Yayınlar Projeler

 

 

SCI’DE YAYINLANAN MAKALELER

 

2020

*

V. Baran,Y. Cat, T. Sertel,T. Ateser, N. Akin Sönmez, M. Cakmak, S. Ozcelik “A Comprehensive Study on a Stand-Alone Germanium (Ge) Solar Cell” Journal of Electronic Materials, vol. 49, no. 2, pp. 1249–1256, Feb. 2020.

*

Benhaliliba, M.; Asar, T.; Ozcelik, S. “Negative capacitance within forward biasing voltage of organic device at higher frequencies” OPTIK   Volume: ‏ 217     Article Number: UNSP 164791   Published: ‏ SEP 2020

*

Bilgili, Ahmet Kursat; ozcelik, Suleyman; Ozturk, Mustafa Kemal “Determination of poisson's ratio using growth temperature variations of InGaN/GaN MQW” Jul 2020, DOI: 10.1007/s10854-020-04055-6

*

Zaretskaya, E. P.; Gremenok, V. F.; Ivanov, V. A.; Stanchik, A. V; Borodavchenko, O. M.;  Zhyhulin, D. V.;  Ozcelik, S.;  Akcay, N. “Phase Composition, Microstructure, and Optical Properties of Cu(2)SnS(3)Thin Films” JOURNAL OF APPLIED SPECTROSCOPY   Volume: ‏ 87   Issue: ‏ 3   Pages: ‏ 488-494   Published: ‏ JUL 2020

*

Akpinar, Omer; Bilgili, Ahmet Kuersat; Ozturk, Mustafa Kemal; Ozcelik, Sueleyman “Electron transport properties of Al0.3Ga0.7 N/GaN high electron mobility transistor (HEMT)” APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING   Volume: ‏ 126   Issue: ‏ 8     Article Number: 623   Published: ‏ JUL 20 2020

*

Akcay, N.; Ataser, T.; Ozen, Y.; Ozcelik S. “Influence of Sulfurization Time on the Properties of Cu2ZnSnS4 Thin Films Deposited on Mo-coated Soda Lime Glass Substrates by Co-sputtering Technique” THIN SOLID FILMS   Volume: ‏ 704     Article Number: 138028   Published: ‏ JUN 30 2020

*

Bilgili, Ahmet Kursat; Akpinar, Omer; Ozturk, Mustafa Kemal; Ozcelik Suleyman and Ozbay Ekmel “XRD vs Raman for InGaN/GaN Structures” JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI   Volume: ‏ 23   Issue: ‏ 2   Pages: ‏ 291-296   Published: ‏ JUN 2020

*

Akpinar, Omer; Bilgili, Ahmet Kursat; Baskose, Umran Ceren; Ozturk, Mustafa Kemal; Ozcelik Suleyman and Ozbay Ekmel “Swanepoel method for AlInN/AlN HEMTs” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   Volume: ‏ 31   Issue: ‏ 13   Pages: ‏ 9969-9973   Published: ‏ JUL 2020

*

Kinaci, Baris; Cetinkaya, Caglar; Cokduygulular, Erman; Efkere, Halil Ibrahim; Sonmez, Nihan Akin; Ozcelik, Suleyman “Negative capacitance phenomena in Au/SrTiO3/p-Si heterojunction structure” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, APR 2020, DOI: 10.1007/s10854-020-03406-7

*

Benhaliliba, M.; Missoum, I; Ozcelik, S.; Asar T. “Optical filter and electrical behavior of innovative Au/ZnPc/Si/Al organic heterojunction” OPTIK   Volume: ‏ 206     Article Number: 163629   Published: ‏ MAR 2020

*

Benhaliliba, M.; Asar, T.; Missoum, I; Ocak, Y. S.; Ozcelik, S.; Benouis, Benouis, C. E.; Arrar, A. “Ac conductivity and impedance spectroscopy study and dielectric response of MgPc/GaAs organic heterojunction for solar energy application” PHYSICA B-CONDENSED MATTER   Volume: ‏ 578     Article Number: 411782   Published: ‏ FEB 1 2020

*

Cetin, Saime Sebnem; Efkere, Halil Ibrahim; Sertel, Tunc; Tataroglu, Adem; Ozcelik, Suleyman “Electrical Properties of MOS Capacitor with TiO2/SiO2 Dielectric Layer” SILICON JAN 2020, DOI: 10.1007/s12633-020-00383-8

*

Beddiaf Zaidi*, Naoual Houaidji, Asma Khadraoui, Souheyla Gagui, Chander Shekhar, Yunus Ozen, Kenza Kamli, Zakaria Hadef, Meltem Donmez, Buse Comert, Suleyman Ozcelik, Baghdadi Chouial, Bouzid Hadjoudja “Structural, Optical and Electrical Properties of ZnxSn1-xS Thin Films Deposited by Chemical Spray Pyrolysis” JOURNAL OF NANO RESEARCH   Volume: ‏ 61   Pages: ‏ 72-77   Published: ‏ 2020

 

Tayran, C., Cakmak M., Srivastava, GP., “Quantum-well states for uniform Ag layers on the Ga-induced Si (111) -(root 3 x root 3)R30 degrees surface”, Surface Science, Volume:701,   Article Number: 121684 (2020).

 

Tayran, C., Cakmak M., Srivastava, GP., “Atomic and electronic structures of Sn covered W(110) surface”, European Physical Journal B, Volume: 93, Article Number: 15 (2020).

 

Tayran, C., Cakmak M., Srivastava, GP., “Adsorption of S on Si(111) with M-4 x 4 superstructure”, Surface Science, Volume: 701, Article Number: 121694 (2020).

 

 

2019

*

Akpinar, O.; Bilgili, A. K.; Ozturk, M. K.; Ozcelik, S. and Ozbay E. “On the elastic properties of INGAN/GAN LED structures APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING   Volume: 125   Issue: 2     Article Number: 112   Published: FEB 2019

*

Sertel, Buse Comert; Sonmez, Nihan Akin; Kaya, Meltem Donmez and Ozcelik, Suleyman “Development of MgO:TiO2 thin films for gas sensor applications” CERAMICS INTERNATIONAL   Volume: 45   Issue: 3   Pages: 2917-2921   Published: FEB 15 2019

*

Akcay, N.; Zaretskaya, E. P.; Ozcelik, S “Development of a CZTS solar cell with CdS buffer layer deposited by RF magnetron sputtering” JOURNAL OF ALLOYS AND COMPOUNDS   Volume: 772   Pages: 782-792   Published: JAN 25 2019

*

Akcay, N; Ozcelik, S; Zaretskaya, E; Juskenas, R “Characteristics of CZTSSe Thin Films Prepared by Selenization of Sputtered Cu, Sn and ZnS Layers” Int. J. of Nanoscience, Volume: 18   Issue: 3-4   Special Issue: SI     Article Number: 1940040 Published: JUN-AUG 2019

*

Ozcelik, S.; Akcay, N.; Tivanov, M. “Fabrication and Properties of Molybdenum Disulfide Films for Electro-Optical Applications”  Int. J. of Nanoscience, Volume: 18   Issue: 3-4   Special Issue: SI     Article Number: 1940037 Published: JUN-AUG 2019

*

 Bilgili, Ahmet Kursat; Akpinar, Omer; Ozturk, Mustafa Kemal; Ozcelik, Suleyman  “A detailed study on optical properties of InGaN/GaN/Al2O3 multi quantum wells” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   Volume: 30   Issue: 11   Pages: 10391-10398  Published: JUN 2019

*

Arslan, E (Arslan, Engin); Ozturk, MK (Ozturk, Mustafa K.); Ozcelik, S (Ozcelik, Sueleyman); Ozbay, E (Ozbay, Ekmel) “Effects of the AlN nucleation layer thickness on the crystal structures of an AlN epilayer grown on the 6H-SiC substrate” PHILOSOPHICAL MAGAZINE DOI: 10.1080/14786435.2019.1600757

*

Kars Durukan, Ilknur; Ozturk, Mustafa Kemal; Ozcelik, Suleyman and Ozbay, Ekmel “Crystal Size and Stress Account in Reciprocal Space Map” JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI   Volume: 22   Issue: 1   Pages: 1-9   Published: MAR 2019

*

 Bilgili, AK (Bilgili, A. Kursat) ; Akpinar, O (Akpinar, Omer); Kurtulus, G (Kurtulus, Gurkan); Ozturk, MK (Ozturk, M. Kemal); Ozcelik, S (Ozcelik, Suleyman); Ozbay, E (Ozbay, Ekmel) “Lattice Parameters a-, c-, Strain-Stress Analysis and Thermal Expansion Coefficient of InGaN/GaN Solar Cell Structures Grown by MOCVD” JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI Volume: 22  Issue: 1  Pages: 33-39, Published: MAR 2019

*

Sonmez, Nihan Akm; Donmez, Meltem; Comert, Buse; Asar, Tarik; Kinaci, Baris and Ozcelik Suleyman “The effects of annealing temperature on RF-coated GZO thin films on n-Si and PET substrates” JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY   Volume: 34   Issue: 4; Pages: 1757-1763   Published: 2019

*

Bilgili, A. Kursat; Akpinar, Omer; Ozturk, M. Kemal; Ozcelik, Suleyman and Ozbay, Ekmel “Investigation of structural, optical and morphological properties of InGaN/GaN structure” APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING   Volume: 125   Issue:1; Article Number: 36   Published: JAN 2019

*

Sertel, Tunc; Sonmez, Nihan Akin; Cetin, S. Sebnem; Ozcelik, Suleyman “Influences of annealing temperature on anti-reflective performance of amorphous Ta2O5 thin films” CERAMICS INTERNATIONAL   Volume: 45   Issue: 1   Pages: 11-18   Published: JAN 2019

*

Tayran, C., Cakmak M., “Electronic structure, phonon and superconductivity for WP 5d-transition metal”, Journal of Applied Physics, Volume: 126, Article Number: 175103 (2019).

*

Tayran, C., Cakmak M., “Electronic structure of the Pd2Sn surface alloy on Pd(111)-(root 3 x root 3)R30 degrees”, European Physical Journal B, Volume: 92, Article Number: 240 (2019).

*

Tayran, C., Alkan B., Cakmak M., “Tl on the Si(111)-(root 7 x root 3) surface: Density Functional Theory”, Philosophical Magazine, Volume:  99, Pages: 1656-1668 (2019).

