Papers

〈  2016  ♦  2015  ♦  2014  ♦  2013  ♦  2012  〉

〈  2011-2009  ♦  2008-2005  ♦  2004-1999  〉

♦ 2016 ♦

99) Ali Haider, Petro Deminskyi, Talha M. Khan, Hamit Eren, and Necmi Biyikli, “Area-selective atomic layer deposition using inductively coupled plasma polymerized C4F8 layer: a case study for metal-oxides”, Submitted to ACS Applied Material and Interfaces, Manuscript ID: -.pdf-icon

 98) Ali Haider, Mehmet Yilmaz, Petro Deminskyi,  Hamit Eren, and Necmi Biyikli, “Self-aligned atomic layer deposition of TiO2 using tetrakis(dimethylamido)titanium on nanoscale patterned polymers”, Under review of Chemistry of Materials, Manuscript ID:  cm-2016-034516.pdf-icon

97) Mohammad Aref Khalily, Hamit Eren, Serdar Akbayrak, Hepi Hari Susapto, Necmi Biyikli, Saim Ozkar, and Mustafa O. Guler, “Facile Synthesis of Three-Dimensional Pt-TiO2 Nanonetworks: Highly Active Catalyst for Hydrolytic Dehydrogenation of Ammonia Borane”, Angewandte Chemie, Accepted for publication – DOI: 10.1002/ange.201605577 (2016).pdf-icon

96) Ruslan Garifullin, Hamit Eren, Gamze T. Ulusoy, Necmi Biyikli, Ali K. Okyay, and Mustafa O. Guler, “Self-Assembled Peptide Nanofiber Templated ALD Growth of TiO2 and ZnO Semiconductor Nanonetworks”, Physica Status Solidi A: Applications and Materials Science, Accepted for publication – EMID: f25ddfacc829b32c (2016).
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95) Murat Serhatlioglu, Bulend Ortac, Caglar Elbuken, Necmi Biyikli, and Mehmet E. Solmaz, “Perfectly absorbing ultra thin interference coatings for hydrogen sensing”, Journal of Micromechanics and Microengineering, Accepted for publication – Manuscript ID: JMM-102288.R1 (2016)pdf-icon

94) Sevde Altuntas, Fatih Buyukserin, Ali Haider, Buket Altinok, Necmi Biyikli, Belma Aslim, “Protein-releasing conductive anodized alumina membranes for nerve-interface materials”, Materials Science and Engineering C, Volume 67, p. 590 (2016).pdf-icon

93) Seda Kizir, Ali Haider, and Necmi Biyikli, “Substrate impact on the low-temperature growth of GaN thin films by plasma-assisted atomic layer deposition”, Journal of Vacuum Science and Technology (A), Volume 34, Art. No. 041511 (2016).pdf-icon

92) Ali Haider, Seda Kizir, and Necmi Biyikli, “Low-temperature self-limiting atomic layer deposition of wurtzite InN on Si(100)”, AIP Advances, Volume 6, Art. No. 045203 (2016).pdf-icon

91) Murat Serhatlioglu, Senver Ayas, Necmi Biyikli, Aykutlu Dana, and Mehmet E. Solmaz, “Perfectly absorbing ultra thin interference coatings for hydrogen sensing”, Optics Letters, Volume 41, p. 1724 (2016).pdf-icon

90) Abdullah Gok, Mehmet Yilmaz, Necmi Biyikli, Kagan Topalli, and Ali K. Okyay, “Practical Multi-Featured Perfect Absorber Utilizing High Conductivity Silicon”, Journal of Optics, Volume 18, Art.No. 035002 (2016).pdf-icon

89) Ali Kemal Okyay, Oguz Hanoglu, Mustafa Yuksel, Handan Acar, Selim Sulek, Burak Tekcan, Sedat Agan, Necmi Biyikli, and Mustafa O. Guler, “Using nanogap in label-free impedance based electrical biosensors to overcome electrical double layer effect”, Microsystem Technologies, DOI: 10.1007/s00542-015-2764- 4, p. 1 (2016).pdf-icon

