Süleyman Özçelik

Prof. Dr.

Address: Gazi University, Photonics Application and Research Center, 06500 Teknikokullar, Ankara/TURKEY
Telephone: +90 312 202 84 65
Fax:
E-mail: sozcelik@gazi.edu.tr
Nationality: Turkish

WORK EXPERIENCE

Dates (from – to)
2011-present
Name and address of employer
Gazi University Photonics Application and Research Center
Type of business or sector
Research and Development
Occupation or position held
Director
Main activities and responsibilities
Semiconductors, optic, photonic, fiber optic, nanotechnology
Dates (from – to)
2020-present
Name and address of employer
Photonics Department of Faculty of Applied Sciences, Gazi University
Type of business or sector
Education
Occupation or position held
Head
Main activities and responsibilities
Photonics-Optics
Dates (from – to)
2002-present
Name and address of employer
Gazi University
Type of business or sector
Education
Occupation or position held
Prof. Dr.
Main activities and responsibilities
Semiconductors, optic, photonic, fiber optic, nanotechnology
Dates (from – to)
1996-2002
Name and address of employer
Gazi University
Type of business or sector
Education
Occupation or position held
Assoc. Prof. Dr.
Main activities and responsibilities
Semiconductors, optic, photonic, fiber optic, nanotechnology
Dates (from – to)
1991-1996
Name and address of employer
Gazi University
Type of business or sector
Education
Occupation or position held
Asst. Prof. Dr.
Main activities and responsibilities
Semiconductors, optic, photonic, fiber optic, nanotechnology
Dates (from – to)
1985-1988
Name and address of employer
Gazi University
Type of business or sector
Education
Occupation or position held
Research Assistant
Main activities and responsibilities
Semiconductors, optics, photonics, nanomaterials, nanotechnology,

EDUCATION AND TRAINING

Dates (from – to)
1987-1991
Name and type of organization providing education and training
Gazi University Graduate School of Natural and Applied Sciences
Principal subjects/occupational
Solutions of the Schrödinger equation for singular (r = o) and other power series potentials
Title of qualification awarded
Ph.D.
Dates (from – to)
1984-1986
Name and type of organization providing education and training
Gazi University Graduate School of Natural and Applied Sciences
Principal subjects/occupational
CO2 Gas Lasers
Title of qualification awarded
Master degree
Dates (from – to)
1981-1984
Name and type of organization providing education and training
Karadeniz Technical University
Principal subjects/occupational
Title of qualification awarded
Bachelor degree

PERSONAL SKILLS AND COMPETENCES

Suleyman Ozcelik is a professor of Photonics Department at Gazi University in Turkey, where he is also the founding Director of Gazi Photonics Application & Research Center and the founding Head of Department of Photonics. He has supervised more than 20 PhD thesis. Prof Ozcelik leads prestigious national and international research and R&D collaborations with academic and industry partners. His research expertise includes the development of photonic crystals, epitaxial growth, bulk single-crystal growth, growth of 2D nanomaterials, modeling, designing and fabrication of opto-electronic devices. Prof Ozcelik’s team has established Turkey’s first epitaxial growth and bulk Germanium and Sapphire crystal growth systems, as well as pioneering the production of space-qualified solar cells. He has led more than 40 projects in the fields of advanced materials, semiconductor and optics-photonics technologies funded by national and international agencies. He has published more than 200 articles in SCI journals, and more than 550 publications overall. He regularly gives keynote/invited talks in national and international conferences. In 2019, he has received an Honor Award from the Turkish Physical Society for his distinct contributions to the discipline of physics.
MOTHER TONGUE
Turkish
OTHER LANGUAGES
English
Reading skills
Good
Writing skills
Good
Verbal skills
Good
SOCIAL SKILLS AND COMPETENCES
Living and working with other people, in multicultural environments, in positions where communication is important and situations where teamwork is essential (for example culture and sports), etc.
As the director of Gazi Photonics Research Center, Prof. Dr. Ozcelik has demonstrated internationally-recognised academic leadership, leading a team of national and international researchers and several international collaborations with Higher Education and industry partners. In addition, he is involved in various High Education panels and boards and civil society organizations, supporting and promoting R&D, researcher training, research and industry collaborations, and academia-public engagement.
ORGANIZATIONAL SKILLS AND COMPETENCES
Coordination and administration of people, projects and budgets; at work, in voluntary work (for example culture and sports) and at home, etc.
Prof. Dr. Ozcelik is highly experienced in project management and organization. He has conducted more than 30 projects in the field of advanced materials, semiconductor and photonic technologies. About 25 graduate students and post-doctoral researchers are working in the projects that are currently underway. In addition, 40 research personnel work in the Photonics Research Center of which he is the director.
TECHNICAL SKILLS AND COMPETENCES
With computers, specific kinds of equipment, machinery, etc.
Prof. Dr. Ozcelik can use the following systems and devices in his scientific research:
Epitaxial crystal growth: MBE, MOVPE
Growth of Germanium and Sapphire Bulk single-crystals: CZ and KY
Thin film development: PVD and CVD techniques
Photonics and Opto-electronic device fabrication: cleam room, Photolithographic techniques
Material characterization: XRD, SIMS, DLTS, HMS, PL, UV-Vis spectrometer, FTIR, AFM, XPS, Device parameter analyzer, etc.
Computer based: Optical design software, Fortran, Mathematica, MS-Office
OTHER SKILLS AND COMPETENCES
Competencentioned above.
DRIVING LICENSE(S)
B

AUTHORED OR CO-AUTHORED ARTICLES

ARTICLES IN PEER REVIEWED JOURNALS 1. Cetinkaya C, Cokduygulular E., Kinaci B., Guzelcimen F., Ozen Y., Efkere H.I., Candan I., Emik S., Ozcelik S. (2021), Design and fabrication of a semi-transparent solar cell considering the effect of the layer thickness of MoO3/Ag/MoO3 transparent top contact on optical and electrical properties, Scientific Reports 11, Issue 1 Article number 13079

2. Kaya M. D. , Sertel B. C. , AKIN SÖNMEZ N. , ÇAKMAK M. , ÖZÇELİK S. (2021) The current-voltage characteristics of V2O5/n-Si Schottky diodes formed with different metals, Journal of Materials Science: Materials in ElectronicsVolume 32, Issue 15, Pages 20284 - 20294

3. Cetinkaya C, Cokduygulular E., Kinaci B., Guzelcimen F., Candan I., ., Efkere H.I Ozen Y., Ozcelik S. (2021), Evaluation on output parameters of the inverted organic solar cells depending on transition-metal-oxide based hole-transporting materials, Optical Materials Volume 120, Article number 111457

4. BARAN, V., ÇAT, Y., SERTEL, T., ATEŞER, T., AKIN SÖNMEZ, N., ÇAKMAK, M., & ÖZÇELİK, S. (2020). A Comprehensive Study on a Stand Alone Germanium Ge Solar Cell. Journal of Electronic Materials, 49(2), 1249–1256.