 

 

2018

*

Yunus Çat, Veysel Baran, Gönenç Afacan, M. Burak Coşar, Süleyman Özçelik “Investigation of Electromagnetic Interference Shielding Effectiveness of CZ Grown Ge Optical Windows” 53-8 (2018) 1800069

*

Yunus Ozen, Tunc Sertel, S. Sebnem Cetin and  Suleyman Ozcelik “Characterization of Double-Junction GaAsP Two-Color LED Structure” J. Electronic Materials 47-12 (2018) 7129–7133

*

Tarık Asar, Veysel Baran, Gürkan Kurtuluş, Meltem Dönmez and SüleymanÖzçelik “Platinum doping effect on In2O3 MSM IR photodetectors” Superlattices and Microstructures” 122 (2018) 650-660

*

Tarık Asar,  Burak Korkmaz,  H. İbrahim Efkere,  Nihan Akın,  Süleyman Özçelik  “Investigation of the Structural, Morphological, Optical and Electrical Properties of In2O3 Thin Films: Gas Sensor Applications” 21-2 Politeknik (2018) 265-271

*

Tugce Ataser, Nihan Akin Sonmez, Yunus Ozen, Veysel Ozdemir, Orhan Zeybek, Suleyman Ozcelik “Developing of dual junction GaInP/GaAs solar cell devices: effects of different metal contacts”  Opt. Quant. Electron. (2018) 50: 277

*

A. Kursat Bilgili, Ömer Akpinar, Gürkan Kurtulus, M. Kemal Ozturk, Süleyman Ozcelik, Ekmel Ozbay “Structural properties of InGaN/GaN/Al2O3 structure from reciprocal space mapping” J Mater Sci: Mater Electron (2018) 29-14: 12373-12380

*

Nihan Akin SonmezMeltem DonmezBuse ComertSuleyman Ozcelik "Ag/M‐seed/AZO/glass structures for low‐E glass: Effects of metal seeds” Applied Glass Sci. 9-3 (2018) 383-391.

*

N.Akcay,  N.Akin Sonmez, E.P.Zaretskaya, S.Ozcelik “Influence of deposition pressure and power on characteristics of RF-Sputtered Mo films and investigation of sodium diffusion in the films” Current Applied Physics 18-5 (2018) 491-499.

*

Durukan, I. Kars;  Akpinar, O.;  Avar, C.;  Gultekin, A.;  Ozturk, M. K.;  Ozcelik, S.;  Ozbay, E. “Analyzing the AlGaN/AlN/GaN Heterostructures for HEMT Applications” JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS  13-3 (2018) 331-334.

*

Zellag, S., Dehimi, L., Asar, T.,  A. Saadoune,  A. Fritah, S. Özçelik “Effects of the TiO2 high-k insulator material on the electrical characteristics of GaAs based Schottky barrier diodes”  Appl. Phys. A (2018) 124: 84.

*

T. Sertel, Y. Ozen, S.S. Cetin, M.K. Ozturk, S. Ozcelik, “Structural, optical and electrical characterization of dilute nitride GaP1-x-yAsyNx structures grown on Si and GaP substrates”, Journal of Materials Science: Materials in Electronics, DOI: 10.1007/s10854-017-8104-y

*

Zeybek, O; Ayaz, A.;  Ozturk, M. K.;  Davarpanah, A. M.;  Barrett, S. D.;  Bayirli, M.;  Ozcelik, S. “Fractal size, occupied fraction study with annealing of heterostructure based AlxGa1-xN” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 29-3 (2018) 2040-2044.

*

Tayran, C., Cakmak M., “Co on the H-passivated Si(001) surface: Density-functional calculations”, Physica B-Condensed Matter, Volume: 542, Pages: 44-50 (2018).

 

 

2017

*

T. Sertel, Y. Ozen, A. Tataroglu, T. Asar, S.S. Cetin, S. Ozcelik,  “Electrical Properties of Dilute Nitride GaAsPN/GaPN MQW p–i–n Diode”, Journal of Electronic Materials, 46(7), 4590-4595 (2017).

*

N. Akin, B. Kinaci, Y. Ozen, S. Ozcelik, “Influence of RF power on the opto-electrical and structural properties of gallium-doped zinc oxide thin films”, Journal of Materials Science-Materials in Electronics, 28(10), 7376-7384 (2017).

*

E. Arslan, M.K. Ozturk, E. Tiras, T. Tiras, S. Ozcelik, E. Ozbay, “Buffer effects on the mosaic structure of the HR-GaN grown on 6H-SiC substrate by MOCVD”, Journal of Materials Science-Materials in Electronics, 28(4), 3200-3209 (2017).

*

I.K. Durukan, M.K. Ozturk, S. Corekci, M. Tamer, Y. Bas, S. Ozcelik, E. Ozbay, “Microstructural Analysis with Graded and Non-Graded Indium in InGaN Solar Cell”,  Journal of Nanoelectronics and Optoelectronics, 12(2),109-117 (2017).

*

S. Dehimi, L. Dehimi, T. Asar, B. Mebarki, S. Ozcelik, “Modeling and simulation of ZnxCd1-xTe/ZnTe quantum well structure for laser applications”, OPTIK, 135, 153-159 (2017).

*

N. Akcay, N. Akin, B. Comert, S. Ozcelik, “Temperature effects on the structural, optical, electrical and morphological properties of the RF-sputtered Mo thin films”, Mater Sci: Mater Electron,  28(1),  399-406 (2017).

*

Said Dehimi, Lakhdar Dehimi, Tarık Asar, Süleyman Özçelik, “Modelling of a Cd1-xZnxTe/ZnTe Single Quantum Well for Laser Diodes”, Journal of Electronic Materials, 46(2), 775-781 (2017).

Erratrum: S. Dehimi, L. Dehimi, T. Asar, S. Ozcelik, “Modelling of a Cd1-xZnxTe/ZnTe Single Quantum Well for Laser Diodes (vol 46, pg 775, 2017)”, Journal of Electronic Materials, 46(11), 6736-6736 (2017).

*

E. Boyali, V. Baran, T. Asar, S. Ozcelik, M. Kasap, “Temperature dependent electron transport properties of degenerate SnO2 thin films”,  Journal of Alloys and Compounds, 692, 119-123 (2017).

*

H. Altuntas, S. Ozcelik, “Electrical conduction mechanisms in plasma-enhanced chemical vapor deposited SiO2 dielectric films”, Gazi University Journal of Science, 30(3), 281-287 (2017).

*

 

2016

 

*

T. Ataşer, N. Akın, O. Zeybek, S. Özçelik, “Effects of band gap alignment and temperature on device performance of GaInP/Ga(In)As monolithic tandem solar cells”, Journal of Optoelectronics and Advanced Materials, Vol. 18, No.9-10, 785–792 (2016).

 

*

B. Cömert, N. Akın, M. Dönmez, S. Sağlam, S. Özçelik, ‘‘Titanium dioxide thin films as methane gas sensors’’, IEEE Sensors Journal, 16(24), 8890-8896 (2016).

 

*

Y. Azizian-Kalandaragh, S. Ozcelik, “Optical characterization of semiconductor CdS nanoparticles formed in polymer matrix”, Optoelectronics and Advanced Materials-Rapid Communications, 10(7-8) 537-540 (2016).

 

*

S. Corekci, S. Dugan, M.K. Ozturk, S.S. Cetin, M. Cakmak, S. Ozcelik, E. Ozbay, “Characterization of AlInN/AlN/GaN Heterostructures with Different AlN Buffer Thickness”, Journal of Electronic Materials, 45(7), 3278-3284 (2016).

 

*

T. Asar, B. Korkmaz, S. Ozcelik, “Effect of platinum doping on the structural and electrical properties of SnO2 thin films”, Journal of Experimental Nanoscience, 11(16), 1285-1306 (2016).

 

*

M. Tamer, M.K. Ozturk, S. Corekci, Y. Bas, A. Gultekin, G. Kurtulus, S. Ozcelik, E. Ozbay, “Structural investigation of AlInN/AlN/GaN heterostructures, Journal of Materials Science-Materials İn Electronics, 27(3), 2852-2859 (2016).

 

 

2015

*

T. Asar, S. Ozcelik, “Barrier enhancement of Ge MSM IR photodetector with Ge layer optimization”, Superlattices And Microstructures,   88, 685-694 (2015).

*

Y.S. Asar, T. Asar, S. Altindal, S. Ozcelik, “Dielectric spectroscopy studies and ac electrical conductivity on (AuZn)/TiO2/p-GaAs(110) MIS structures”, Philosophical Magazine, 95(26), 2885-2898 (2015). 

*

T. Asar, U.C.  Baskose, K. Kizilkaya, H.I.  Efkere, S. Ozcelik, “Efficiency improvement of quantum well solar cell with the AuGeNi metallization and Si3N4 ARC design”, Philosophical Magazine, 95(34), 3809-3822 (2015).

*

A. Ceylan, A.E. Gumrukcu, N. Akin, S. Ozcan, S. Ozcelik, “Formation of ST12 phase Ge nanoparticles in ZnO thin films”, Materials Science in Semiconductor Processing, 40, 407-411 (2015).

*

I.K. Durukan, O. Bayal, G. Kurtulus, Y. Bas, A. Gultekin, M.K. Ozturk, S. Corekci, M. Tamer, S. Ozcelik, E. Ozbay, “Examination of the temperature related structural defects of InGaN/GaN solar cells”, Superlattices and Microstructures, 86, 379-389 (2015).

*

P. Pashaei, N. Akin, U.C. Baskose, M.K. Ozturk, M. Cakmak, S. Ozcelik, “Influence of substrate temperature on structural and optical properties of RF sputtered ZnMnO thin films ”, Semiconductors,  49(6), 780-784 (2015).

*

N. Akin, U.C. Baskose, B. Kinaci, M. Cakmak, S. Ozcelik, “AZO thin film-based UV sensors: effects of RF power on the films”, Applied Physics A-Materials Science & Processing,  119(3), 965-970 (2015).

*

Y. Ozen, N. Akin, B. Kinaci, S. Ozcelik, “Performance evaluation of a GaInP/GaAs solar cell structure with the integration of AlGaAs tunnel junction”, Solar Energy Materıals and Solar Cells, 137, 1-5 (2015).

*

Yasemin Şafak-Asar, Tarık Asar, Şemsettin Altındal, Süleyman Özçelik, "Investigation of dielectric relaxation and ac electrical conductivity using impedance spectroscopy method in (AuZn)/TiO2/p-GaAs(1 1 0) schottky barrier diodes", Journal of Alloys and Compounds, Volume 628, 442–449 (2015).

*

N. Akin, Y. Ozen, H.I. Efkere, M. Cakmak, S. Ozcelik, "Surface structure and photoluminescence properties of AZO thin films on polymer substrates",  Surf. Interface Anal., 47(1), 93-98 (2015).

*

G. Atmaca, P. Narin, S.B. Lisesivdin, M. Kasap, B. Sarikavak-Lisesivdin, "Electron Transport Properties of Two-Dimensional Electron Gas in BexZn1-xO/ZnO Heterostructures", Philosophical Magazine, 95 (1), 79-89 (2015).

*

A. Kaya, O. Sevgili, S. Altindal, M.K. Ozturk, " Current-conduction mechanism in Au/n-4H-SiC Schottky barrier diodes", INDIAN JOURNAL OF PURE & APPLIED PHYSICS, 53(1), 56-65  (2015).

*

H. Aydin, A. Tataroglu, A.A. Al-Ghamdi, F. Yakuphanoglu, F. El-Tantawy, W.A. Farooq, " A novel type heterojunction photodiodes formed junctions of Au/LiZnSnO and LiZnSnO/p-Si in series", JOURNAL OF ALLOYS AND COMPOUNDS, 625, 18-25 (2015).