88) Mustafa Alevli, Nese Gungor, Ali Haider, Seda Kizir, and Necmi Biyikli, “Comparison of trimethylgallium and triethylgallium as “Ga” source materials for the growth of ultra-thin GaN films on Si(100) substrates via hollow-cathode plasma-assisted atomic layer deposition”, Journal of Vacuum Science and Technology (A), Volume 34, Art. No. 01A137 (2016).pdf-icon

87) Mustafa Alevli, Nese Gungor, Ali Haider, Seda Kizir, and Necmi Biyikli, “Substrate temperature influence on the properties of GaN thin films grown by hollow-cathode plasma-assisted atomic layer deposition”, Journal of Vacuum Science and Technology (A), Volume 34, Art. No. 01A125 (2016).pdf-icon

86) Ali Haider, Seda Kizir, Cagla Ozgit-Akgun, Ali Kemal Okyay, and Necmi Biyikli, “Low-temperature sequential pulsed chemical vapor deposition of ternary BxGa1-xN and BxIn1-xN thin film alloys”, Journal of Vacuum Science and Technology (A), Volume 34, Art. No. 01A123 (2016).pdf-icon

♦ 2015 ♦

85) Sesha Vempati, Fatma Kayaci-Senirmak, Cagla Ozgit-Akgun, Necmi Biyikli, and Tamer Uyar, “Surface ionic states and structure of titanate nanotubes”, RSC Advances, Volume 5, p. 82977 (2015).pdf-icon

84) Sesha Vempati, Fatma Kayaci-Senirmak, Cagla Ozgit-Akgun, Necmi Biyikli, and Tamer Uyar, “Amorphous to tetragonal zirconia nanostructures and evolution of valance and core regions”, The Journal of Physical Chemistry C, Volume 119, p. 23268 (2015).pdf-icon

83) Ali Haider, Seda Kizir, Cagla Ozgit-Akgun, Eda Goldenberg, Shahid Ali Leghari, Ali Kemal Okyay, and Necmi Biyikli, “Low-temperature grown wurtzite InxGa1-xN thin films via hollow cathode plasma-assisted atomic layer deposition”, Journal of Materials Chemistry (C), Volume 3, p. 9620 (2015).pdf-icon

82) Halit Altuntas, Cagla Ozgit-Akgun, Inci Donmez, and Necmi Biyikli, “Effect of film thickness on the electrical properties of AlN films prepared by plasma-enhanced atomic layer deposition”, IEEE Transactions on Electron Devices, Volume 62, p. 3627 (2015).pdf-icon

81) Eda Cetinorgu-Goldenberg, Turkan Bayrak, Cagla Ozgit-Akgun, Ali Haider, Shahid A. Leghari, Manoj Kumar, and Necmi  Biyikli, “Effect of O2/Ar Flow Ratio and Post-deposition Annealing on the Structural, Optical and Electrical Characteristics of SrTiO3 Thin Films Deposited by RF Sputtering at Room Temperature”, Thin Solid Films, Volume 590, p. 193 (2015).pdf-icon

80) A. Turut, A. Karabulut, K. Ejderha, and N. Biyikli, “Capacitance-conductance-current-voltage characteristics of atomic layer deposited Au/Ti/Al2O3/n-GaAs MIS Structures”, Materials Science in Semiconductor Processing, Volume 39, p. 400 (2015).pdf-icon

79) Fatma Kayaci, Sesha Vempati, Cagla Ozgit-Akgun, Inci Donmez, Necmi Biyikli, and Tamer Uyar,  “Transformation of polymer-ZnO core-shell nanofibers into ZnO hollow nanofibers: Intrinsic defect reorganization in ZnO and its influence on the photocatalysis”, Applied Catalysis B: Environmental, Volume 176-177, p. 646 (2015).pdf-icon

78) Cagla Ozgit-Akgun, Fatma Kayaci, Sesha Vempati, Ali Haider, Asli Celebioglu, Eda Goldenberg, Seda Kizir, Tamer Uyar, and Necmi Biyikli, “Fabrication of flexible polymer-GaN core-shell nanofibers by the combination of electrospinning and hollow cathode plasma-assisted atomic layer deposition”, Journal of Materials Chemistry (C), Volume 3, p. 5199 (2015).pdf-icon