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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

17. 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

18. Bilgili, A. K., Akpınar, Ö., ÖZTÜRK, M., ÖZÇELİK, S., SULUDERE, Z., & ÖZBAY, E. (2019). A detailed study on optical properties of InGaN GaN Al2O3 multi quantum wells. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 30(11), 10391–10398.

19. ATAŞER, T., ÖZTÜRK, M., ZEYBEK, O., & ÖZÇELİK, S. (2019). An Examination of the GaInP/GaInAs/Ge Triple-Junction Solar Cell with the Analytical Solar Cell Model. ACTA PHYSICA POLONICA A, 136(1), 21–25.

20. Sertel, T., ÖZEN, Y., Veysel, B., & ÖZÇELİK, S. (2019). Effect of single layer Ta2O5 and double layer SiO2 Ta2O5 anti reflective coatings on GaInP GaAs Ge triple junction solar cell performance. JOURNAL OF ALLOYS AND COMPOUNDS, 806, 439–450.

21. A. K. Bilgili, Ö. AKPINAR, M. ÖZTÜRK, Ü. C. BAŞKÖSE, S. ÖZÇELİK, and E. ÖZBAY, “Investigation of structural optical and morphological properties of InGaN GaN structure,” Applied Physics A, vol. 125, no. 1, pp. 0–0, Jan. 2019.

22. ÇAT, Y., BARAN, V., & ÖZÇELİK, S. (2019). EMI Shielding Effectiveness and Heater Behavior for Ge IR Windows. Physica Status Solidi (a), 216(14), 1900005–0.

23. Comert Sertel, B., AKIN SÖNMEZ, N., Donmez Kaya, M., & ÖZÇELİK, S. (2019). Development of MgO TiO2 thin films for gas sensor applications. Ceramics International, 45(3), 2917–2921.

24. AKIN SÖNMEZ, N., DÖNMEZ, M., CÖMERT, B., ASAR, T., KINACI, B., & ÖZÇELİK, S. (2019). 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, 0–0.

25. SERTEL, T., AKIN SÖNMEZ, N., CETIN, S. S., & ÖZÇELİK, S. (2019). Influences of annealing temperature on anti reflective performance of amorphous Ta2O5 thin films. Ceramics International, 45(1), 11–18.

26. GÜMRÜKÇÜ, A. E., KAPLAN, H., AKIN SÖNMEZ, N., & ÖZÇELİK, S. (2019). Electrical optical and structural properties of silver based multilayer films deposited by magnetron sputtering. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 30(20), 18519–18523.

27. Arslan, E., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2019). Effects of the AlN nucleation layer thickness on the crystal structures of an AlN epilayer grown on the 6H SiC substrate. PHILOSOPHICAL MAGAZINE, 99(14), 1715–1731.

28. Akpınar, O., Bilgili, A. K., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2019). On the elastic properties of INGAN GAN LED structures. Applied Physics A, 125(2), 0–0.

29. AKÇAY, N., Zaretskaya, E., & ÖZÇELİK, S. (2019). Development of a CZTS solar cell with CdS buffer layer deposited by RF magnetron sputtering. JOURNAL OF ALLOYS AND COMPOUNDS, 772, 782–792.

30. KARS DURUKAN, İ., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2019). Crystal Size and Stress Account in Reciprocal Space Map. Journal of Polytechnic, 0–0.

31. Bilgili, A. K., Akpınar, Ö., Kurtuluş, G., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2019). Lattice Parameters a c Strain Stress Analysis and Thermal Expansion Coefficient of InGaN GaN Solar Cell Structures Grown by MOCVD. Journal of Polytechnic, 0–0.

32. ZEYBEK, O., Ayaz, A., ÖZTÜRK, M., Davarpanah, A. M., Barrett, S. D., BAYIRLI, M., & ÖZÇELİK, S. (2018). Fractal size occupied fraction study with annealing of heterostructure based AlxGa1 xN. Journal of Materials Science: Materials in Electronics, 29(3), 2040–2044.

33. Bilgili, A. K., AKPINAR, Ö., KURTULUŞ, G., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2018). Structural properties of InGaN GaN Al2O3 structure from reciprocal space mapping. Journal of Materials Science: Materials in Electronics, 29(14), 12373–12380.

34. ASAR, T., BARAN, V., KURTULUŞ, G., DÖNMEZ, M., & ÖZÇELİK, S. (2018). Platinum doping effect on InO MSM IR photodetectors. Superlattices and Microstructures, 122, 650–660.

35. ATAŞER, T., AKIN SÖNMEZ, N., ÖZEN, Y., ÖZDEMİR, V., ZEYBEK, O., & ÖZÇELİK, S. (2018). Developing of dual junction GaInP GaAs solar cell devices effects of different metal contacts. Optical and Quantum Electronics, 50(7), 0–0.

36. KARS DURUKAN, İ., AKPINAR, Ö., AVAR, C., GÜLTEKİN, A., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2018). Analyzing the AlGaN AlN GaN Heterostructures for HEMT Applications. Journal of Nanoelectronics and Optoelectronics, 13(3), 331–334.

37. S, Z., L, D., ASAR, T., A, S., A, F., & ÖZÇELİK, S. (2018). Effects of the TiO2 high k insulator material on the electrical characteristics of GaAs based Schottky barrier diodes. Applied Physics A, 124(1), 0–0.

38. AKIN SÖNMEZ, N., DÖNMEZ, M., CÖMERT, B., & ÖZÇELİK, S. (2018). Ag M seed AZO glass structures for low E glass Effects of metal seeds. International Journal of Applied Glass Science, 9(3), 383–391.

39. AKÇAY, N., AKIN SÖNMEZ, N., Zaretskaya, E., & ÖZÇELİK, S. (2018). 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), 491–499.

40. ÇAT, Y., BARAN, V., AFACAN, G., COŞAR, M. B., & ÖZÇELİK, S. (2018). Investigation of Electromagnetic Interference Shielding Effectiveness of CZ Grown Ge Optical Windows. Crystal Research and Technology, 53(8), 1800069–0.

41. SERTEL, T., ÖZEN, Y., AYDIN, S. Ş., ÖZTÜRK, M., & ÖZÇELİK, S. (2018). 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, 29(3), 1939–1946.

42. ÖZEN, Y., SERTEL, T., AYDIN, S. Ş., & ÖZÇELİK, S. (2018). Characterization of Double Junction GaAsP Two Color LED Structure. Journal of Electronic Materials, 47(12), 7129–7133.