*

F. Yakuphanoglu, A. Tataroglu, A.A. Al-Ghamdi, R.K. Gupta, Y. Al-Turki, Z. Serbetci, S. Bin Omran, F. El-Tantawy, " Ferroelectric Bi3.25La0.75Ti3O12 photodiode for solar cell applications", SOLAR ENERGY MATERIALS AND SOLAR CELLS,  133, 69-75  (2015).  

 

 

2014

*

A. Ilgaz, S. Gokden, R. Tulek, A. Teke, S. Ozcelik, E. Ozbay, "Temperature dependent hot electron transport in slightly lattice mismatched AlInN/AlN/GaN heterostructures", J. Optoelectron. Adv. M., 16(9-10), 1008-1014 (2014).

*

I.K. Durukan, S. Caliskan, S. Cete, B.S. Cevrimli, B. Kinaci, Y. Ozen, S. Corekci, M.K. Ozturk, T. Memmedli, S. Ozcelik, "Preparation of RF sputtered AZO/Au thin film hydrogen peroxide sensitive electrode for utilization as a biosensor", J. Mater. Sci-Mater. El., 25(7), 3154-3159 (2014).

*

T. Asar, S. Ozcelik, E. Ozbay, "Structural and electrical characterizations of InxGa1-xAs/InP structures for infrared photodetector applications", J. Appl. Phys.,  115(10),  104502  (2014). 

*

M.K. Ozturk, S. Corekci, M. Tamer, S.S. Cetin, S. Ozcelik, E. Ozbay, "Microstructural properties of InGaN/GaN light-emitting diode structures with different In content grown by MOCVD", Appl. Phys. A, 114(4), 1215-1221 (2014).

*

S. Ozkaya, M. Cakmak, B. Alkan, "Ab initio study of Tl on Si(111)-(3x1) surface",  Physica Status Solidi B-Basic Solid State Physics, 251(8), 1570-1573 (2014).

*

S. Ozkaya, D. Usanmaz, M. Cakmak, B. Alkan, S. Ellialtioglu, "Theoretical investigation of charge accumulation layer on the Bi-induced InAs(111)-(2 x 2) surface ", Journal Of Applied Physics, 115(16), 163702  (2014).   

*

E. Arslan, P.Demirel, H. Cakmak, M.K. Ozturk, E. Ozbay, " Mosaic Structure Characterization of the AlInN Layer Grown on Sapphire Substrate",  ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, 980639  (2014).  

*

A. Tataroglu, M. Yildirim, H.M. Baran, " Dielectric characteristics of gamma irradiated Au/SnO2/n-Si/Au (MOS) capacitor", MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 28, 89-93 (2014). 

*

R. Ertugrul, A. Tataroglu, " Effects of gamma irradiation on electrical parameters of metal-insulator-semiconductor structure with silicon nitride interfacial insulator layer", RADIATION EFFECTS AND DEFECTS IN SOLIDS,  169(9), 791-799 (2014).  

*

A. Tataroglu, A.A. Al-Ghamdi, S.  Bin Omran, W.A. Farooq, F. El-Tantawy, F. Yakuphanoglu, F " Electrical and photoconducting properties of nanorod in based spinel compound/p-Si photodiode by sol-gel spin coating technique", JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 71(3), 421-427 (2014).  

*

A. Buyukbas, A. Tataroglu, M. Balbasi, " Analysis of Electrical Characteristics of Metal-Oxide-Semiconductor Capacitor by Impedance Spectroscopy", Journal of Nanoelectronics and Optoelectronics,  9(4),  515-519 (2014).  

*

A. Tataroglu, H. Aydin, A.A. Al-Ghamdi, F. El-Tantawy, W.A. Farooq, F. Yakuphanoglu, " Photoconducting properties of Cd0.4ZnO0.6/p-Si photodiode by sol gel method", JOURNAL OF ELECTROCERAMICS,  32(49),  369-375 (2014).  

*

A. Tataroglu, A.A. Hendi, R.H.  Alorainy, F.Yakuphanoglu, "A new aluminum iron oxide Schottky photodiode designed via sol-gel coating method", CHINESE PHYSICS B,  2385), 057504 (2014).  

 

 

2013

*

H. Altuntas, S. Ozcelik, "The analysis of leakage current in MIS Au/SiO2/n-GaAs at room temperature", Semiconductors,  47(10), 1308-1311 (2013).

*

N. Akin, S.S. Cetin, M. Cakmak, T. Memmedli, S. Ozcelik, "Effect of film thickness on properties of aluminum doped zinc oxide thin films deposition on polymer substrate", J. Mater. Sci-Mater. El., 24(12), 5091-5096 (2013).

*

H. Altuntas, S. Ozcelik, "The interface states and series resistance analyzing of Au/SiO2/n-GaAs at high temperatures", J. Alloy. Compd., 577, 143-147 (2013).

*

E. Arslan, M.K. Ozturk, H. Cakmak, P. Demirel, S. Ozcelik, E. Ozbay, " Evolution of the mosaic structure in InGaN layer grown on a thick GaN template and sapphire substrate", J. Mater. Sci.-Mater. El.,  24(11), 4471-4481 (2013).  

*

B. Kinaci, Y. Ozen, T. Asar, S.S. Cetin, T. Memmedli, M. Kasap, S. Ozcelik, “Study on growth and characterizations of GaxIn1-xP/GaAs solar cell structure”, J. Mater. Sci-Mater. El.,  24 (9), 3269-3274 (2013).

*

S. Corekci, M.K. Ozturk, H.B. Yu, M. Cakmak, S. Ozcelik, E. Ozbay, “Effects of high-temperature AIN buffer on the microstructure of AlGaN/GaN HEMTs”, Semiconductors, 47(6), 820-824 (2013).

*

B. Kinaci, B Y. Ozen, K.Kizilkaya, T. Asar, S.S. Cetin, E. Boyali, M.K. Ozturk, T. Memmedli, S. Ozcelik, “Effect of alloy composition on structural, optical and morphological properties and electrical characteristics of GaxIn1-xP/GaAs structure”, J. Mater. Sci-Mater. El., 24(4), 1375-1381 (2013).

*

Kinaci, S. Ozcelik, “Analysis of the Temperature Dependence of the Capacitance-Voltage and Conductance-Voltage Characteristics of Au/TiO2(rutile)/n-Si Structures”, J. Electron. Mater., 42(6), 1108-1113 (2013).

*

M.K. Ozturk, E. Arslan, I. Kars, S. Ozcelik, E. Ozbay “Strain analysis of the GaN epitaxial layers grown on nitridated Si(111) substrate by metal organic chemical vapor deposition”, Mat. Sci. Semicon. Proc., 16(1), 83-88 (2013).

*

I.K. Durukan, Y. Ozen, K. Kizilkaya, M.K. Ozturk, T. Memmedli, S. Ozcelik, “Effects of annealing and deposition temperature on the structural and optical properties of AZO thin films”, J. Mater. Sci.-Mater. El., 24(1),  142-147 (2013).

*

M. Evecen, M. Cakmak, "First principles studies of hydrogen sulfide adsorption and dissociation on NiAl(110)-(2x2)", Journal Of Optoelectronics And Advanced Materials,  15(9-10), 1064-1069 (2013).  

*

I. Uslu, A. Aytimur, S. Kocyigit, F. Ozcan, M.K. Ozturk, U. Colak, " Synthesis and characterization of erbia and ceria doped calcia stabilized nanocrystalline zirconia based ceramics", JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 65(2),112-120  (2013).  

*

L. Kubus, H. Erdogan, S.S. Cetin, E. Biskin, G. Demirel, "Plasmon-Enhanced Photocatalysis on Anisotropic Gold Nanorod Arrays", CHEMCATCHEM,  5 (10),  2973-2977  (2013).

*

T. Ataseven, A.Tataroglu, " Temperature-dependent dielectric properties of Au/Si3N4/n-Si (metal-insulator-semiconductor) structures", CHINESE PHYSICS B, 22(11), 117310  (2013).  

*

A. Tataroglu, F.Z. Pur, " The Richardson constant and barrier inhomogeneity at Au/Si3N4/n-Si (MIS) Schottky diodes", PHYSICA SCRIPTA, 88(1),  015801  (2013).  

*

A. Tataroglu, "Comparative study of the electrical properties of Au/n-Si (MS) and Au/Si3N4/n-Si (MIS) Schottky diodes, CHINESE PHYSICS B,  22(6), 068402  (2013). 

*

H.M. Baran, A. Tataroglu, "Determination of interface states and their time constant for Au/SnO2/n-Si (MOS) capacitors using admittance measurements", CHINESE PHYSICS B,  22(4), 047303  (2013).  

 

 

2012

*

S.Ş. Çetin, M.K. Öztürk, S. Özçelik, E. Özbay, “Strain/stress study of InGaN/GaN multi quantum well LED structures by high resolution X-ray diffraction”, Cryst. Res. Technol., 47 (8), 824-833 (2012).

*

T. Ataseven, A. Tataroglu,  T. Memmedli ,S. Ozcelik, “Influence of frequency on electrical and dielectric properties of Au/Si3N4/n-Si (MIS) structures”, J. Optoelectron. Adv. M.,  14(7-8),  640-645  (2012). 

*

O. Kelekci, P.Tasli, S.S. Cetin, M.Kasap, S.Ozcelik, E. Ozbay, “Investigation of AlInN HEMT structures with different AlGaN buffer layers grown on sapphire substrates by MOCVD”, Curr. Appl. Phys., 12, 1600-1605 (2012).

*

Barış Kınacı, S. Şebnem Çetin, Aylin Bengi, Süleyman Özçelik, “The temperature dependent analysis of Au/TiO2 (rutile)/n-Si (MIS) SBDs using current-voltage-temperature (I-V-T) characteristics”, Mat. Sci. Semicon. Proc., 15 (5), 531-535 (2012).

*

S.S. Cetin, I. Uslu, A. Aytimur, S. Ozcelik, “Characterization of Mg doped ZnO nanocrystallites prepared via electrospinning”, Ceram. Int., 38(5) 4201-4208 (2012).

*

O. Kelekci, P.T. Tasli, H.B. Yu, M. Kasap, S. Ozcelik, E. Ozbay, “Electron transport properties in Al0.25Ga0.75N/AlN/GaN heterostructures with different InGaN back barrier layers and GaN channel thicknesses grown by MOCVD”, Phys. Status Solidi A, 209 (3), 434-438 (2012).

*

M. Isik, S.S. Cetin, N.M. Gasanly, S. Ozcelik, “Optical constants of layered structured Ga0.75In0.25Se crystals from the ellipsometric measurements”, Solid State Commun., 152 (9), 791-793 (2012).

*

S. Corekci, K. Kizilkaya, T. Asar, M.K. Ozturk, M. Cakmak, S. Ozcelik, “Effects of Thermal Annealing and Film Thickness on the Structural and Morphological Properties of Titanium Dioxide Films”, Acta Phys. Pol. A, 121(1), 247-248 (2011).

*

S. Corekci, M.K. Ozturk, M. Cakmak, S. Ozcelik, E. Ozbay, , “The influence of thickness and ammonia flow rate on the properties of AlN layers”, Mat. Sci. Semicon. Proc., 15(1), 32-36 (2012).