77) Halit Altuntas, Cagla Ozgit-Akgun, Inci Donmez, and Necmi Biyikli, “Current transport mechanisms in plasma-enhanced atomic layer deposited AlN thin films”, Journal of Applied Physics, Volume 117, Art. No. 155101 (2015).pdf-icon

76) Mustafa Alevli, Cagla Ozgit-Akgun, Inci Donmez, Ali K. Okyay, Necmi Biyikli, Sampath Gamage, Indika Senevirathna, and Nikolaus Dietz, “Effect of reactor pressure on optical and electrical properties of InN films grown by high-pressure chemical vapor deposition”, Physica Status Solidi (C), Volume 12, p.423 (2015).pdf-icon

75) A. Turut, A. Karabulut, K. Ejderha, and N. Biyikli, “Capacitance-conductance characteristics of Au/Ti/Al2O3/n-GaAs structures with very thin Al2O3 interfacial layer”, Materials Research Express, Volume 2, Art. No. 046301 (2015).pdf-icon

74) Cagla Ozgit-Akgun, Eda Goldenberg, Sami Bolat, Burak Tekcan, Fatma Kayaci, Tamer Uyar, Ali Kemal Okyay, and Necmi Biyikli, “Low-temperature hollow cathode plasma-assisted atomic layer deposition of crystalline III-nitride thin films and nanostructures”, Physica Status Solidi (C), Volume 12, p.394 (2015).pdf-icon

73) S. Bolat, C. Ozgit-Akgun, B. Tekcan, N. Biyikli, and A. K. Okyay, “Electronic and Optical Device Applications of Hollow Cathode Plasma Assisted Atomic Layer Deposition Based GaN Thin Films”, Journal of Vacuum Science and Technology (A), Volume 33, Art. No. 01A143 (2015).pdf-icon

72) Ali Haider, Hilal Cansizoglu, Mehmet Fatih Cansizoglu, Tansel Karabacak, Ali Kemal Okyay, and Necmi Biyikli, “Enhanced Photoresponse of Conformal TiO2/Ag Nanorod Array-based Schottky Photodiodes Fabricated via Successive Glancing Angle and Atomic Layer Deposition”, Journal of Vacuum Science and Technology (A), Volume 33, Art. No. 01A110 (2015).pdf-icon

71) Feyza B. Oruc, Levent E. Aygun, Inci Donmez, Hyun Yong Yu, Necmi Biyikli, and Ali K. Okyay, “Low Temperature Atomic Layer Deposited ZnO Photo Thin Film Transistors”, Journal of Vacuum Science and Technology (A), Volume 33, Art. No. 01A105 (2015).pdf-icon

♦ 2014 ♦

70) A. Celebioglu, S. Vempati, C. Ozgit-Akgun, N. Biyikli, and T. Uyar, “Water-soluble non-polymeric electrospun cyclodextrin nanofiber template for the synthesis of metal oxide tubes by atomic layer deposition”, RSC Advances, Volume 4, p. 61698 (2014).pdf-icon

69) B. Tekcan, C. Ozgit-Akgun, S. Bolat, N. Biyikli, A. K. Okyay, “Metal-semiconductor-metal ultraviolet photodetectors based on gallium nitride grown by atomic layer deposition at low temperatures”, SPIE Optical Engineering, Volume 53, issue 10, Art. No. 107106 (2014).pdf-icon

68) N. Biyikli, A. Karabulut, H. Efeoglu, B. Guzeldir, and A. Turut, “Electrical characteristics of Au/Ti/n-GaAs contacts over a wide measurement temperature range”, Physica Scripta, Volume 89, Art. No. 095804 (2014).pdf-icon

67) A. Haider, C. Ozgit-Akgun, F. Kayaci, A. K. Okyay, T. Uyar, and N. Biyikli, “Fabrication of BN/AlN bishell hollow nanofibers by electrospinning and atomic layer deposition”, APL Materials, Volume 2, Art. No. 096109 (2014).pdf-icon

66) S. Alkis, B. Tekcan, M. Alevli, N. Dietz, B. Ortac, N. Biyikli, and A. K. Okyay, “A near-infrared range photodetector based on indium nitride nanocrystals obtained through laser ablation”, IEEE Electron Device Letters, Volume 35, p. 936 (2014).pdf-icon

