Publications


SCI-Articles

2015

7) B. Sarikavak-Lisesivdin, S. B. Lisesivdin, N. Balkan, G. Atmaca, P. Narin, H. Cakmak, E. Ozbay “Energy relaxation of electrons in InGaN quantum wells” Metallurgical and Materials Transactions A, Volume 46, Issue 4, pp 1565-1569 (2015).

6) G. Atmaca, P. Narin, B. Sarikavak-Lisesivdin, S. B. Lisesivdin, M. Kasap “Electron Transport Properties of Two Dimensional Electron Gas in BexZn1-xO/ZnO Heterostructures” Philosophical Magazine Vol. 95, No. 1, 79–89 (2015).

5) G. Atmaca, P. Tasli, G. Karakoc, E. Yazbahar and S. B. Lisesivdin “Numerical Investigation of the 2DEG Properties of AlGaN/AlN/GaN HEMT Structures with InGaN/GaN MQW Back-Barrier Structure” Physica E 65, 110 (2015).

2014

4) S. B. Lisesivdin, G. Atmaca, E. Arslan, S. Cakmakyapan, O. Kazar, S. Butun, Jawad-ul-Hassan, E. Janzén and E. Ozbay “Extraction and scattering analyses of 2D and bulk carriers in epitaxial graphene-on-SiC structure” Physica E 63, 87 (2014).

2013

3) K. Elibol, G. Atmaca, P. Tasli and S. B. Lisesivdin “A Numerical Study on Subband Structure of InxAl1-xN/GaN-Based HEMT Structures with Low-Indium (x<0.10) Barrier Layer” Solid State Commun. 162, 8 (2013).

2010

2) P. Tasli, B. Sarikavak, G. Atmaca, K. Elibol, A. F. Kuloglu and S. B. Lisesivdin “Numerical Simulation of Novel Ultrathin Barrier n-GaN/InAlN/AlN/GaN HEMT Structures: Effect of In Mole Fraction, Doping and Layer Thicknesses” Physica B 405, 4020 (2010).

2009

1) 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)” J. Optoelectron. Adv. Mater. 11, 578 (2009).

Proceedings

2014

25) E. Kutlu, P. Narin, G. Atmaca, B. Sarikavak-Lisesivdin, S. B. Lisesivdin “Ab initio study of oxygen and arsenic impurities on non-linear optical properties of β–Si3N4 material” Конференция И Школа Молодых Учёных По Актуальным Проблемам Физики Полупроводниковых Структур, Novosibirsk, 77, (2014).

24) G. Atmaca, A. E. Evrensel, S. B. Lisesivdin “Influence of interface traps on device performance of AlGaN/GaN HEMTS with Si3N4 passivation” Turkish Physical Society 31th International Physics Congress, p371 (2014).

23) E. Kutlu, P.Narin, G. Atmaca, S. B. Lisesivdin, M. Kasap “Investigation of electrical properties of two dimensional hole gas in hybrid InGaN/ZnO heterotructure” Turkish Physical Society 31th International Physics Congress, p401 (2014).

22) S. B. Lisesivdin, E. Kutlu, P. Narin, G. Atmaca, B. Sarikavak-Lisesivdin, “Investigation of the effect of the arsenic impurity on the electronic and optical properties of β–Si3N4 dielectric material” Turkish Physical Society 31th International Physics Congress, p402 (2014).

21) P. Narin, G. Atmaca, S. B. Lisesivdin, “Effects of ultrathin InGaN channel layer on two dimensional electron gas in hybrid GaN/InGaN/ZnO heterostructures” Turkish Physical Society 31th International Physics Congress, p406 (2014).

2013

20) S. B. Lisesivdin, G. Atmaca, E. Arslan, J. Ul-Hassan, E. Janzén, E. Ozbay “SiC üzerine büyütülen grafen yapılarda elektriksel iletim kanallarının ayrıştırılıp incelenmesi XIX. Solid State Matter Physics Ankara Meeting, S13, (2013). [Invited].

19) P. Narin, G. Atmaca, E. Boyalı, S. B. Lisesivdin, M. Kasap, S. Ozcelik, “Scattering Analysis of 2DEG in AlInN/GaN Based Heterostructures with GaN and InGaN Quantum Wells”, Turkish Physical Society 30th International Physics Congress, p530 (2013).

18) E. Boyalı, P. Narin, G. Atmaca, S. B. Lisesivdin, M. Kasap and S. Ozcelik, “The Investigation of Temperature Dependent Electrical Transport Properties of InxGa1-xP/GaAs”, Turkish Physical Society 30th International Physics Congress, p482 (2013).

17) P. Narin, G. Atmaca, B. Sarıkavak-Lisesivdin, S. B. Lisesivdin, M. Kasap, “A Numerical Investigation on Electronic Properties of Two Dimensional Electron Gas in BexZn1-xO/ZnO Heterostructures”, Turkish Physical Society 30th International Physics Congress, p529 (2013).