*

M. Gokcen, H. Altuntas, S. Altindal, S. Ozcelik, “Frequency and voltage dependence of negative capacitance in Au/SiO2/n-GaAs structures”, Mat. Sci. Semicon. Proc., 15(1), 41-46 (2012).

*

C. Kaderoglu, B. Alkan, M. Cakmak, "Passivation effect of allylamine molecule on the electronic structure of a Si(001)-(2x1) surface", Surface Science,  606(3-4), 470-474 (2012).  

*

S. Fiat, Z. Merdan, T. Memmedli, " Current-conduction mechanisms in Au/n-CdTe Schottky solar cells in the wide temperature range ", PHYSICA B-CONDENSED MATTER, 407(13), 2560-2565  (2012). 

*

D. Korucu, T.S. Mammadov, " Temperature-dependent current-conduction mechanisms in Au/n-InP Schottky barrier diodes (SBDs) ", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  14(1-2), 41-48  (2012).

*

M. Yuksek, H. ErtapA. Elmali, H.G. Yaglioglu, G.M. Mamedov, M. Karabulut, M.K. Ozturk, "Two photon absorption characteristics of bulk GaTe crystal ", OPTICS AND LASER TECHNOLOGY,  44(7), 2178-2181  (2012).  

*

I. Uslu, A. Aytimur, M.K. Ozturk, S. Kocyigit, " Synthesis and characterization of neodymium doped ceria nanocrystalline ceramic structures ", CERAMICS INTERNATIONAL,  38(6), 4943-4951  (2012).  

*

I. Uslu, T. Tunc, M.K. Ozturk, A. Aytimur, "Synthesis and Characterization of Boron-Doped Hafnia Electrospun Nanofibers and Nanocrystalline Ceramics", POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING,   51(3), 257-262  (2012). 

*

B. Kinaci, T. Asar, S.S. Cetin, Y. Ozen, K. Kizilkaya, "Electrical characterization of Au/ZnO/TiO2/n-Si and (Ni/Au)/ZnO/TiO2/n-Si Schottky diodes by using current-voltage measurements", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  14(11-12), 959-963  (2012).  

*

I. Uslu, S.S. Cetin, A. Aytimur, S. Yuceyurt, M.O. Erdal, " Synthesis and Properties of Boron Doped NaxCo2O4 Nanocrystalline Ceramics ", JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS,  22(4), 766-771  (2012).  

*

F.Z. Pur, A. Tataroglu, "Analysis of the series resistance and interface states of Au/Si3N4/n-Si (metal-insulator-semiconductor) Schottky diodes using I-V characteristics in a wide temperature range", PHYSICA SCRIPT A , 86(3), 035802  (2012).  

*

R. Ertugrul, A.Tataroglu, " Influence of Temperature and Frequency on Dielectric Permittivity and ac Conductivity of Au/SnO2/n-Si (MOS) Structures", CHINESE PHYSICS LETTERS,  29(7),  077304  (2012).  

*

H.M. Baran, A. Tataroglu, R. Ertugrul, " Investigation of the effects of gamma-ray irradiation on electrical characteristics of MOS capacitors", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  14(3-4), 304-308 (2012). 

*

I. Kaya, A. Tataroglu, " Analysis of current-voltage characteristics of Au/n-GaAs (MS) Schottky diodes", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  14(1-2), 49-54  (2012).  

 

2011

*

M.K. Ozturk, H. Altuntas, S. Corekci, Y. Hongbo, S. Ozcelik, E. Ozbay, “Strain-Stress Analysis of AlGaN/GaN Heterostructures With and Without an AlN Buffer and Interlayer”, Strain, 47, 19-27 (2011).

*

S. Demirezen, S. Altindal, S. Ozcelik, E. Ozbay, “On the profile of frequency and voltage dependent interface states and series resistance in (Ni/Au)/Al(0.22)Ga(0.78)N/AlN/GaN heterostructures by using current-voltage (I-V) and admittance spectroscopy methods”, Microelectron. Reliab., 51(12), 2153-2162 (2011).

*

S.S. Cetin, S. Corekci, M. Cakmak, S. Ozcelik, “Structural investigation and electronic band transitions of nanostructured TiO2 thin films”, Cryst. Res. Technol., 46 (11), 1207-1214 (2011).

*

H. Altuntas, S. Altindal, S. Corekci, M.K. Ozturk, S. Ozcelik, “Electrical characteristics of Au/n-GaAs structures with thin and thick SiO(2) dielectric layer”, Semiconductors, 45 (10), 1286-1290 (2011).

*

B. Kinaci, A. Bengi, T. Mammadov, S. Ozcelik, “The structural and optical properties of InGaAs/GaAs MQW”, J. Optoelectron. Adv. M., 13(5-6): 505-508 (2011).

*

A. Ilgaz, S. Gokden, R. Tulek, A. Teke, S. Ozcelik, E. Ozbay, “Energy relaxations of hot electrons in AlGaN/AlN/GaN heterostructures grown by MOCVD on sapphire and 6H-SiC substrates”, Eur. Phys. J.-Appl. Phys., 55 (3): 30102 (2011).

*

M. Bosi, G. Attolini, C. Ferrari, C. Frigeri, M. Calicchio, E. Gombia, T. Asar, E. Boyali, U. Aydemir, S. Ozcelik, M. Kasap, “Epitaxial growth and electrical characterization of germanium”, Cryst. Res. Technol., 46 (8): 813-817 (2011).

*

S. Sebnem Cetin, Cristina-Mihaela Băleanu, Raoul R. Nigmatullin, Dumitru Băleanu, Suleyman Ozcelik, “Chemical Bonding Structure of TiO2 Thin Films Grown on n-type Si”, Thin Solid Films, 519, 5712-5719 (2011).

*

A. Bengi, S.J. Jang, C.I. Yeo, T. Mammadov, S. Ozcelik, Y.T. Lee, “Au and non-Au based rare earth metal-silicide ohmic contacts to p-InGaAs”, Solid State Electron., 61 (1): 29-32 (2011).

*

B. Kinaci, T. Asar, Y. Ozen, S. Ozcelik, “The analysis of Au/TiO2/n-Si Schottky barrier diode at high temperatures using I-V characteristics”, Optoelectron. Adv. Mat., 5 (3-4): 434-43, (2011).

*

A. Yildiz, P. Tasli, B. Sarikavak, S.B. Lisesivdin, M.K. Ozturk, M. Kasap, S. Ozcelik, E. Ozbay, “Grain Boundary Related Electrical Transport in Al-rich AlxGa1-xN Layers Grown by Metal-Organic Chemical Vapor Deposition”, Semiconductors, 45 (1): 33-36 (2011).

*

O. Kelekci, S.B. Lisesivdin, S. Ozcelik, E. Ozbay, “Numerical optimization of In-mole fractions and layer thicknesses in AlxGa1-xN/AlN/GaN high electron mobility transistors with InGaN back barriers”, Physica B, 406 (8): 1513-1518 (2011).

*

C.M. Baleanu, R.R. Nigmatullin, S.S. Cetin, D. Baleanu, S. Ozcelik, “New method and treatment technique applied to interband transition in GaAs1-xPx ternary alloys”, Cent. Eur. J. Phys., 9 (3): 729-739 (2011).

*

Z. Tekeli, M. Gokcen, S. Altindal, S. Ozcelik, E. Ozbay, “On the profile of frequency dependent dielectric properties of (Ni/Au)/GaN/Al0.3Ga0.7N heterostructures”, Microelectron. Reliab., 51 (3): 581-586 (2011).

*

I. Tascioglu, U. Aydemir, S. Altindal, B. Kinaci, S. Ozcelik, “Analysis of the forward and reverse bias I-V characteristics on Au/PVA: Zn/n-Si Schottky barrier diodes in the wide temperature range”, J. Appl. Phys., 109 (5): 054502 (2011).

*

S. Corekci, M.K. Ozturk, A. Bengi, M. Cakmak, S. Ozcelik, E. Ozbay, “Characterization of an AlN buffer layer and a thick-GaN layer grown on sapphire substrate by MOCVD”, J. Mater. Sci., 46 (6): 1606-1612 (2011).

*

A. Bengi, H. Uslu, T. Asar, S. Altindal, S.S. Cetin, T.S. Mammadov, S. Ozcelik, “Temperature dependent admittance spectroscopy of GaAs/AlGaAs single-quantum-well laser diodes (SQWLDs)”, J. Alloy. Compd.,  509 (6): 2897-2902 (2011).

*

Z. Aydugan, C. Kaderoglu, B. Alkan, M. Cakmak, "Atomic and electronic properties of P/Si(111)-(2x1) surface", European Physical Journal-Applied Physics,  56(3), 31302  (2011).

*

S. Ozkaya, M. Cakmak, B. Alkan, "Adsorption of Sn on the Ge(111)-(3 x 3) surface studied by ab initio density functional theory ", Physica Status Solidi B-Basic Solid State Physics, 248(9), 2142-2146 (2011).  

*

G.B. Demirel, M. Cakmak, T. Caykara, " Understanding 4-bromostyrene Adsorption on the Si(001)-(1 x 2) surface: A density functional theory study", Surface Science,  605(11-12), 1056-1061 (2011).  

*

C. Tayran, M. Cakmak, S. Elliatioglu, "Electronic and structural properties of armchair SWCNT/TiO2(110)-(1 x 2) system", Surface Science, 605(5-6),  593-596  (2011).

*

G.B. Demirel, N. Dilsiz, M.A. Ergun, M. Cakmak, T. Caykara, "Photocontrollable DNA hybridization on reversibly photoresponsive surfaces", Journal Of Materials Chemistry,  21(28), 10415-10420 (2011).

*

G.B. Demirel, N. Dilsiz, M. Cakmak, T. Caykara, "Molecular design of photoswitchable surfaces with controllable wettability", Journal Of Materials Chemistry,  21(9), 3189-3196 (2011).  

*

H. Kanbur, S. Altindal, T. Mammadov, Y. Safak, " Effects of illumination on I-V, C-V and G/w-V characteristics of Au/n-CdTe Schottky barrier diodes", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  13(5-6), 713-718 (2011).

*

H. Uslu, S. Altindal, T. Tunc, I. Uslu, T.S. Mammadov, "The Illumination Intensity and Applied Bias Voltage on Dielectric Properties of Au/Polyvinyl Alcohol (Co, Zn-Doped)/n-Si Schottky Barrier Diodes", JOURNAL OF APPLIED POLYMER SCIENCE, 120(1), 322-328  (2011). 

*

A. Tataroglu, "Frequency and voltage dependence of the electrical and dielectric properties of Au/n-Si Schottky diodes with SiO2 insulator layer", JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS,  13(7-8), 940-945 (2011).  

*

A. Tataroglu, T. Ataseven, S. Sezgin, F.Z. Pur, "Gamma-ray irradiation effects on dielectric properties of Au/SiO2/n-Si (MIS) structures", OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 5(3-4), 443-447  (2011).