65) A. Haider, C. Ozgit-Akgun, E. Goldenberg, A. K. Okyay, and N. Biyikli, “Low-Temperature Deposition of Hexagonal Boron Nitride Via Sequential Injection of Triethylboron and N2/H2 Plasma”, Journal of the American Ceramic Society, Volume 97, issue 12, p. 4052 (2014).pdf-icon

64) S. Bolat, C. Ozgit-Akgun, B. Tekcan, N. Biyikli, and A. K. Okyay, “Low temperature thin film transistors with hollow cathode plasma-assisted atomic layer deposition based GaN channels”, Applied Physics Letters, Volume 104, Art. No. 243505 (2014).pdf-icon

63) F. Kayaci, S. Vempati, I. Donmez, N. Biyikli, and T. Uyar, “Role of zinc interstitials and oxygen vacancies of ZnO in photocatalysis: A bottom-up approach to control the defect density”, Nanoscale, Volume 6, p. 10224 (2014).pdf-icon

62) H. Altuntas, I. Donmez, C. Ozgit-Akgun, and N. Biyikli, “Effect of post-deposition annealing on the electrical properties of β-Ga2O3 thin films grown on p-Si by plasma-enhanced atomic layer deposition”, Journal of Vacuum Science and Technology (A), Volume 32, Art. No. 041504 (2014).pdf-icon

61) H. Mopidevi, H. V. Hunerli, E. Cagatay, N. Biyikli, M. Imbert, J. Romeu, L. Jofre, and Bedri A. Cetiner, “Three-dimensional microfabricated broadband patch antenna for WiGig applications”, IEEE Antennas and Wireless Propagation Letters, Volume 13, p. 828 (2014).pdf-icon

60) (Cover Article) F. Kayaci, S. Vempati, C. Ozgit-Akgun, N. Biyikli, and T. Uyar, “Selective isolation of the electron or hole in photocatalysis: ZnO–TiO2 and TiO2–ZnO core-shell structured heterojunction nanofibres via electrospinning and atomic layer deposition”, Nanoscale, Volume 6, p. 5735 (2014).pdf-icon

59) E. Goldenberg, C. Ozgit-Akgun, A. K. Okyay, and N. Biyikli, “Optical characteristics of nanocrystalline AlxGa1-xN thin films deposited by hollow cathode plasma-assisted atomic layer deposition”, Journal of Vacuum Science and Technology (A), Volume 32, Art. No. 031508 (2014).pdf-icon

58) F. Kayaci, S. Vempati, C. Ozgit-Akgun, N. Biyikli, and T. Uyar, “Enhanced Photocatalytic Activity of Homoassembled ZnO Nanostructures on Electrospun Polymeric Nanofibres: A Combination of Atomic Layer Deposition and Hydrothermal Growth”, Applied Catalysis B: Environmental, Volume 156-157, p. 173 (2014).pdf-icon

57) (Cover Article) C. Ozgit-Akgun, E. Goldenberg, A. Kemal Okyay, and N. Biyikli, “Hollow cathode plasma-assisted atomic layer deposition of crystalline AlN, GaN and AlxGa1-xN thin films at low temperature”, Journal of Materials Chemistry (C), Volume 2, p. 2123 (2014).pdf-icon

56) A. Ghobadi, K. Topalli, N. Biyikli, and A.K. Okyay, “Complementary Spiral Resonators For Ultrawideband Suppression Of Simultaneous Switching Noise In High-Speed Circuits”, Progress in Electromagnetics Research Society, Volume 46, p. 117 (2014).pdf-icon

55) H. Altuntas, I. Donmez, C. Ozgit-Akgun, and N. Biyikli, “Electrical characteristics of β-Ga2O3 thin films grown by plasma enhanced atomic layer deposition”, Journal of Alloys and Compounds, Volume 593, p. 190 (2014).pdf-icon

54) B. Sahin, F. Bayansal, M. Yuksel, N. Biyikli, and H. A. Cetinkara, “Effect of coumarin concentration on the physical properties of CdO nanostructures”, Ceramics International, Volume 40, p. 5237 (2014).pdf-icon