43. ASAR, T., KORKMAZ, B., EFKERE, H. İ., AKIN SÖNMEZ, N., & ÖZÇELİK, S. (2018). In2O3 İnce Filmlerin Yapısal Morfolojik Optik ve Elektriksel Özelliklerinin İncelenmesi Gaz Sensörü Uygulamaları. Journal of Polytechnic, 21(2), 265–271.

44. ARSLAN, E., ÖZTÜRK, M., TIRAŞ, E., TIRAŞ, T., ÖZÇELİK, S., & ÖZBAY, E. (2017). 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.

45. DEHIMI, S., LAKHDAR, D., ASAR, T., MEBARKİ, B., & ÖZÇELİK, S. (2017). Modeling and simulation of Zn x Cd 1 x Te ZnTe quantum well structure for laser applications. Optik - International Journal for Light and Electron Optics, 135, 153–159.

46. BOYALI, E., BARAN, V., ASAR, T., ÖZÇELİK, S., & KASAP, M. (2017). Temperature dependent electron transport properties of degenerate SnO2 thin films. Journal of Alloys and Compounds, 692, 119–123.

47. AKÇAY, N., AKIN, N., CÖMERT, B., & ÖZÇELİK, S. (2017). Temperature effects on the structural optical electrical and morphological properties of the RF sputtered Mo thin films. Journal of Materials Science: Materials in Electronics, 28(1), 399–406.

48. KARS DURUKAN, İ., ÖZTÜRK, M., ÇÖREKÇİ, S., TAMER, M., BAŞ, Y., ÖZÇELİK, S., & ÖZBAY, E. (2017). Microstructural Analysis with Graded and Non Graded Indium in InGaN Solar Cell. Journal of Nanoelectronics and Optoelectronics, 12(2), 109–117.

49. SERTEL, T., ÖZEN, Y., TATAROĞLU, A., ASAR, T., AYDIN, S. Ş., & ÖZÇELİK, S. (2017). Electrical Properties of Dilute Nitride GaAsPN GaPN MQW p i n Diode. Journal of Electronic Materials, 46(7), 4590–4595.

50. AKIN SÖNMEZ, N., KINACI, B., ÖZEN, Y., & ÖZÇELİK, S. (2017). 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.

51. ALTUNTAŞ, H., & ÖZÇELİK, S. (2017). Electrical conduction mechanisms in plasma enhanced chemical vapor deposited SiO2 dielectric films. GAZI UNIVERSITY JOURNAL OF SCIENCE, 0–0.

52. KARS DURUKAN, İ., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2017). Analyzing The InGaN LED Structures for White LED Applications. JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI, 0–0.

53. ATAŞER, T., AKIN, N., ZEYBEK, O., & ÖZÇELİK, S. (2016). 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, 18(9–10), 785–792.

54. ASAR, T., KORKMAZ, B., & ÖZÇELİK, S. (2016). Effect of platinum doping on the structural and electrical properties of SnO2 thin films. Journal of Experimental Nanoscience, 11(16), 1285–1306.

55. DEHİMİ, S., DEHİMİ, L., ASAR, T., & ÖZÇELİK, S. (2016). Modelling of a Cd1 xZnxTe ZnTe Single Quantum Well for Laser Diodes. Journal of Electronic Materials, 0–0.

56. CÖMERT, B., AKIN, N., DÖNMEZ, M., SAĞLAM, S., & ÖZÇELİK, S. (2016). Titanium Dioxide Thin Films as Methane Gas Sensors. IEEE Sensors Journal, 16(24), 8890–8896.

57. KALANDARAGH, Y. A., & ÖZÇELİK, S. (2016). Optical characterization of semiconductor CdS nanoparticles formed in polymer matrix. OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 10(7–8), 537–540.

58. ÇÖREKÇİ, S., DUGAN, S., ÖZTÜRK, M., AYDIN, S. Ş., ÇAKMAK, M., ÖZÇELİK, S., & ÖZBAY, E. (2016). Characterization of AlInN AlN GaN Heterostructures with Different AlN Buffer Thickness. Journal of Electronic Materials, 45(7), 3278–3284.

59. TAMER, M., ÖZTÜRK, M., ÇÖREKÇİ, S., BAŞ, Y., GÜLTEKİN, A., KURTULUŞ, G., … ÖZBAY, E. (2016). Structural investigation of AlInN AlN GaN heterostructures. Journal of Materials Science: Materials in Electronics, 27(3), 2852–2859.

60. ESMEKAYA, M. A., ŞENTÜRK, F., KAYHAN, H., TÜYSÜZ, M. Z., TOMRUK, A., ARAL, B. S., … SEYHAN, N. (2016). CuO TiO2 Metal Oxide Nanocomposite Synthesis via Room Temperature Ionic Liquid. Journal of Nanomaterials & Molecular Nanotechnology, 5(1), 0–0.

61. KARS DURUKAN, İ., BAYAL, Ö., KURTULUŞ, G., BAŞ, Y., GÜLTEKİN, A., ÖZTÜRK, M., … ÖZBAY, E. (2015). Examination of the temperature related structural defects of InGaN GaN solar cells. Superlattices and Microstructures, 86, 379–389.

62. ŞAFAK ASAR, Y., ASAR, T., ALTINDAL, Ş., & ÖZÇELİK, S. (2015). Dielectric spectroscopy studies and ac electrical conductivity on AuZn TiO2 p GaAs 110 MIS structures. Philosophical Magazine, 95(26), 2885–2898.

63. ASAR, T., BAŞKÖSE, Ü. C., KIZILKAYA, K., EFKERE, H. İ., & ÖZÇELİK, S. (2015). Efficiency improvement of quantum well solar cell with the AuGeNi metallization and Si3N4 ARC design. Philosophical Magazine, 95(34), 3809–3822.

64. ÖZEN, Y., AKIN, N., KINACI, B., & ÖZÇELİK, S. (2015). Performance evaluation of a GaInP GaAs solar cell structure with the integration of AlGaAs tunnel junction. Solar Energy Materials and Solar Cells, 137, 1–5.

65. AKIN, N., ÖZEN, Y., EFKERE, H. İ., ÇAKMAK, M., & ÖZÇELİK, S. (2015). Surface structure and photoluminescence properties of AZO thin films on polymer substrates. Surface and Interface Analysis, 47(1), 93–98.

66. ŞAFAK ASAR, Y., ASAR, T., ALTINDAL, Ş., & ÖZÇELİK, S. (2015). Investigation of dielectric relaxation and ac electrical conductivity using impedance spectroscopy method in AuZn TiO2 p GaAs 110 schottky barrier diodes. Journal of Alloys and Compounds, 628, 442–449.

67. ASAR, T., & ÖZÇELİK, S. (2015). Barrier enhancement of Ge MSM IR photodetector with Ge layer optimization. Superlattices and Microstructures, 88, 685–694.