*

S. Aydin, M. Şimşek, “First-principles calculations of elemental crystalline boron phases under high pressure: Orthorhombic B-28 and tetragonal B-48”, JOURNAL OF ALLOYS AND COMPOUNDS, 509, 5219-5229 (2011)  

 

2010

*

A. Bengi, S.B. Lisesivdin, M. Kasap, T. Mammadov, S. Ozcelik, E. Ozbay, “Analysis of defect related optical transitions in biased AlGaN/GaN heterostructures”, Mat. Sci. Semicon. Proc., 13 (2): 105-108 (2010).

*

S. Demirezen, S. Altndal, S. Ozcelik, E. Ozbay, “On the interface states and series resistance profiles of (Ni/Au)-Al0.22Ga0.78N/AlN/GaN heterostructures before and after 60Co (gamma-ray) irradiation”, Radiat. Eff. Defect. S., 165 (12): 920-929 (2010).

*

H.B. Yu, S.B. Lisesivdin, B. Bolukbas, O. Kelekci, M.K. Ozturk, S. Ozcelik, D. Caliskan, M. Ozturk, H. Cakmak, P. Demirel, E. Ozbay, “Improvement of breakdown characteristics in AlGaN/GaN/AlxGa1-xN HEMT based on a grading AlxGa1-xN buffer layer”, Phys. Status Solidi A, 207 (11): 2593-2596 (2010).

*

H. Uslu, A. Bengi, S.S. Cetin, U. Aydemir, S.Altindal, S.T. Aghaliyeva, S. Ozcelik, “Temperature and voltage dependent current-transport mechanisms in GaAs/AlGaAs single-quantum-well lasers”, J. Alloy. Compd., 507 (1): 190-195 (2010).

*

A. Bengi, U. Aydemir, S. Altindal, Y. Ozen, S. Ozcelik, “A comparative study on the electrical characteristics of Au/n-Si structures with anatase and rutile phase TiO2 interfacial insulator layer”, J. Alloy. Compd., 505 (2): 628-633 (2010).

*

A. Bengi, S. J. Jang, C. I. Yeo, T. Mammadov, S. Ozcelik, Y. T. Lee, “A comparative study on ridge waveguide laser diodes with SiO2 and SiNx passivation layers”, Surf. Interface Anal., 42 (6-7): 963-965 (2010).

*

I. Kars, S. S. Cetin, B. Kinaci, B. Sarikavak, A. Bengi, H. Altuntas, M. K. Ozturk, S.Ozcelik, “Influence of thermal annealing on the structure and optical properties of d.c. magnetron sputtered titanium dioxide thin films”, Surf. Interface Anal., 42 (6-7): 1247-1251 (2010).

*

S. S. Cetin, B. Kinaci, T. Asar, I. Kars, M. K. Ozturk, T. S. Mammadov, S. Ozcelik, “Effect of different P/As ratio on the optical and structural properties of GaAs1-xPx/GaAs”, Surf. Interface Anal., 42 (6-7): 1252-1256 (2010).

*

H. Altuntas, A. Bengi, T. Asar, U. Aydemir, B. Sarikavak, Y. Ozen, S. Altindal, S. Ozcelik, “Interface state density analyzing of Au/TiO2(rutile)/n-Si Schottky barrier diode”, Surf. Interface Anal., 42 (6-7): 1257-1260 (2010).

*

P. Tasli, A. Yildiz, M. Kasap, E. Ozbay, S. B. Lisesivdin, S. Ozcelik, “Contributions of impurity band and electron-electron interactions to magnetoconductance in AlGaN”, Philosophical Magazine, 90 (26): 3591-3599 (2010).

*

S. B. Lisesivdin, A. Yildiz, N. Balkan, M. Kasap, S. Ozcelik, E. Ozbay, “Scattering analysis of two-dimensional electrons in AlGaN/GaN with bulk related parameters extracted by simple parallel conduction extraction method”, J. Appl. Phys., 108 (1): 013712 (2010).

*

S. B. Lisesivdin, P. Tasli, M. Kasap, M. Ozturk, E. Arslan, S. Ozcelik, E. Ozbay, “Double subband occupation of the two-dimensional electron gas in InxAl1-xN/AlN/GaN/AlN heterostructures with a low indium content (0.064 <= x <= 0.140) barrier”, Thin Solid Films, 518 (19): 5572-5575 (2010).

*

B. Sarikavak, M. K, Ozturk, T. S. Mammadov, S. Ozcelik, “Interdiffusion phenomena in InGaAs/GaAs superlattice structures”, Cryst. Res. Technol., 45 (5): 517-524 (2010).

*

H. Altuntas, S. Ozcelik, “Growth and characterization of AlGaAs/GaAs quantum well infrared photodetectors”, Optoelectron. Adv. Mat., 4 (2): 132-135, (2010).

*

P. Tasli, S. B. Lisesivdin, A.Yildiz, M. Kasap, E. Arslan, S. Ozcelik, E. Ozbay, “Well parameters of two-dimensional electron gas in Al0.88In0.12N/AlN/GaN/AlN heterostructures grown by MOCVD”, Cryst. Res. Technol., 45(2): 133-139, (2010).

*

M. K. Ozturk, , Y. Hongbo, B. Sarikavak, S. Korcak, S. Ozcelik, E. Ozbay, “Structural analysis of an InGaN/GaN based light emitting diode by X-ray diffraction”, J. Mater. Sci-Mater. El., 21 (2), 185-191, (2010).

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, S. Ozcelik, E. Ozbay, N. Balkan, “Investigation of low-temperature electrical conduction mechanisms in highly resistive GaN bulk layers extracted with Simple Parallel Conduction Extraction Method”, Appl. Phys. A-Mater., 98 (3), 557-563, (2010).

*

T. Serin, A. Yildiz, N. Serin, N. Yildirim, F. Ozyurt, M. Kasap, "Electron-Electron Interactions in Sb-Doped SnO2 Thin Films", Journal Of Electronic Materials, 39(8), 1152-1158 (2010).

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, D. Mardare, "The substrate temperature dependent electrical properties of titanium dioxide thin films", Journal Of Materials Science-Materials In Electronics, 21(7), 692-697 (2010).

*

A. Yildiz, S.B. Lisesivdin, P. Tasli, E. Ozbay, M. Kasap, "Determination of the critical indium composition corresponding to the metal-insulator transition in InxGa1-xN (0.06 <= x <= 0.135) layers", Current Applied Physics, 10(3), 838-841 (2010).

*

A. Yildiz, M. Kasap, " The temperature dependence of the inelastic scattering time in InGaN grown by MOVPE", Low Temperature Physics, 36(4), 320-324  (2010).  

*

A. Yildiz, N. Serin, M. Kasap, T. Serin, D. Mardare, " The thickness effect on the electrical conduction mechanism in titanium oxide thin films", Journal Of Alloys And Compounds,    493(1-2), 227-232 (2010).

*

S. Ozkaya, M. Cakmak, B. Alkan, "Ab initio study of Yb on the Ge(111)-(3 x 2) and Si(111)-(3 x 2) surfaces", Surface Science, 604(21-22), 1899-1905 (2010).  

*

D. Usanmaz, G.P. Srivastava, M. Cakmak, "Atomic and electronic structure of S-terminated GaAs(001) surface", Journal Of Applied Physics, 108(6), 063713 (2010).

*

M. Evecen, M. Cakmak, "Adsorption of S, O, and H on the NiAl(110)-(2 x 2) surface", Physica B-Condensed Matter,  405(18), 4059-4063  (2010).

*

C. Kaderoglu, Z. Aydugan, B. Alkan, M. Cakmak, "Atomic and electronic properties of tert-butanol on the Si(001)-(2 x 1) surface", European Physical Journal B,  76(3), 359-363 (2010).

*

I. Uslu, M.K. Ozturk, M.L. Aksu, F. Gokmese, "Fabrication and Characterization of Boron Supported YBCO Superconductive Nanofibers by Electrospinning", CURRENT NANOSCIENCE,  6(4), 408-412  (2010).

*

I. Tascioglu, H.  Uslu, S. Altindal, P. Durmus, I. Dokme, T. Tunc, "The Effect of Gamma Irradiation on Electrical Characteristics of Au/Polyvinyl Alcohol (Co, Zn-Doped)/n-Si Schottky Barrier Diodes", JOURNAL OF APPLIED POLYMER SCIENCE, 118(1), 596-603 (2010).

*

I. Tascioglu, U. Aydemir, S. Altindal, "The explanation of barrier height inhomogeneities in Au/n-Si Schottky barrier diodes with organic thin interfacial layer", JOURNAL OF APPLIED PHYSICS, 108(6), 064506 (2010).

*

M.M. Bulbul, S. Bengi, I. Dokme, S. Altindal, T. Tunc, "Temperature dependent capacitance and conductance-voltage characteristics of Au/polyvinyl alcohol(Co,Zn)/n-Si Schottky diodes", JOURNAL OF APPLIED PHYSICS, 108(3), 034517 (2010).

*

I. Dokme, T. Tunc, S. Altindal, I. Uslu, "Temperature dependent dielectric properties of Schottky diodes with organic interfacial layer", OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 4(8), 1225-1228 (2010).

*

H. Uslu, S. Altindal, U. Aydemir, I. Dokme, I.M. Afandiyeva, "The interface states and series resistance effects on the forward and reverse bias I-V, C-V and G/omega-V characteristics of Al-TiW-Pd2Si/n-Si Schottky barrier diodes", JOURNAL OF ALLOYS AND COMPOUNDS, 503(1), 96-102, (2010).

*

S. Demirezen, S. Altindal, "Possible current-transport mechanisms in the (Ni/Au)/Al0.22Ga0.78N/AlN/GaN Schottky barrier diodes at the wide temperature range", CURRENT APPLIED PHYSICS, 10(4), 1188-1195 (2010).

*

S. Altindal, Y. Safak, I. Tascioglu, E. Ozbay, "The effect of insulator layer thickness on the main electrical parameters in (Ni/Au)/AlxGa1-xN/AlN/GaN heterostructures", SURFACE AND INTERFACE ANALYSIS, 42(6-7), 803-806 (2010).  

 

2009

*

H. Altuntas, A. Bengi, U. Aydemir, T. Asar, S.S. Cetin, I. Kars, S. Altindal, S. Ozcelik, “Electrical characterization of current conduction in Au/TiO2/n-Si at wide temperature range”, Mat. Sci. Semicon. Proc., 12 (6): 224-232 (2009).

*

S. Corekci, Z. Tekeli, M. Cakmak, S. Ozcelik, Y. Dinc, O. Zeybek, E. Ozbay, “Effects of thermal annealing on the morphology of the AlxGa(1-x)N films”, Mat. Sci. Semicon. Proc., 12 (6): 238-242 (2009).

*

D. Korucu, S. Altindal, T.S. Mammadov, S. Oezcelik, “Characterization of series resistance in the Sn/p-InP Schottky barrier diodes using temperature dependent C-V,G/w and DLTS”, Optoelectron. Adv. Mat., 3 (3): 171-174 (2009).

*

E. Bacaksiz, M. Altunbas, S. Ozcelik, O. Oltulu, M. Tomakin, S. Yilmaz, “Structural characterization of Zn1-xCdxO (0 £ x £ 0.20) microrods grown by spray pyrolysis”, Mat. Sci. Semicon. Proc., 12 (3), 118-121, (2009).