2012

16) G. Atmaca, P. Tunay Taşlı, S. B. Lişesivdin, “Electron Confinement in Lattice-Matched InAlN/AlN/GaN Heterostructures with AlyGa1-yN Back-barrier”, 8th Nanoscience and Nanotechnology
Conference, PP-332 (2012)

2011

15) K. Elibol, G. Atmaca, S. Bütün, S.B. Lişesivdin and E. Özbay “Epitaksiyel grafende Hall ve zayıf antilokalizasyon ölçümleri” XVIII. Solid State Matter Physics Ankara Meeting, P67 (2011)

14) K. Elibol, G. Atmaca, E. Özbay and S.B. Lişesivdin “Tek ve çift tabakalı grafen alan etkili transistörlerin (GFET) akım-gerilim (I/V) performansı” XVIII. Solid State Matter Physics Ankara Meeting, P66 (2011)

13) G. Atmaca, K. Elibol, G. Karakoç, C. Güneş and S.B. Lişesivdin “Tek kanal ve çift kanal InGaN/InN çokluyapıların kıyaslanması” XVIII. Solid State Matter Physics Ankara Meeting, P64 (2011)

12) G. Atmaca, K. Elibol, P. Tasli and S. B. Lisesivdin “Effects On Two Dimensional Electron Gas Of InxGa1-xN Back-Barrier For Ultrathin Barrier AlN/GaN High Electron Mobility Transistors” 7th Nanoscience and Nanotechnology Conference, P3.E.11 (2011)

11) K. Elibol, G. Atmaca, O. Kelekci, P. Tasli, E. Ozbay and S. B. Lisesivdin “Self-consistent Transport Properties of Graphene Sheets” Turkish Physical Society XXVIII. International Conference, p710 (2011).

10) G. Karakoc, G. Atmaca, E. Yazbahar, P. Tasli and S. B. Lisesivdin “Numerical Investigation of Two-dimensional Electron Gas in AlGaN/AlN/GaN HEMT with InGaN/GaN Multi-quantum Well Structure” Turkish Physical Society XXVIII. International Conference, p745 (2011).

2010

9) G. Atmaca, K. Elibol, P. Tasli, S. B. Lisesivdin, M. Kasap “Numerical Investigation of Two Dimensional Electron Gas in InyAl1-yN/InxAl1-xN/AlN/GaN Double Barrier HEMTs” Turkish Physical Society XXVII. International Conference, p591 (2010).

8) K. Elibol, G. Atmaca, P. Tasli, S. B. Lisesivdin, M. Kasap “Optimization and Device Characteristics of the AlGaN/GaN Based HEMT’s with InGaN Back Barriers” Turkish Physical Society XXVII. International Conference, p621 (2010).

7) K. Elibol, O. Kelekci, G. Atmaca, S. B. Lisesivdin, M. Kasap, S. Ozcelik and E. Ozbay “Grafen Flake Uretim Yontemlerinin Gelistirilmesi” XVII. Solid State Matter Physics Ankara Meeting, S2 (2010).

6) G. Atmaca, K. Elibol, P. Tasli, S. B. Lisesivdin and M. Kasap “Eklem Alan Etkili Transistorlerin Elektriksel Karakteristiklerinin Incelenmesi” XVII. Solid State Matter Physics Ankara Meeting, S12 (2010).

5) K. Elibol, G. Atmaca, P. Tasli, S. B. Lisesivdin and M. Kasap “GaN Tabanlı MESFET Yapıların 2-boyutta Elektriksel Karakteristikleri” XVII. Solid State Matter Physics Ankara Meeting, P34 (2010).

4) O. Kartaloglu, G. Atmaca, K. Elibol and S. B. Lisesivdin “Erbiyum Katkılı Eklem Diyotun I-V Karakteristigi” XVII. Solid State Matter Physics Ankara Meeting, P46 (2010).

2009

3) G. Atmaca, K. Elibol, P. Tasli, S. B. Lisesivdin, M. Kasap “Cift kanallı AlGaAs/InGaAs/GaAs tabanlı p-HEMT Yapılarında 1 ve 2-boyutta Schrödinger-Poisson Çözümleri ve Akım-Gerilim İncelemeleri” XVI. Solid State Matter Physics Ankara Meeting, P59 (2009).

2) P. Tasli, S. B. Lisesivdin, M. Kasap, K. Elibol, G. Atmaca, E. Ozbay “A Numerical Study on Subband Structure of AlxIn1-xN/GaN-based HEMT Structures with Low-Indium (x>0.82) Barrier Layer” Turkish Physical Society XXVI. International Conference, p509 (2009).

2008

1) K. Elibol, G. Atmaca, S. B. Lişesivdin, M. Kasap, S. Özçelik “Optimization of Al-mole Fraction and Layer Thicknesses in AlxGa1-xN/AlN/GaN/AlxGa1-xN/AlN/GaN Double Channel HEMT Structures” Turkish Physical Society XXV. International Conference, p454 (2008).