68. Pashaei, P., AKIN, N., BAŞKÖSE, Ü. C., ÖZTÜRK, M., ÇAKMAK, M., & ÖZÇELİK, S. (2015). Influence of substrate temperature on structural and optical properties of RF sputtered ZnMnO thin films. Semiconductors, 49(6), 780–784.

69. AKIN, N., BAŞKÖSE, Ü. C., KINACI, B., ÇAKMAK, M., & ÖZÇELİK, S. (2015). AZO thin film based UV sensors effects of RF power on the films. Applied Physics A, 119(3), 965–970.

70. CEYLAN, A., Gumrukcu, A. E., AKIN, N., ÖZCAN, Ş., & ÖZÇELİK, S. (2015). Formation of ST12 phase Ge nanoparticles in ZnO thin films. Materials Science in Semiconductor Processing, 40, 407–411.

71. GÜLTEKİN, A., ÖZTÜRK, M., TAMER, M., BAŞ, Y., & ÖZÇELİK, S. (2015). The Study of Structural Electronic Elastic and Optical Properties of Be1 XZnxSe Alloys. GAZI UNIVERSITY JOURNAL OF SCIENCE, 0–0.

72. ÖZTÜRK, M., ÇÖREKÇİ, S., TAMER, M., AYDIN, S. Ş., ÖZÇELİK, S., & ÖZBAY, E. (2014). Microstructural properties of InGaN GaN light emitting diode structures with different In content grown by MOCVD. Applied Physics A, 114(4), 1215–1221.

73. KARS DURUKAN, İ., ÇALIŞKAN, S., ÇETE, S., ÇEVRİMLİ, B. S., KINACI, B., ÖZEN, Y., … ÖZÇELİK, S. (2014). Preparation of RF sputtered AZO Au thin film hydrogen peroxide sensitive electrode for utilization as a biosensor. Journal of Materials Science: Materials in Electronics, 25(7), 3154–3159.

74. KINACI, B., AKIN, N., KARS DURUKAN, İ., MEMMEDLİ, T., & ÖZÇELİK, S. (2014). The study on characterizations of SrTiO3 thin films with different growth temperatures. Superlattices and Microstructures, 76, 234–243.

75. ILGAZ, A., GÖKDEN, S., TÜLEK, R., TEKE, A., ÖZÇELİK, S., & ÖZBAY, E. (2014). Temperature dependent hot electron transport in slightly lattice mismatched AlInN AlN GaN heterostructures. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 16(9–10), 1008–1014.

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77. KINACI, B., ÖZEN, Y., ASAR, T., AYDIN, S. Ş., MEMMEDLI, T., KASAP, M., & ÖZÇELİK, S. (2013). Study on growth and characterizations of GaxIn1 xP GaAs solar cell structure. J. Mater. Sci-Mater. El., 24(9), 3269–3274.

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82. ÖZTÜRK, M., ARSLAN, E., KARS, I., ÖZÇELİK, S., & ÖZBAY, E. (2013). 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.

83. ALTUNTAŞ, H., & ÖZÇELİK, S. (2013). The analysis of leakage current in MIS Au SiO2 n GaAs at room temperature. Semiconductors, 47(10), 1308–1311.

84. KARS DURUKAN, İ., ÖZEN, Y., KIZILKAYA, K., ÖZTÜRK, M., MEMMEDLI, T., & ÖZÇELİK, S. (2013). 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.

85. KINACI, B., ÖZEN, Y., KIZILKAYA, K., ASAR, T., AYDIN, S. Ş., BOYALI, E., … ÖZÇELİK, S. (2013). 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.

86. AKIN, N., AYDIN, S. Ş., ÇAKMAK, M., MEMMEDLI, T., & ÖZÇELİK, S. (2013). 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.

87. AYDIN, S. Ş., USLU, I., AYTIMUR, A., & ÖZÇELİK, S. (2012). Characterization of Mg doped ZnO nanocrystallites prepared via electrospinning. Ceram. Int., 38(5), 4201–4208.

88. ÇETİN, S. Ş., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2012). Strain analysis of InGaN GaN multi quantum well LED structures. CRYSTAL RESEARCH AND TECHNOLOGY, 0–0.

89. ÇÖREKÇİ, S., ÖZTÜRK, M., ÇAKMAK, M., ÖZÇELİK, S., & ÖZBAY, E. (2012). The influence of thickness and ammonia flow rate on the properties of AlN layers. Mat. Sci. Semicon. Proc., 15(1), 32–36.

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94. KELEKCI, O., TUNAY TAŞLI, P., YU, H., KASAP, M., ÖZÇELİK, S., & ÖZBAY, E. (2012). 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.

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96. KINACI, B., AYDIN, S. Ş., BENGI, A., & ÖZÇELİK, S. (2012). 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.

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106. KINACI, B., ASAR, T., OZEN, Y., & ÖZÇELİK, S. (2011). The analysis of Au TiO2 n Si Schottky barrier diode at high temperatures using I V characteristics. Optoelectron. Adv. Mat., 5(3–4), 434–443.

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163. KORUCU, D., ALTINDAL, Ş., MAMMADOV, T., & ÖZÇELİK, S. (2008). Temperature dependent behavior of Sn p InP Schottky barrier diodes. Optoelectron. Adv. Mat., 2(12), 766–769.

164. HUBBEZOGLU, I., AKAOĞLU, B., DOGAN, A., KESKIN, S., BOLAYIR, G., ÖZÇELİK, S., & DOGAN, O. (2008). Effect of bleaching on color change and refractive index of dental composite resins. Dent. Mater. J, 27(1), 105–116.

165. DOGAN, A., ÖZÇELİK, S., DOGAN, O., HUBBEZOGLU, I., ÇAKMAK, M., & BOLAYIR, M. (2008). Effect of Bleaching on Roughness of Dental Composite Resins. J. Adhesion, 84(11), 899–916.

166. TEKELI, Z., ALTINDAL, Ş., ÇAKMAK, M., ÖZÇELİK, S., & ÖZBAY, E. (2008). 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.

167. ÖZTÜRK, M., & ÖZÇELİK, S. (2008). Elastic scattering of ultra cold bosonic Fr isotopes. Journal of the Korean Physical Society, 52(2), 254–258.

168. VURDU, C. D., ÖZÇELİK, S., & GUVENC, Z. (2007). Quasiclassical studies of Eley Rideal and hot atom reactions on a surface at 94 K H D D H Cu 111 . Surf. Sci., 601(18), 3745–3749.

169. LİŞESİVDİN, S. B., YILDIZ, A., ACAR, S., KASAP, M., ÖZÇELİK, S., & ÖZBAY, E. (2007). Electronic transport characterization of AlGaN GaN heterostructures using quantitative mobility spectrum analysis. Appl. Phys. Lett, 91(10), 102113–0.