*

T. Asar, B. Sarikavak, M.K. Ozturk, T. Mammadov, S. Ozcelik, “Effects of annealing on the structural properties of GaAs-based quantum well solar cells”, J. Optoelectron. Adv. M., 11 (11), 1627-1631, (2009).

*

A. Bengi, T.S. Mammadov, S. Ozcelik, S. Altindal, “The effect of series resistance and surface states on current-voltage (I-V) characteristics of Au/n-GaAs/GaAs structures at wide temperature range”, Optoelectron. Adv. Mat., 3 (11), 1155-1160, (2009).

*

E. Arslan, O. Duygulu, A.A. Kaya, A. Teke, S. Ozcelik, E. Ozbay , “The electrical, optical, and structural properties of GaN epitaxial layers grown on Si(111) substrate with SiNx interlayers”, Superlattice. Microst., 46 (6), 846-857, (2009).

*

A. Yildiz, S.B. Lisesivdin, SB, H. Altuntas, M. Kasap, S. Ozcelik, “Electrical conduction properties of Si delta-doped GaAs grown by MBE”, Physica B, 404 (21), 4202-4206, (2009).

*

S. S. Cetin, T. S. Mammadov, S. Ozcelik, “Compositional effects on the interband transition in GaAs1-xPx ternary alloys”, Optoelectron. Adv. Mat., 3 (9), 910-916, (2009).

*

A. Yildiz, M. K. Ozturk, M. Bosi, S. Ozcelik, M. Kasap, “Structural, electrical and optical characterization of InGaN layers grown by MOVPE”, Chinese Phys. B, 18 (9), 4007-4012, (2009).

*

H. Altuntas, S. Altindal, H. Shtrikman, S. Ozcelik, “A detailed study of current-voltage characteristics in Au/SiO2/n-GaAs in wide temperature range”, Microelectron. Reliab., 49 (8), 904-911, (2009).

*

E. Arslan, S. Altindal, S.Ozcelik, E. Ozbay, “Tunneling current via dislocations in Schottky diodes on AlInN/AlN/GaN heterostructures”, Semicond. Sci. Tech., 24 (7), 075003, (2009).

*

S.B. Lisesivdin, H. Altuntas, A. Yildiz, A M. Kasap, E. Ozbay, S. Ozcelik, “DX-center energy calculation with quantitative mobility spectrum analysis in n-AlGaAs/GaAs structures with low Al content”, Superlattice. Microst., 45 (6), 604-611, (2009).

*

S.B. Lisesivdin, N. Balkan, O. Makarovsky, A. Patane, A. Yildiz, M.D. Caliskan, M. Kasap, S. Ozcelik, E. Ozbay,  “Large zero-field spin splitting in AlGaN/AlN/GaN/AlN heterostructures”, J. Appl. Phys., 105 (9), 093701, (2009).

*

H. Altuntas, S. Altindal, S. Ozcelik, H. Shtrikman, “Electrical characteristics of Au/n-GaAs Schottky barrier diodes with and without SiO2 insulator layer at room temperature”, Vacuum, 83 (7), 1060-1065, (2009).

*

D. Korucu, S. Altindal, T.S. Mammadov, S. Ozcelik, “Origin of anomalous peak and negative capacitance in the forward bias C-V characteristics of Au/n=InP Schottky Barier Diodes (SBDs)”, J. Optoelectron. Adv. M., 11 (2), 192-196, (2009).

*

D. Korucu, S. Altindal, T.S. Mammadov, S. Ozcelik, “On the temperature dependent anomalous peak and negative capacitance in Au/n-InP Schottky barrier diodes”, Optoelectron. Adv. Mat., 3 (1), 56-59, (2009).

*

E. Arslan, S. Altindal, S. Ozcelik, E. Ozbay, “Dislocation-governed current-transport mechanism in (Ni/Au)-AlGaN/AlN/GaN heterostructures”, J. Appl. Phys., 105 (2), 023705, (2009).

*

R. Tulek, A. Ilgaz, S. Gokden, A. Teke, M.K. Ozturk, M. Kasap, S. Ozcelik, E. Arslan, E. Ozbay, “Comparison of the transport properties of high quality AlGaN/AlN/GaN and AlInN/AlN/GaN two-dimensional electron gas heterostructures”, J. Appl. Phys., 105 (1), 013707, (2009).

*

E. Arslan, M.K. Ozturk, S. Ozcelik, E. Ozbay, “The effect of SixNy interlayer on the quality of GaN epitaxial layers grown on Si(111) substrates by MOCVD”, Curr. Appl. Phys., 9 (2), 472-477, (2009).

*

E. Arslan, M.K. Ozturk, O. Duygulu, A.A. Kaya, S. Ozcelik, E. Ozbay, “The influence of nitridation time on the structural properties of GaN grown on Si (111) substrate”, Appl. Phys. A-Mater., 94 (1), 73-82, (2009).

*

A. Yildiz, N. Serin, T. Serin, M. Kasap, "Crossover from Nearest-Neighbor Hopping Conduction to Efros-Shklovskii Variable-Range Hopping Conduction in Hydrogenated Amorphous Silicon Films", Japanese Journal Of Applied Physics, 48(11), 111203 (2009).

*

A. Yildiz, N. Serin, T. Serin, M. Kasap, " The effect of intrinsic defects on the hole transport in Cu2O", Optoelectronics And Advanced Materials-Rapid Communications, 3(10), 1034-1037 (2009). 

*

G. Atmaca, K. Elibol, S.B. Lisesivdin, M. Kasap, E. Ozbay, "Numerical optimization of Al-mole fractions and layer thicknesses in normally-on AlGaN-GaN double-channel high electron mobility transistors (DCHEMTs), Journal Of Optoelectronics And Advanced Materials, 11(5), 578-582 (2009). 

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, D. Mardare, "Non-adiabatic small polaron hopping conduction in Nb-doped TiO2 thin film ", Physica B-Condensed Matter, 404(8-11), 1423-1426 (2009).

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, M. Bosi, " Anomalous temperature dependence of the electrical resistivity in In0.17Ga0.83N ", Solid State Communications,  149(7-8), 337-340 (2009).  

*

D. Usanmaz, M. Cakmak, S. Ellialtioglu, "Atomic and electronic structure of group-IV adsorbates on the GaAs(001)-(1 x 2) surface", Surface Science, 603(17),  2683-2687 (2009).

*

Aydugan, Z (Aydugan, Z.); Kaderoglu, C (Kaderoglu, C.); Alkan, B (Alkan, B.); Cakmak, M (Cakmak, M.), " Effect of hydrogenation on the electronic structure of the P/Si(001)-(1 x 2) surface", Surface Science, 603(15), Pages: 2271-2275  (2009).

*

I. Uslu, M.K. Ozturk, M.L. Aksu, F. Gokmese, " Fabrication and Characterization of Boron Doped Ni/Zn Acetate Nanofibers ", SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY, 39(4), 199-203  (2009).  

*

S. Aydin, M. Şimşek, “First-principles calculations of MnB2, TcB2, and ReB2 within the ReB2-type structure”, PHYSICAL REVIEW B, 80, 134107 (2009)  

*

S. Aydin, M. Şimşek, “Hypothetically superhard boron carbide structures with a B11C icosahedron and three-atom chain”, PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 246, 62-70 (2009) 

*

S. Zeyrek, M.M. Bulbul, S. Altindal, M.C. Baykul, H. Yuzer, "The Double Gaussian Distribution of Inhomogeneous Barrier Heights in Al/GaN/p-GaAs (MIS) Schottky Diodes in Wide Temperature Range", BRAZILIAN JOURNAL OF PHYSICS, 38(4), 591-597 (2009).

 

2008

*

D. Korucu, S. Altindal, T.S. Mammadov, S. Ozcelik, “Temperature dependent behavior of Sn/p-InP Schottky barrier diodes”, Optoelectron. Adv. Mat., 2 (12), 766-769, (2008).

*

B. Sarikavak, M.K. Ozturk, H. Altuntas, T.S. Mammedov, S. Altindal, S. Ozcelik, “MBE-growth and characterization of InxGa1-xAs/GaAs (x=0.15) superlattice”, Rev. Mex. Fis., 54 (6), 416-421, (2008).

*

D. Korucu, T.S. Mammadov, S. Ozcelik, “The role of series resistance on the forward bias current-voltage (I-V) characteristics in Sn/p-InP (MS) contacts”, Journal of Ovonic Research, 4 (6): 159-164 (2008).

*

Z. Tekeli, S. Altindal, M. Cakmak, S. Ozcelik, E. Ozbay, “The profile of temperature and voltage dependent series resistance and the interface states in (Ni/Au)/Al0.3Ga0.7N/AlN/GaN heterostructures”, Microelectron. Eng., 85 (11), 2316-2321, (2008)

*

A. Dogan, S. Ozcelik, O.M. Dogan, I. Hubbezoglu, M. Cakmak, G. Bolayir, “Effect of Bleaching on Roughness of Dental Composite Resins”, J. Adhesion, 84 (11), 899-916, (2008).

*

A. Bengi, S. Altindal, S. Ozcelik, S.T. Agaliyeva, T.S. Mammadov, “Analysis of temperature dependent electrical characteristics of Au/n-GaAs/GaAs structures in a wide temperature range”, Vacuum, 83 (2), 276-281, (2008).

*

D. Korucu, S. Altindal, T.S. Mammadov, S. Ozcelik, “The frequency dependent electrical characteristics of Sn/p-InP Schottky barrier diodes (SBDs)”, Optoelectron. Adv. Mat., 2 (9), 525-529, (2008).

*

S.B. Lisesivdin, S. Demirezen, M.D. Caliskan, A. Yildiz, M. Kasap, S. Ozcelik, E. Ozbay, “Growth parameter investigation of Al0.25Ga0.75N/GaN/AlN heterostructures with Hall effect measurements”, Semicond. Sci. Tech., 23 (9), 095008, (2008).

*

E. Arslan, M.K. Ozturk, A. Teke, S. Ozcelik, E. Ozbay, “Buffer optimization for crack-free GaN epitaxial layers grown on Si(111) substrate by MOCVD”, J. Phys. D Appl. Phys., 41 (15), 155317, (2008).

*

E. Arslan, S. Butun, S.B. Lisesivdin, M. Kasap, S. Ozcelik, E. Ozbay, “The persistent photoconductivity effect in AlGaN/GaN heterostructures grown on sapphire and SiC substrates”, J. Appl. Phys., 103 (10), 103701, (2008).

*

S. Corekci, D. Usanmaz, Z. Tekeli, M. Cakmak, S. Ozcelik, E. Ozbay, “Surface morphology of Al0.3Ga0.7N/Al2O3-High Electron Mobility Transistor structure”, J. Nanosci. Nanotechno., 8 (2), 640-644, (2008).

*

I. Hubbezoglu, B. Akaoglu, A. Dogan, S. Keskin, G. Bolayir, S. Ozcelik, O.M. Dogan, “Effect of bleaching on color change and refractive index of dental composite resins”, Dent. Mater. J., 27 (1), 105-116, (2008).