♦ 2013 ♦

53) H. Ceylan, C. Ozgit-Akgun, T. S. Erkal, I. Donmez, R. Garifullin, A. B. Tekinay, H. Usta, N. Biyikli, and M. O. Guler, “Size-controlled conformal nanofabrication of biotemplated three-dimensional TiO2 and ZnO nanonetworks”, Scientific Reports, Volume 3, Article No: 2306 (2013).pdf-icon

52) H. Karaagac, M. Parlak, L.E. Aygun, M. Ghaffari, N. Biyikli, A.K. Okyay, “A baseball-bat-like CdTe/TiO2 nanorods-based heterojunction core–shell solar cell”, Scripta Materialia Volume 69, Issue 4, p. 323 (2013).pdf-icon

51) F. Bayansal, B. Şahin, M. Yüksel, N. Biyikli, H.A. Çetinkara, H.S. Güder, “Influence of coumarin as an additive on CuO nanostructures prepared by successive ionic layer adsorption and reaction (SILAR) method”, Journal of Alloys and Compounds, Volume 566, p. 78 (2013).pdf-icon

50) Fatma Kayaci, Cagla Ozgit-Akgun, Necmi Biyikli, and  Tamer Uyar, “Surface-decorated ZnO nanoparticles and ZnO nanocoating on electrospun polymeric nanofibers by atomic layer deposition for flexible photocatalytic nanofibrous membranes”, RSC Advances, Volume 3, p. 6817 (2013).pdf-icon

49) I. Donmez, F. Kayaci, C. Ozgit-Akgun, T. Uyar, and N. Biyikli, “Fabrication of hafnia (HfO2) hollow nanofibers by atomic layer deposition using electrospun nanofiber templates”, Journal of Alloys and Compounds, Volume 559, p. 146 (2013).pdf-icon

48) I. Donmez, C. Ozgit-Akgun, and N. Biyikli, “Low temperature deposition of Ga2O3 thin films using trimethylgallium and oxygen plasma”, Journal of Vacuum Science and Technology (A), volume 31, Art. No. 01A110 (2013).pdf-icon

47) C. Ozgit, F. Kayaci, I. Donmez, T. Uyar, and N. Biyikli, “Template-based synthesis of aluminum nitride hollow nanofibers via plasma-enhanced atomic layer deposition”, Journal of the American Ceramics Society, Volume 96, p. 916 (2013).pdf-icon

♦ 2012 ♦

46) F. Kayaci, C. Ozgit-Akgun, I. Donmez, N. Biyikli, and T. Uyar “Polymer-Inorganic Core-Shell Nanofibers by Electrospinning and Atomic Layer Deposition: Flexible Nylon-ZnO Core-Shell Nanofiber Mats and Their Photocatalytic Activity”, ACS Applied Materials & Interfaces, Volume 4, p. 6185 (2012).pdf-icon

45) N. Biyikli, C. Ozgit, and I. Donmez, “Low-temperature self-limiting growth of III-Nitride thin films by plasma-enhanced atomic layer deposition”, Nanoscience and Nanotechnology Letters, volume 4, p. 1008 (2012).pdf-icon

44) H. Karaagac, Levent Erdal Aygun, Mehmet Parlak, Mohammad Ghaffari, N. Biyikli, and A. K. Okyay, “Au/TiO2 nanorods based Schottky type UV photodetectors”, Physica Status Solidi – Rapid Research Letters, Volume 6, Issue 11, p. 442 (2012).pdf-icon

43) M. Alevli, C. Ozgit, I. Donmez, and N. Biyikli, “Optical properties of AlN thin films grown by plasma enhanced atomic layer deposition”, Journal of Vacuum Science and Technology (A), volume 30, No.2, Art. No. 021506 (2012).pdf-icon

42) C. Ozgit, I. Donmez, M. Alevli, and N. Biyikli, “Atomic layer deposition of GaN at low temperatures”, Journal of Vacuum Science and Technology (A), volume 30, No.1, Art. No. 01A124 (2012).pdf-icon