170. KORCAK, S., ÖZTÜRK, M., ÇÖREKÇİ, S., AKAOĞLU, B., YU, H., ÇAKMAK, M., … ÖZBAY, E. (2007). Structural and optical properties of an InxGa1 xN GaN nanostructure. Surf. Sci., 601(18), 3892–3897.

171. SALAMOV, B., ÖZÇELİK, S., INALOZ, A., & MAMMADOV, T. (2007). Study of light emission amplification in a semiconductor gas discharge system. J. Phys. D Appl. Phys, 40(21), 6657–6668.

172. UZEL, A., DURMUŞ, P., ÇAKMAK, M., & ÖZÇELİK, S. (2007). 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.

173. BENGİ, A., ALTINDAL, Ş., ÖZÇELİK, S., & MAMMADOV, T. (2007). Gaussian distribution of inhomogeneous barrier height in Al0 24Ga0 76As GaAs structures. Physica B, 396(1–2), 22–28.

174. LİŞESİVDİN, S. B., ACAR, S., KASAP, M., ÖZÇELİK, S., GOKDEN, S., & ÖZBAY, E. (2007). Scattering analysis of 2DEG carrier extracted by QMSA in undoped Al0 25Ga0 75N GaN heterostructures. Semicond. Sci. Tech, 22(5), 543–548.

175. LİŞESİVDİN, B., YILDIZ, A., ACAR, S., KASAP, M., ÖZÇELİK, S., & ÖZBAY, E. (2007). The effect of strain relaxation on electron transport in undoped Al0 25Ga0 75N GaN heterostructures. Physica B, 399(2), 132–137.

176. ÇÖREKÇİ, S., ÖZTÜRK, M., AKAOGLU, B., ÇAKMAK, M., ÖZÇELİK, S., & ÖZBAY, E. (2007). Structural morphological and optical properties of AlGaN GaN heterostructures with AlN buffer and interlayer. J. Appl. Phys, 101(12), 123502–0.

177. TEKELI, Z., ALTINDAL, Ş., ÇAKMAK, M., ÖZÇELİK, S., CALISKAN, D., & ÖZBAY, E. (2007). 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), 54510–0.

178. ÖZBAY, A., SAĞLAM, S., SERTBAKAN, T. R., KASAP, M., & ÖZÇELİK, S. (2007). Infrared spectroscopic study on the Hofmann dadn type and the T d dahxn type clathrates. J. Incl. Phenom. Macro, 58(1–2), 49–54.

179. ÖZTÜRK, M., & ÖZÇELİK, S. (2006). Calculation of elastic scattering properties in ultracold Fermi Bose and Bose Bose Rb K vapor. J. Phys. Soc. Jpn, 75(3), 34301–0.

180. YU, H., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2006). A study of semi insulating GaN grown on AlN buffer sapphire substrate by metalorganic chemical vapor deposition. J. Cryst. Growth, 293(2), 273–277.

181. ÖZTÜRK, M., & ÖZÇELİK, S. (2005). Scattering of ultracold potassium atoms in the triplet state. Chinese J. Phys, 43(2), 337–348.

182. BÖYÜKATA, M., GUVENC, Z., ÖZÇELİK, S., DURMUŞ, P., & JELLINEK, J. (2005). Reaction dynamics of Ni n n 19 and 20 with D 2 Dependence on cluster size temperature and initial rovibrational states of the molecule. Int. J. Mod. Phys, 16(2), 295–308.

183. ACAR, S., KASAP, M., ISIK, B., ÖZÇELİK, S., TUGLUOGLU, N., & KARADENIZ, S. (2005). Quantitative mobility spectrum analysis for determination of electron and magneto transport properties of Te doped GaSb. Chinese Phys. Lett., 22(9), 2363–2366.

184. ÖZTÜRK, M., & ÖZÇELİK, S. (2005). Calculations of the elastic scattering properties of ultra cold francium isotopes. J. Low Temp. Phys, 138(5–6), 1093–1104.

185. KASAP, M., ACAR, S., ÖZÇELİK, S., KARADENIZ, S., & TUGLUOGLU, N. (2005). Temperature dependent galvanomagnetic measurements on doped InSb and InAs grown by liquid encapsulated Czochralski. Chinese Phys. Lett, 22(5), 1218–1221.

186. ÖZÇELİK, S., GUVENC, Z., DURMUŞ, P., & JELLINEK, J. (2004). Reactivity of the Ni n T n 54 55 56 clusters with D 2 v j molecule molecular dynamics simulations. Surf. Sci, 566, 377–382.

187. KARABACAK, M., ÖZÇELİK, S., & GUVENC, Z. (2004). Dynamics of phase changes and melting of Pd 7 clusters. Acta Phys. Slovaca, 54(3), 233–243.

188. ÖZTÜRK, M., & ÖZÇELİK, S. (2004). Calculation of elastic scattering properties in an ultra cold Rb 85 Rb 85 vapour. Chinese Phys. Lett, 21(12), 2395–2398.

189. SERTBAKAN, T. R., SAĞLAM, S., ÖZBAY, A., & ÖZÇELİK, S. (2004). Investigation of host guest interactions in the Hofmann daddn type clathrates M 1 12 diaminododecane Ni CN 4 center dot G M Co Ni or Cd G toluene m xylene o xylene or p xylene . J. Incl. Phenom. Macro, 49(3–4), 235–240.

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191. ÖZÇELİK, S., & SEZGIN, H. (2003). Vibrational spectroscopic studies on the Hofmann type clathrates M 1 6 diaminohexane Ni CN 4 center dot G M Co Ni or Cd G chlorobenzene 1 2 1 3 or 1 4 dichlorobenzene . J. Incl. Phenom. Macro, 45(3–4), 185–189.

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202. ÖZÇELİK, S., AKÇAY, N., & TIVANOV, M. (2019). Fabrication and Properties of Molybdenum Disulfide Films for Electro Optical Applications. Presented at the International Conference Nanomeeting 2019, Minsk.

203. AKÇAY, N., ÖZÇELİK, S., ZARETSKAYA, E. P., & Juskenas, R. (2019). Characteristics of CZTSSe thin films prepared by selenization of sputtered Cu Sn and ZnS layers. Presented at the International Conference Nanomeeting 2019, Minsk.

204. ATAŞER, T., ASAR, T., & ÖZÇELİK, S. (2016). Single Junction GaAs Solar Cell. Presented at the Turkish Physical Society 32nd International Physics Congress (TFD32), MUĞLA.

205. ÇETİN, S. Ş., KIZILKAYA, K., & ÖZÇELİK, S. (2012). Structural investigation and electronic band transitions of the TiO2 thin films. Presented at the SOLARTR-2 Solar Electricity ConferenceExhibition, ANTALYA.

206. ATAŞER, T., ÖZTÜRK, M., ZEYBEK, O., & ÖZÇELİK, S. (2017). Üç eklemli GaInP GaInAs Ge Güneş Hücresinin Analitik Güneş Hücre Modeli ile İncelenmesi. Presented at the 23. Yoğun Madde Fiziği Toplantısı .