*

S. Acar, S.B. Lisesivdin, M. Kasap, S. Ozcelik, E. Ozbay, “Determination of two-dimensional electron and hole gas carriers in AlGaN/GaN/AlN heterostructures grown by Metal Organic Chemical Vapor Deposition”, Thin Solid Films, 516 (8), 2041-2044, (2008).

*

S.B. Lisesivdin, E. Arslan, M. Kasap, S. Ozcelik, E. Ozbay, “Self-consistent scattering analysis of Al0.2Ga0.8N/AlN/GaN/AlN heterostructures grown on 6H-SiC substrates using photo-Hall effect measurements”, J. Phys-Condens. Mat., 20 (4), 045208, (2008).

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, D. Mardare, "Electrical properties of TiO(2) thin films", Journal Of Non-Crystalline Solids,  354(45-46), 4944-4947 (2008).  

*

A. Yildiz, F. Dagdelen, S. Acar, S.B. Lisesivdin, M. Kasap, Y. Aydogdu, M. Bosi, "Stokes shift and band gap bowing in InxGa1-xN (0.060 <= x <= 0.105) grown by metalorganic vapour phase epitaxy ", Acta Physica Polonica A,  113(2), 731-739 (2008).  

*

Kaderoglu, C (Kaderoglu, C.); Kutlu, B (Kutlu, B.); Alkan, B (Alkan, B.); Cakmak, M (Cakmak, M.), " Atomic and electronic properties of furan on the Si(001)-(2 x 2) surface", Surface Science,  602(17), 2845-2848 (2008).

*

D. Usanmaz, M. Cakmak, S. Ellialtioglu, "Atomic and electronic structure of Bi/GaAs(001)-alpha 2(2x4)", Journal Of Physics-Condensed Matter, 20(26), 265003 (2008). 

*

S. Ozkaya, M. Cakmak, B. Alkan, " Atomic and electronic structures of T1/Si(111)-(root 3x root 3)", SURFACE SCIENCE,  602(7), 1376-1380 (2008). 

*

M. Gokcen, H. Altuntas, S. Altindal, "Electrical and dielectric properties of Au/SiO2/n-GaAs (MOS) structures with different oxide layer thickness", OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 2(12), 833-837 (2008).

*

M. Gokcen, H. Altuntas, S. Altindal, "Temperature dependence of electrical characteristics of Au/SiO2/n-GaAS (MOS) structures", SOPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS,  2(12), 838-841 (2008).

 

2007

*

A. Uzel, P. Durmus, M. Cakmak, S. Ozcelik, “Role of local density approximation in structure and electronic properties of InxGal-xAs alloys”, Six International Conference Of The Balkan Physical Union, 899, 595-595,  (2007).

*

S. Korcak, M.K. Ozturk, S. Corekci, B. Akaoglu, H. Yu, M. Cakmak, S. Saglam, S. Ozcelik, E. Ozbay, “Structural and optical properties of an InxGa1-xN/GaN nanostructure”, Surf. Sci., 601 (18), 3892-3897, (2007).

*

B.G. Salamov, S. Ozcelik, A. Inaloz, T.S. Mammadov, “Study of light emission amplification in a semiconductor gas discharge system”, J. Phys. D Appl. Phys., 40 (21), 6657-6668, (2007).

*

S.B. Lisesivdin, A. Yildiz, S. Acar, M. Kasap, S. Ozcelik, E. Ozbay, “The effect of strain relaxation on electron transport in undoped Al0.25Ga0.75N/GaN heterostructures”, Physica B, 399 (2), 132-137, (2007).

*

Z. Tekeli, S. Altindal, M. Cakmak, S. Ozcelik, D. Caliskan, E. Ozbay, “The behavior of the I-V-T characteristics of inhomogeneous (Ni/Au)-Al0.3Ga0.7N/AlN/GaN heterostructures at high temperatures”, J. Appl. Phys., 102 (5), 054510, (2007).

*

S.B. Lisesivdin, A. Yildiz, S. Acar, M. Kasap, S. Ozcelik, E. Ozbay, “Electronic transport characterization of AlGaN/GaN heterostructures using quantitative mobility spectrum analysis”, Appl. Phys. Lett., 91 (10), 102113, (2007).

*

S. Corekci, M.K. Ozturk, B. Akaoglu, M. Cakmak, S. Ozcelik, E. Ozbay, “Structural, morphological, and optical properties of AlGaN/GaN heterostructures with AlN buffer and interlayer”, J. Appl. Phys., 101 (12), 123502, (2007).

*

A. Bengi, S. Altindal, S. Ozcelik, T.S. Mammadov, “Gaussian distribution of inhomogeneous barrier height in Al0.24Ga0.76As/GaAs structures”, Physica B, 396 (1-2), 22-28, (2007).

*

S.B. Lisesivdin, S. Acar, M.  Kasap, S. Ozcelik, S. GokdenE. Ozbay, “Scattering analysis of 2DEG carrier extracted by QMSA in undoped Al0.25Ga0.75N/GaN heterostructures”, Semicond. Sci. Tech., 22 (5), 543-548, (2007).

*

A. Yildiz, S.B. Lisesivdin, S. Acar, M. Kasap, M. Bosi, "Electron transport in Ga-rich InxGa1-xN alloys ", Chinese Physics Letters, 24(10), 2930-2933 (2007).

*

S. Acar, A. Yildiz, M. Kasap, M. Bosi, "Temperature-dependent electron transport in In0.5Ga0.5P/GaAs grown by MOVPE ", Chinese Physics Letters, 24(8), 2373-2375 (2007). 

*

S.B. Lisesivdin, A. Yildiz, M. Kasap, "Optimization of alloy composition, interlayer and barrier thicknesses in AlxGa1-xN/(AlN)/GaN high electron mobility transistors", Optoelectronics And Advanced Materials-Rapid Communications, 1(9), 467-470 (2007). 

*

A. Yildiz, S.B. Lisesivdin, M. Kasap, D. Mardare, "High temperature variable-range hopping conductivity in undoped TiO2 thin film", Optoelectronics And Advanced Materials-Rapid Communications,  1(10), 531-533 ( 2007). 

*

G. Demirel, M. Cakmak, T. Caykara, S. Ellialtioglu, " Chemisorption of 3-aminopropyltrimethoxysilane on Si(001)-(2 x 2)", JOURNAL OF PHYSICAL CHEMISTRY C,  111(41),  15020-15025  (2007).

*

G. Demirel, T. Caykara, B. Akaoglu, M. Cakmak, " Construction of a novel multilayer system and its use for oriented immobilization of immunoglobulin G", SURFACE SCIENCE,  601(19),  4563-4570  (2007).

*

E. Mete, D. Uner, M. Cakmak, O. Gulseren, S. Ellialtoglu, " Effect of molecular and electronic structure on the light-harvesting properties of dye sensitizers", JOURNAL OF PHYSICAL CHEMISTRY C,  111(20), 7539-7547  (2007).

*

N. Paul, S. Filimonov, V. Cherepanov, M. Cakmak, B.Voigtlander, "Identification of Ge/Si intermixing processes at the Bi/Ge/Si(111) surface", PHYSICAL REVIEW LETTERS, 98(16), 166104  (2007).

*

G. Demirel, M. Cakmak, T. Caykara, " Binding formation of 12-hydroxydodecanoic acid on Si(001)-(2 x 2)", JOURNAL OF PHYSICAL CHEMISTRY C,  111(11), 4375-4378  (2007).

*

M. Cakmak, Z. Aydugan, B. Alkan, " Effect of hydrogenation on P/Si(001)-(1 x 2)", SURFACE SCIENCE,  601(6), 1489-1493  (2007).

*

H. Celikkan, M.K. Ozturk, H. Aydin, M.L. Aksu, " Boriding titanium alloys at lower temperatures using electrochemical methods ", THIN SOLID FILMS,  515(13), 5348-5352  (2007).  

*

S. Karatas, S. Altindal, A. Turut, M. Cakar, "Electrical transport characteristics of Sn/p-Si schottky contacts revealed from I-V-T and C-V-T measurements", PHYSICA B-CONDENSED MATTER, 392(1-2), 43-50  (2007).  

*

S. Altindal, H. Kanbur, D.E. Yildiz, M. Parlak, "Current conduction mechanism in Al/p-Si Schottky barrier diodes with native insulator layer at low temperatures", APPLIED SURFACE SCIENCE, 253(11) 5056-5061 (2007).

*

I. Dokme, S. Altindal, "The C-V-f and G/omega-V-f characteristics of Au/SiO2/n-Si capacitors", PHYSICA B-CONDENSED MATTER, 391(1), 59-64  (2007).  

*

I. Dokme, S. Altindal, M.M. Bulbul, "The barrier height inhornogeneity in Al/p-Si Schottky barrier diodes with native insulator layer", APPLIED SURFACE SCIENCE, 252(22), 7749-7754 (2007).

 

2006

*

H. Yu, M.K. Ozturk, S. Ozcelik, E. Ozbay, “A study of semi-insulating GaN grown on AlN buffer/sapphire substrate by metalorganic chemical vapor deposition”, J. Cryst. Growth, 293 (2), 273-277, (2006).

*

V.P. Aliev, S.G. Gasimov, T.G. Mammadov, T.S. Mammadov, A.I. Nadjafov, M.Y. Seyidov, "Preparation, crystal structure, and electrical properties of thallium monosulfide in the vicinity of high-temperature phase transitions", PHYSICS OF THE SOLID STATE, 48(12),  2322-2327  (2006). 

*

A. Tataroglu, " Electrical and dielectric properties of MIS Schottky diodes at low temperatures", MICROELECTRONIC ENGINEERING,  83(11-12), 2551-2557 (2006). 

*

M.M. Bulbul, S. Zeyrek, S. Altindal, H. Yuzer, "On the profile of temperature dependent series resistance in Al/Si3N4/p-Si (MIS) Schottky diodes", MICROELECTRONIC ENGINEERING, 83(3), 577-581 (2006).    

*

S.  Zeyrek, S. Altindal, H. Yuzer, M.M. Bulbul, "Current transport mechanism in Al/Si3N4/p-Si (MIS) Schottky barrier diodes at low temperatures", APPLIED SURFACE SCIENCE, 252(8), 2999-3010 (2006).  

*

S. Karatas, A. Turut, S. Altindal, "Effects of Co-60 gamma-ray irradiation on the electrical characteristics of Au/n-GaAs (MS) structures", NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 555(1-2), 260-265 (2006).  

 

2005

*

S. Acar, M. Kasap, B.Y. Isik, S. Ozcelik, N. Tugluoglu, S. Karadeniz, “Quantitative mobility spectrum analysis for determination of electron and magneto transport properties of Te-doped GaSb”, Chinese Phys. Lett., 22 (9), 2363-2366, (2005).

*

M. Kasap, S. Acar, S. Ozcelik, S. Karadeniz, N. Tugluoglu, “Temperature-dependent galvanomagnetic measurements on doped InSb and InAs grown by liquid encapsulated Czochralski”, Chinese Phys. Lett., 22 (5), 1218-1221, (2005).