41) M. Alevli, C. Ozgit, I. Donmez, and N. Biyikli, “Structural Properties of AlN Films Deposited by Atomic Layer Deposition at different growth temperatures”, Physica Status Solidi (A), volume 209, p. 266 (2012).pdf-icon

40) C. Ozgit, I. Donmez, M. Alevli, and N. Biyikli, “Self-limiting low-temperature growth of crystalline AlN thin films by plasma-enhanced atomic layer deposition”, Thin Solid Films, volume 520, p. 2750 (2012).pdf-icon

♦ 2009-2011 ♦

39) C. Ozgit, I. Donmez, and N. Biyikli, “Self-limiting growth of GaN at low temperatures”, Acta Physica Polonica (A), volume 120, p. A55 (2011).pdf-icon

38) M. Alevli, C. Ozgit, I. Donmez, and N. Biyikli, “The Influence of N2/H2 and Ammonia N Source Materials on Optical and Structural Properties of AlN Films Grown by Plasma Enhanced Atomic Layer Deposition”, Journal of Crystal Growth, volume 335, p. 51 (2011).pdf-icon

37) Bedri A. Cetiner, Gemma Roqueta, Luis Jofre, and Necmi Biyikli, “RF MEMS Integrated Frequency Reconfigurable Annular Slot Antenna”,  IEEE Transactions on Antenna and Propagation volume 58, No. 3, p. 626 (2010).pdf-icon

36) B. A. Cetiner, N. Biyikli, B. Yildirim, and  Y. Damgaci, “Nanoelectromechanical Switches for Reconfigurable Antennas”, Microwave and Optical Technologies Letters volume 52, No. 1, p. 64  (2010).pdf-icon

35) N. Biyikli, Y. Damgaci, and B. A Cetiner, “Low-voltage small-size double-arm MEMS actuator”, Electronics Letters, volume 45, issue 7, p. 354 (2009).pdf-icon

34) H. Cheng, N. Biyikli, J. Xie, C. Kurdak, and H. Morkoc, “Energy relaxation probed by weak antilocalization measurements in GaN heterostructures”, Journal of Applied Physics, volume 106, issue 10, Art. No. 103702 (2009).pdf-icon

♦ 2005-2008 ♦

33) H. Cheng, N. Biyikli, U. Ozgur, C. Kurdak, H. Morkoc, and V. I. Litvinov, “Measurement of linear and cubic spin-orbit coupling parameters in AlGaN/AlN/GaN heterostructures with a polarization-induced two-dimensional electron gas”, Physica E-Low Dimensional Systems & Nanostructures, volume 40, p. 1586 (2008).pdf-icon

32) Mutlu Gokkavas, Serkan Butun, Turgut Tut, Necmi Biyikli, and Ekmel Ozbay, “AlGaN-based high-performance metal-semiconductor-metal photodetectors”, Photonics and Nanostructures – Fundamentals and Applications, volume 5, issue 2-3, p. 53 (2007).pdf-icon

31) P. R. Ohodnicki, K. Y. Goh, Y. Hanlumyuang, K. Ramos, M. E. McHenry, Z. Cai, K. Ziemer, H. Morkoc, Necmi Biyikli, Z. Chen, C. Vittoria, and V. G. Harris, “Magnetic anisotropy and crystalline texture in BaO(Fe2O3)6 thin films deposited on GaN/Al2O3”, Journal of Applied Physics, volume 101, Art. No. 09M521 (2007).pdf-icon

30) Necmi Biyikli, H. Cheng, Ç. Kurdak, X. Ni, Y. Fu, J. Xie, I. Vurgaftman, J. Meyer, and H. Morkoç, “Magneto-transport properties of MOVPE-grown AlxGa1-xN/AlN/GaN heterostructures with high-mobility two-dimensional electron gas”, Journal of Applied Physics, volume 101, Art. No. 113710 (2007).pdf-icon

29) X. Ni, U. Ozgur, Y. Fu, Necmi Biyikli, J. Xie, A. A. Baski, H. Morkoc, and Z. Liliental-Weber, “Defect reduction in (11-20) a-plane GaN by two-stage epitaxial lateral overgrowth”, Applied Physics Letters, volume 89, Art. No. 262105 (2006).pdf-icon