207. EFKERE, H. İ., KIZILKAYA, K., ASAR, T., ÖZEN, Y., KINACI, B., YILDIRIM, S., & ÖZÇELİK, S. (2013). The electrical properties of the TiO2 Ar coated InGaAs GaAs SLSCs. Presented at the Turkish Physical Society 30th International Physics Congress, İSTANBUL.

208. AKÇAY, N., GREMENOK, V. F., ZARETSKAYA, E. P., & ÖZÇELİK, S. (2019). Fabrication of Ternary Cu2SnS3 Thin Films by Sulfurization of Sputtered Stacked Metallic Precursors. Presented at the Turkish Physical Society 35th International Physics Congress (TFD 35), Bodrum, Muğla.

209. SAĞLAM, S., ALTUNTAŞ, H., MAMMADOV, T., & ÖZÇELİK, S. (2007). MBE Growth and Characzation of In0 17Ga0 83As GaAs Qwıp Structure. Presented at the Sixth International Conference Microelectronic Tranformers and Devices on their Basis, BAKÜ.

210. AKIN SÖNMEZ, N., KIZILKAYA, K., ÇAKMAK, M., MEMMEDLİ, T., & ÖZÇELİK, S. (2011). SrTiO3 p Si 100 structure produced by magnetron sputtering method and the AFM analysis of surface properties depend on the substrate temperature. Presented at the Turkish Physical Society 28th International Physics Congress, BODRUM, MUĞLA.

211. ÖZKÖK, Y., AKIN SÖNMEZ, N., BARAN, V., ÖZTÜRK, M., ÇAKMAK, M., & ÖZÇELİK, S. (2017). Reaktif Püskürtme Yöntemiyle Elde Edilen TiN ve TiNxOy İnce Filmlerin yapısal ve elektriksel Özellikleri. Presented at the 23. Yoğun Madde Fiziği Toplantısı .

212. KORKMAZ, B., BOYALI, E., ASAR, T., CÖMERT, B., AKIN SÖNMEZ, N., ÇETİN, S. Ş., & ÖZÇELİK, S. (2015). Pt Katkılı SnO2 İnce Filmlerin Eş Püskürtme Tekniği ile Geliştirilmesi Yapısal Morfolojik ve Optik Karakterizasyon. Presented at the 21. Yoğun Madde Fiziği Ankara Toplantısı .

213. AKIN SÖNMEZ, N., AKÇAY, N., ÖZEN, Y., KINACI, B., SÜRÜCÜ, G., & ÖZÇELİK, S. (2015). Reaktif Büyütülen Mg0 40Zn0 60O İnce Filmlerin Karakterizasyonları. Presented at the 21. Yoğun Madde Fiziği Ankara Toplantısı .

214. DÖNMEZ, M., AKIN SÖNMEZ, N., ÇAKMAK, M., & ÖZÇELİK, S. (2018). V2O5 Ti V2O5 Multilayer Structure for Light Detector Applications. Presented at the 1st Light and Light-Based Technologies Workshop .

215. DOĞAN, Ş., AKIN SÖNMEZ, N., BAŞKÖSE, Ü. C., MEMMEDLİ, T., & ÖZÇELİK, S. (2013). Gözenekli silikon üretimi ve özellikleri. Presented at the 19. Yoğun Madde Fiziği Ankara Toplantısı .

216. ÖZÇELİK, S., ASAR, T., AYDEMİR, U., KINACI, B., BENGİ, A., ÇETİN, S. Ş., … MAMMADOV, T. (2009). GaInP GaAs ve Si Güneş Pillerinin Üretilmesi. Presented at the NuclearRenewable Energy Resources Conference with International Participation, ANKARA.

217. BAŞKÖSE, Ü. C., SAĞLAM, S., & ÖZÇELİK, S. (2013). Yansıma Engelleyici Silisyum Nitrür Si3N4 İnce Film Tabakanın Galyum Arsenik GaAs Alttaş Üzerine Kaplanması ve Karakterizasyonu. Presented at the 19. Yoğun Madde Fiziği Ankara Toplantısı .

218. ATAŞER, T., ÖZEN, Y., ÖZTÜRK, M., ZEYBEK, O., & ÖZÇELİK, S. (2016). İki Eklemli GaInP GaAs Güneş Hücresinin Yapısal Analizi. Presented at the 22. Yoğun Madde Fiziği Ankara Toplantısı .

219. CÖMERT, B., AKIN SÖNMEZ, N., DÖNMEZ, M., & ÖZÇELİK, S. (2015). TiO2 İnce Film Gaz Sensörlerinin Geliştirilmesi. Presented at the 21. Yoğun Madde Fiziği Ankara Toplantısı .

220. DÖNMEZ, M., AKIN SÖNMEZ, N., CÖMERT, B., ÇAKMAK, M., & ÖZÇELİK, S. (2015). Esnek ve Katı Alttaşlar Üzerine Farklı RF Güçlerinde Kaplanan V2O5 İnce Filmlerin Yapısal Morfolojik ve Optiksel Analizleri. Presented at the 21. Yoğun Madde Fiziği Ankara Toplantısı.

221. DURMUŞ, P., ÖZÇELİK, S., & GÜVENÇ, Z. (1998). Moleküler Dinamik Metodu kullanarak Topak ve Iki atomlu Molekül Etkileşmesi D2 Ni19. Presented at the II Ulusal Atom ve Molekül Fiziği Sempozyumu .

222. ASAR, T., KARACA, A., SAĞLAM, S., & ÖZÇELİK, S. (2017). The Improvement of the Optical Transmissionon the Sb doped Ge Optical Window with ZnS ARC. Presented at the Italian Crystal Growth Conference (ICG2017), MILANO.

223. DURMUŞ, P., ÖZÇELİK, S., GÜVENÇ, Z., & JELLINEK, J. (2000). D2Ni19 Collision System Reactive and Nonreactive Channels. Presented at the TFD-19 Türk Fizik Derneği 19. Fizik Kongresi .

224. AKÇAY, N., & ÖZÇELİK, S. (2017). CZTS Güneş Hücreleri için Pencere Katmanının Oluşturulması RF Magnetron Püskürtme Tekniği ile Biriktirilen i ZnO SLG AZO SLG ve AZO i ZnO SLG Yapılarının Özelliklerinin İncelenmesi. Presented at the 23. Yoğun Madde Fiziği Toplantısı .

225. KARABACAK, M., BÖYÜKATA, M., ÖZÇELİK, S., GÜVENÇ, D., & GÜVENÇ, Z. (1999). Mikro Pdn Topaklarının Minimum Enerji Yapıları ve Dağılım Fonksiyonlarının Belirlenmesi. Presented at the TFD-18 Türk Fizik Derneği 18. Fizik Kongresi .