*

J.I. Flege, T. Schmidt, J. Batjer, M. Cakmak, G. Materlik, J. Falta, "Desorption site-specificity and halogen minority sites on Si(111) ", NEW JOURNAL OF PHYSICS, 7, 208  (2005).  

*

H.Y.Kurt, B.G. Salamov, T.S. Mammadov, " Electrical instability in a semiconductor gas discharge system", CRYSTAL RESEARCH AND TECHNOLOGY,  40(12), 1160-1164  (2005).

*

F.A. Mikailov, E. Senturk, L. Tumbek, T.G. Mammadov, T.S. Mammadov, "Thermal hysteresis and memory effects in TlGaSe2 crystal with incommensurate phase", PHASE TRANSITIONS, 78(5),  413-419  (2005).

*

S. Karatas, S. Altindal, "Temperature dependence of barrier heights of Au/n-type GaAs Schottky diodes", SOLID-STATE ELECTRONICS,   49(6), 1052-1054 (2005). 

*

S. Karatas, S. Altindal, M. Cakar, "Current transport in Zn/p-Si(100) Schottky barrier diodes at high temperatures",  PHYSICA B-CONDENSED MATTER, 357(3-4), 386-397 (2005). 

*

N. Tugluoglu, S. Karadeniz, S. Altindal, "Effect of series resistance on the performance of silicon Schottky diode in the presence of tin oxide layer", APPLIED SURFACE SCIENCE,  239(3-4), 481-489 (2005). 

 

2004

*

M. Kasap, S. Acar, "The temperature dependence of electron and magneto transport properties in Te-doped InSb", Physica Status Solidi A-Applied Research , 201(14), 3113-3120 (2004). 

*

N. Tugluoglu, S. Karadeniz, S. Acar, M. Kasap, "Temperature-dependent barrier characteristics of inhomogeneous in/p-Si (100) Schottky barrier diodes", Chinese Physics Letters, 21(9), 1795-1798 (2004).  

*

S. Acar, S. Karadeniz, N. Tugluoglu, A.B. Selcuk, M. Kasap, "Gaussian distribution of inhomogeneous barrier height in Ag/p-Si (100) Schottky barrier diodes ", Applied Surface Science,  233(1-4), 373-381 (2004).

*

I. Korkut, M. Kasap, I. Ciftci, U. Seker, "Determination of optimum cutting parameters during machining of AISI 304 austenitic stainless steel ", Materials & Design, 25(4), 303-305 (2004). 

*

S. Acar, M. Kasap, "Conductivity, Hall and magnetoresistance effect measurements on SIGaAs and InP", Physica Status Solidi A-Applied Research, 201(7), 1551-1557 (2004).

*

V. Bellini, S. Cottenier, M. Cakmak, F. Manghi, M. Rots, "Coordination-dependence of hyperfine interactions at impurities on fcc metal surfaces. II. Magnetic hyperfine field", PHYSICAL REVIEW B,  70(15), 155419  (2004).  

*

S. Cottenier, V. Bellini, M. Cakmak, F. Manghi, M. Rots, " Coordination dependence of hyperfine interactions at impurities on fcc metal surfaces. I. Electric-field gradient ", PHYSICAL REVIEW B,  70(15), 155418  (2004).

*

N. Tugluoglu, S. Altindal, A. Tataroglu, S. Karadeniz, "Dielectric properties in Au/SnO2/n-Si (MOS) structures irradiated under Co-60-gamma rays",  MICROELECTRONICS JOURNAL, 35(9), 731-738 (2004).

 

 

 

PROJELER

     

Proje No

Proje Yürütücü

Proje Adı

Proje Durumu

DPT-2001K120590

Prof. Dr. Süleyman ÖZÇELİK

İleri Araştırma ve Eğitim Programı

Tamamlandı

BAP-FEF.00/2003-02

Prof. Dr. Süleyman ÖZÇELİK

Yarıiletken Malzeme Araştırma Laboratuarı için Alt   Yapı Projesi

Tamamlandı

DPT-2003K120470-15

Prof. Dr. Süleyman ÖZÇELİK

Tabakalı Yarı İletken İnci Filmlerin Geliştirilmesi   ve Karakterizasyonu

Tamamlandı

TÜBİTAK-108T018

Prof.   Dr. Süleyman ÖZÇELİK

Kızılötesi AlGaAs Lazer Diyot malzemelerinin   Epitaksiyel Üretimi ve Karakterizasyonu

Tamamlandı

TÜBİTAK-107T584

Prof. Dr. Mehmet KASAP

Çevre Fiziğinde Uygulamaları Bulunan Nanoyapılı TiO2   İncefilmlerin Elde Edilmesi ve Karakterizasyonu Üzerine Çalışmalar

Tamamlandı

BAP-FEF.05/2008-11

Prof. Dr. Süleyman ÖZÇELİK

AlxGa1-xAs/GaAs (100) Kuantum   Kuyularının Optik Özelliklerinin İncelenmesi

Tamamlandı

BAP-FEF.05/2009-58

Prof. Dr. Süleyman ÖZÇELİK

Çoklu Kuantum Kuyulu InGaN/GaN LED Üretimi ve Optik  Özelliklerinin İncelenmesi

Tamamlandı

NATO,   BP.EAP.CLG

Prof. Dr. Süleyman ÖZÇELİK

Tandem Güneş Hücreleri için Seyreltik Nitritler

Tamamlandı

BAP-FEF.05/2010-65

Prof. Dr. Süleyman ÖZÇELİK

TiO2 filmlerinin ve Boya Duyarlı Güneş Pillerinin Üretimi

Tamamlandı

BAP-FEF.05/2010-34

Prof. Dr. Süleyman ÖZÇELİK

GaxIn1-xP/GaAs Kuantum Kuyulu   Güneş Pili (QWSC) Üretimi

Tamamlandı

TÜBİTAK-110T333

Prof. Dr. Süleyman ÖZÇELİK

III-V Grubu İki Eklemli ve Kuantum Kuyulu Güneş   Pillerinin Modellenmesi, Epitaksiyel Büyütülmeleri ve Güneş Pillerinin   Geliştirilmesi

Tamamlandı

TÜBİTAK-209T051

Prof. Dr. Mehmet KASAP

MOVPE growth and characterization of epitaxial   Germanium for infrared photovoltaic and sensor applications

Tamamlandı

SANTEZ-00587.STZ.2010-1

Prof. Dr. Süleyman ÖZÇELİK

Üç eklemli Güneş Pillerinin Üretim Teknolojisinin   Kazanımı ve Model Modül Üretimi

Tamamlandı

DPT-2011K120290

Prof. Dr. Süleyman ÖZÇELİK

Fotonik Araştırma Merkezi

Tamamlandı

TÜBİTAK-111T800

Prof. Dr. Mehmet KASAP

Growth and Characterization of Epitaxial Ge, GaAs and InGaP for photovoltaic and thermophotovoltaic applications

Tamamlandı

ASELSAN- MGEO-IA-2012-036

Prof. Dr. Süleyman ÖZÇELİK

Kızılötesi Optik Elemanlar İçin Germanyum Tek Kristal Geliştirme Çalışmaları

Tamamlandı

TÜBİTAK-111T655

Doç. Dr. Saime Şebnem ÇETİN

GaAsP İki-Renkli Işık Yayan Diyot (LED) Yapılarının   Büyütülmesi ve Karakterizasyonları

Tamamlandı

TÜBİTAK-1001

110T385

Prof. Dr. Mehmet ÇAKMAK

Nano Ölçekli GeSbTe malzemelerinin faz değişim   mekanizması

Tamamlandı

BAP-FEF.05/2010-85

Doç. Dr. M. Kemal ÖZTÜRK

X-ışınları ile ışık yayan diyot temelli InGaN/GaN   yapıların zorlama, gerilme ve mosaik kusur yapıların analizi

Tamamlandı

SANTEZ- 00586.STZ.2013-2

Prof. Dr. Süleyman ÖZÇELİK

ZnO Tabanlı UV Dedektör Geliştirilmesi ve Prototip Üretimi

Tamamlandı

SANTEZ- 0633.STZ.2014

Prof. Dr. Süleyman ÖZÇELİK

SnO2 Gaz Sensörü Geliştirilmesi ve Prototip Üretimi

Tamamlandı

TÜBİTAK-1001

114F224

Doç. Dr. Saime Şebnem ÇETİN

Seyreltik Azotlu Yapıların Epitaksiyel Büyütme Mekanizmaları ve LED Aygıt Fabrikasyonu

Tamamlandı

TÜBİTAK-1505 -5140074

Prof. Dr. Süleyman ÖZÇELİK

Elektromanyetik Girişim Engelleyici Germanyum Optik Geliştirme

Tamamlandı

TÜBİTAK-1005

115F048

Prof. Dr. Süleyman ÖZÇELİK

Germanyum alttaş ve optik pencere geliştirilmesi

Tamamlandı

TÜBİTAK-ULUSLARARASI 115F280

Prof. Dr. Süleyman ÖZÇELİK

Optoelektronik Aygıtlar için Cu2ZnSn(SxSe1-x)4 İnce Filmlerin Yapısal, Optik ve Elektriksel Özellikleri Üzerine Kompozisyon Etkisinin İncelenmesi

Tamamlandı

CB-SBB-2016K121220

Prof. Dr. Süleyman ÖZÇELİK

Fotonik Uygulama ve Araştırma Altyapısının Geliştirilmesi

Devam Ediyor

TÜBİTAK-MAM 2016-25

Prof. Dr. Süleyman ÖZÇELİK

Uzay Kalifiye Güneş Hücrelerinin Geliştirilmesi

Devam Ediyor

ASELSAN-HASSAS OPTİK

Prof. Dr. Süleyman ÖZÇELİK

KÖ Optik Pencereler için EMI-Ge Tekkristal Üretimi

Devam Ediyor

ROKETSAN

Prof. Dr. Süleyman ÖZÇELİK

Füze Uygulamaları için Safir Kristali Geliştirilmesi

Devam Ediyor

TÜBİTAK-1001

117F363

Prof. Dr. Süleyman ÖZÇELİK

Fonksiyonel yüzeyler için çok ince gümüş filmlerinin elekro-optik özelliklerinin geliştirilmesi

Devam Ediyor

TÜBİTAK-ULUSLARARASI 118F009

Prof. Dr. Süleyman ÖZÇELİK

In2S3 Tampon Katmanlı İnce Film Güneş Hücrelerinin Geliştirilmesi için Cu2SnS3 Soğurucu Filmlerin İncelenmesi

Devam Ediyor

BAP-70/2020-01

Prof. Dr. Süleyman ÖZÇELİK

Nb2O5 İnce Film H2 Gaz Sensörü Geliştirilmesi

Devam Ediyor

CB-SBB-2019K12-149045

Prof. Dr. Süleyman ÖZÇELİK

Fotonik Malzeme ve Elektro-optik Aygıt Geliştirilmesi

Devam Ediyor

TÜBİTAK-ULUSLARARASI

120N014

Prof. Dr. Süleyman ÖZÇELİK

Pasif Q-Anahtarlamalı Lazer Aygıtları Için α-KY(WO4)2:Tm+3 Tekli Kristallerin Yetiştirilmesi Için Teknolojinin Geliştirilmesi

Devam Ediyor