226. SERTEL, T., ÖZEN, Y., AKIN SÖNMEZ, N., ASAR, T., & ÖZÇELİK, S. (2018). Effect of Proton Radiation on Multi Junction III V Space Solar Cells. Presented at the 1st Light and Light-Based Technologies Workshop .

227. EFKERE, H. İ., ASAR, T., BAŞKÖSE, Ü. C., KORKMAZ, B., SERTEL, T., ÇETİN, S. Ş., & ÖZÇELİK, S. (2014). SnO2 Yansıma Önleyici Kaplamanın InGaAs GaAs Süperörgü Yapılarının Optik ve Elektriksel Özelliklerine Etkisi. Presented at the 20. Yoğun Madde Fiziği Ankara Toplantısı .

228. CEYLAN, A., GÜMRÜKÇÜ, A. E., AKIN SÖNMEZ, N., ÖZCAN, Ş., & ÖZÇELİK, S. (2015). Formation of ST12 phase Ge nanoparticles in ZnO thin films. Presented at the NanoTR 11 (11th Nanoscience and Nanotechnology Conference), ANKARA.

229. KARABACAK, M., BÖYÜKATA, M., ÖZÇELİK, S., & GÜVENÇ, Z. (2000). Melting of Small Palladium Clusters. Presented at the III. Ulusal Atom ve Molekül Fiziği Sempozyumu .

230. SERTEL, T., CÖMERT, B., EFKERE, H. İ., AKIN SÖNMEZ, N., & ÖZÇELİK, S. (2018). The Study on Anti Reflective Properties of Ta2O5 Thin Film Deposited on Different Substrates. Presented at the 1st Light and Light-Based Technologies Workshop .

231. ÇETİN, S. Ş., EFKERE, H. İ., SERTEL, T., TATAROĞLU, A., & ÖZÇELİK, S. (2018). Dielectric Properties of MOS Device Based on TiO2 SiO2 Oxide Layer. Presented at the Seventh Bozok Science Workshop: Boron and Boron Containing Nanomaterials with Applications, YOZGAT.

232. ERENLER, B., AKÇAY, N., ÖZEN, Y., & ÖZÇELİK, S. (2019). İnce Film Güneş Hücreleri için Tampon Tabaka In2S3 Filmlerinin RF Magnetron Püskürtme Yöntemi ile Geliştirilmesi. Presented at the 25. Yoğun Madde Fiziği Ankara Toplantısı, ANKARA.

233. KINACI, B., MUHAMMETGULYYEV, A., ÖZEN, Y., AKIN SÖNMEZ, N., & ÖZÇELİK, S. (2017). Design of High Efficiency GaInP GaAs Solar Cell Using Drift Diffusion Theory. Presented at the Turkish Physical Society 33th International Physics Congress (TFD33) .

234. AKPINAR, Ö., ÖZTÜRK, M., ÖZEN, Y., GÜLTEKİN, A., DURMAZ, Y., ÖZÇELİK, S., & ÖZBAY, E. (2017). Stress Induced Reciprocal Space Mapping of InGaN LED Structure. Presented at the Turkish Physical Society 33th International Physics Congress (TFD33) .

235. SARIASLAN, O., ÖZTÜRK, M., DEMİR, D., ALYAR, H., ÇAKMAK, M., ARSLAN, E., … ÖZBAY, E. (2017). SiC Alttaş Üzerine Büyütülen Yarı Yalıtkan GaN Tanpon Tabakanın Willamson Hall Modelleriyle Araştırılması. Presented at the 23. Yoğun Madde Fiziği Toplantısı .

236. ÇETİN, S. Ş., ASAR, T., KINACI, B., ÖZEN, Y., MEMMEDLİ, T., & ÖZÇELİK, S. (2012). Optical and Structural Properties of GaxIn1 xP Alloys Grown on Different Substrate. Presented at the SOLARTR-2 Solar Electricity ConferenceExhibition, ANTALYA.

237. ERENLER, B., AKÇAY, N., TIVANOV, M., & ÖZÇELİK, S. (2019). Characterization of MoS2 thin films on SiO2 Si substrates prepared by sulfurization of sputtered Mo precursors. Presented at the Turkish Physical Society 35th International Physics Congress (TFD 35), Bodrum, Muğla.

238. KINACI, B., ÖZEN, Y., ÇETİN, S. Ş., MEMMEDLİ, T., & ÖZÇELİK, S. (2011). The structural and optical properties of GaInP GaAs structure. Presented at the International Student Workshop on Condensed Matter and Materials Pyhsics, ANTALYA.

239. BİLGİLİ, A. K., AKPINAR, Ö., GÜLTEKİN, A., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2017). MOCVD ile büyütülen InGaN GaN Diyot Yapıların a c örgü Parametreleri Gerilme ve Stress Analizleri ve Isısal Genleşme Katsayıları. Presented at the 23. Yoğun Madde Fiziği Toplantısı .

240. ÇAT, Y., BARAN, V., ASAR, T., ÇETİN, S. Ş., MEMMEDLİ, T., & ÖZÇELİK, S. (2013). Hacimli Tek Kristal Ge Büyütülmesi ve Optik Karakterizasyonu. Presented at the 19. Yoğun Madde Fiziği Ankara Toplantısı .

241. CÖMERT, B., ÖZEN, Y., AKIN SÖNMEZ, N., YAMAN, A. D., DÖNMEZ, M., & ÖZÇELİK, S. (2016). ITO PET ve PET Esnek Alttaşlar Üzerine Kaplanan TiO2 İnce Filmlerin Karakterizasyonu. Presented at the 22. Yoğun Madde Fiziği Ankara Toplantısı .

242. CÖMERT, B., ÖZEN, Y., AKIN SÖNMEZ, N., YAMAN, A. D., DÖNMEZ, M., & ÖZÇELİK, S. (2016). ITO PET ve PET Esnek Alttaşlar Üzerine Kaplanan TiO2 İnce Filmlerin Karakterizasyonu. Presented at the 22. Yoğun Madde Fiziği Ankara Toplantısı .

243. ÖZÇELİK, S., DURMUŞ, P., & GÜVENÇ, Z. (1997). Dissociative Chemisorption of D2 on a Ni14 clusters A quasiclassical molecular Dynamics Study. Presented at the Int. Symposıum on Lasers, Atomic and Molecular Physics, İSTANBUL.

244. GÜVENÇ, Z., VURDU, C. D., & ÖZÇELİK, S. (2004). Quasiclassical Studies of Eley Ridel and Hot Atom Reactions on H D Covered Cu 111 surface Effects of Lattice Motion. Presented at the IVC-16 Int. Vacuum Congress,Int. Conf. On Solid Surfaces,NANO-8, VENEDİK.

245. ÇETİN, S. Ş., SERTEL, T., ASAR, T., & ÖZÇELİK, S. (2016). GaP Si Yapılarının MBE Tekniği ile Büyütülmesi ve Karakterizasyonları. Presented at the Adım Fizik Günleri V .

246. ÇAT, Y., BARAN, V., KASAP, M., & ÖZÇELİK, S. (2016). Germanyum Kızıl Ötesi Optik Pencereler ve Elektromanyetik Girişim. Presented at the 22. Yoğun Madde Fiziği Ankara Toplantısı .

247. GAHRAMANOVA, G., ÇAT, Y., BAŞKÖSE, Ü. C., CÖMERT, B., JABBAROV, R., & ÖZÇELİK, S. (2018). Investigation of A CVD Growth MWCNTS on Sapphire Substrate. Presented at the 20. Ulusal Optik, Elektro-Optik ve Fotonik Çalıştayı (Fotonik 2018) .

248. BOYALI, E., KORKMAZ, B., SERTEL, T., EFKERE, H. İ., ÖZEN, Y., ÇETİN, S. Ş., … KASAP, M. (2016). Pt Metal Kümelerin Katkısız SnO2 Sensör Yapılarının Algılama Özelliklerine Etkisi. Presented at the 22. Yoğun Madde Fiziği Ankara Toplantısı .

249. AKIN SÖNMEZ, N., CÖMERT, B., DÖNMEZ, M., ÖZEN, Y., BOYALI, E., KINACI, B., … ÖZÇELİK, S. (2015). The study on characterizations of sputtered GZO thin films with different RF power. Presented at the NanoTR 11 (11th Nanoscience and Nanotechnology Conference), ANKARA.

250. ÇÖREKÇİ, S., DUGAN, S., YAVUZ, T., ÖZTÜRK, M., AKIN SÖNMEZ, N., ÖZÇELİK, S., & ÖZBAY, E. (2015). AlInN AlN GaN Heteroyapıların Yüzey ve Arayüzey Özellikleri. Presented at the 21. Yoğun Madde Fiziği Ankara Toplantısı .

251. ÖZEN, Y., & ÖZÇELİK, S. (2016). Development of III V Group Solar Cell and Pruduction of Concentrators Photovoltaic Modules Prototype. Presented at the 2nd International Congres on The World of Technology and Advanced Materials (WITAM2016), KIRŞEHİR.

252. AKPINAR, Ö., BİLGİLİ, A. K., ÖZTÜRK, M., ÖZÇELİK, S., & ÖZBAY, E. (2019). Investigation of Structural Optical and Electrical Peoperties of Al0 3Ga0 7N GaN HEMT Grown by MOCVD. Presented at the 21. Ulusal Optik, Elektro-Optik ve Fotonik Çalıştayı (FOTONİK 2019), İSTANBUL.

PROJECTS DIRECTED 1. Development of technology for growing of single crystals α-KY(WO4)2:Tm+3 for laser devices with passive Q-switching. International Bilateral Cooperation, 2020-Present

2. Photonic Materials and Electro-Optical Device Development, Ministry of Development, 2019-Present

3. Investigation of Cu2SnS3 Absorbent Films for the Development of In2S3 buffer Layered Thin Film Solar Cells, International Bilateral Cooperation, 2018-Present

4. Development of sapphire crystal for missile applications, Private Company, 2018-Present

5. Development of electro-optical properties of very thin silver films for Functional Surfaces, TÜBİTAK, 2018-Present

6. Investigation of Composition Effect on Structural Optical and Electrical Properties of Cu2ZnSn SxSe1-x Thin Films for Optoelectronic Devices, International Bilateral Cooperation, 2016-2018

7. Space Qualified Solar Cell Development, National Foundation, 2016-Currently

8. Development of Photonics Application and Research Infrastructure, Ministry of Development, 2016-Currently

9. Ge Alttaş and Optical Window Development, TÜBİTAK, 2015-2017

10. Development of Gas Sensor for detecting gases such as metal oxide based LPG Natural Gas CO, Ministry of Industry, 2014-2016

11. Epitaxial Growth Mechanisms of Dilute Nitrogenous Structures and Led Device Fabrication, TÜBİTAK, 2014-2018 (Consultant)

12. ZnO Based UV Detector Development and Prototype Production, Ministry of Industry, 2014-2016

13. Germanium Single Crystal Development Studies for Infrared Optical Elements, National Foundation, 2012-2013

14. Growth and Characterization of Epitaxial Ge GaAs and InGaP for photovoltaic and thermophotovoltaic applications, TÜBİTAK, 2012-2014 (Researcher)

15. Establishment of Photonics Research Center and Development of Photonic device prototypes, Ministry of Development, 2011-2014

16. Modeling III Group V Bipolar and Quantum Well Solar Cells Epitaxial Growth and Development of Solar Cells, TÜBİTAK, 2010-2013

17. Acquisition of Production Technology of Tri-joint Solar Cells and Model Module Production, Ministry of Industry, 2010-2013

18. Production of TiO2 films and Dye Sensitive Solar Cells, National Association, 2010-2012

19. MOVPE growth and characterization of epitaxial Germanium for infrared photovoltaic and sensor applications, TÜBİTAK, 2010-2012 (Researcher)

20. GaxIn1 xP GaAs Quantum Well Solar Cell QWSC Production, National Foundation, 2010-2012

21. Dilute Nitrites for Tandem Solar Cells, International Organization, 2009-2011

22. Multiple Quantum Well InGaN GaN LED Production and Investigation of Optical Properties, National Foundation, 2009-2010

23. Epitaxial Production and Characterization of Infrared AlGaAs Laser Diode materials, TÜBİTAK, 2008-2010

24. Studies on the Production and Characterization of Nanostructured TiO2 Thin Films with Applications in Environmental Physics, TÜBİTAK, 2008-2010 (Researcher)

25. Investigation of Optical Properties of AlxGa1 xAs GaAs 100 Quantum Wells, National Foundation, 2008-2009

26. Minimum Energy Geometries of Cu(n=60) atomic clusters and Investigation of Phase Transitions, National Foundation, 2003-2004

27. Infrastructure Project for Semiconductor Materials Research Laboratory, National Foundation, 2003-2004

28. Development and Characterization of Layered Semiconductor Pearl Films, Ministry of Development, 2003-2005

29. Investigation of Structure of Cu Atomic Soils and Melting Dynamics, National Foundation, 2002-2003

30. The Structure of Pd and Cu Atomic Aggregates and Investigation of Phase Transitions, National Foundation, 2001-2002

31. Advanced Research and Training Program, Ministry of Development, 2001-2008

32. Potential Energy Functions and Their Uses in Physics, TÜBİTAK, 1995-1998 (Researcher)

REGISTERED PATENTS 1. Süleyman Özçelik, Emre Erbay, LED Street Lighting Fixture, National Patent, 2019