28) Necmi Biyikli, Ç. Kurdak, Ü. Özgür, X. Ni, Y. Fu, and H. Morkoç, “Illumination and annealing characteristics of two-dimensional electron gas systems in metal-organic vapor-phase epitaxy grown AlxGa1–xN/AlN/GaN heterostructures”, Journal of Applied Physics, volume 100, Art. No. 103702 (2006).pdf-icon

27) Ç. Kurdak, Necmi Biyikli, Ü. Özgür, H. Morkoç, and V. I. Litvinov, “Weak antilocalization and zero-field electron spin splitting in AlGaN/AlN/GaN heterostructures with a polarization-induced two-dimensional electron gas”, Physcial Review B, volume 74, Art. No. 113308 (2006).pdf-icon

26) Necmi Biyikli, C. W. Litton, J. Xie, Y. T. Moon, F. Yun, C. G. Stefanita, S. Bandyopadhyay, J. R. Meyer, and H. Morkoc, “Quantitative Mobility Spectrum Analysis of AlGaN/GaN Heterostructures Using Variable-Field Hall Measurements”, Materials Science Forum, volumes 527-529, p. 1533 (2006).pdf-icon

25) Y. T. Moon, J. Xie, C. Liu, Y. Fu, X. Ni, Necmi Biyikli, K. Zhu, F. Yun, H. Morkoc, A. Sagar, and R. M. Feenstra, “A study of the morphology of GaN seed layers on in situ deposited SixNy and its effect on properties of overgrown GaN epilayers”, Journal of Crystal Growth, volume 291, issure 1, p. 301 (2006).pdf-icon

24) Y. I. Alivov, X. Bo, S. S. Akarca-Biyikli, Q. Fan, J. Xie, Necmi Biyikli, K. Zhu, D. Johnstone, H. Morkoc, “Effect of annealing on electrical properties of radio-frequency-sputtered ZnO films”, Journal of Electronic Materials, volume 35, issue 4, p. 520 (2006).pdf-icon

23) X. Ni, Y. Fu, Y. T. Moon, Necmi Biyikli, H. Morkoc, “Optimization of (11-20) a-plane GaN growth by MOCVD on (1-102) r-plane sapphire”, Journal of Crystal Growth, volume 290, issure 1, p. 166 (2006).pdf-icon

22) Necmi Biyikli, J. Xie, Y. T. Moon, F. Yun, C. G. Stefanita, S. Bandyopadhyay, H. Morkoc, I. Vurgaftman, J. R. Meyer, “Quantitative mobility spectrum analysis of AlGaN/GaN heterostructures using variable-field Hall measurements”, Applied Physics Letters, volume 88, issue 14, Art. No. 142106 (2006).pdf-icon

21) Y. Fu, F. Yun, Y. T. Moon, U. Ozgur, J. Q. Xie, X. F. Ni, Necmi Biyikli, H. Morkoc, L. Zhou, D. J. Smith, C. K. Inoki, and T. S. Kuan, “Dislocation reduction in GaN grown on porous TiN networks by metal-organic vapor-phase epitaxy”, Journal of Applied Physics, volume 99, issue 3, Art. No. 033518 (2006).pdf-icon

20) Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Orhan Aytur, and Ekmel Ozbay, “Fabrication and characterisation of solar-blind Al0.6Ga0.4N MSM photodetectors”, IEE Electronics Letters, volume 41, issue 5, p. 274 (2005).pdf-icon

19) Turgut Tut, Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High Bandwidth-Efficiency Solar-Blind AlGaN Schottky Photodiodes with Low Dark Current”, Solid State Electronics volume 49, issue 1, p. 117 (2005).pdf-icon

♦ 1999-2004 ♦

18) Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, and Ekmel Ozbay, “ITO-Schottky Photodiodes for High-Performance Detection in the UV-IR Spectrum”, IEEE Journal of Selected Topics in Quantum Electronics volume 10, issue 4, p. 759 (2004).pdf-icon

17) Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-speed characterization of solar-blind AlxGa1–xN p-i-n photodiodes”, Semiconductor Science & Technology, volume 19, issue 11, p. 1259 (2004).pdf-icon

16) Ibrahim Kimukin, Necmi Biyikli, Tolga Kartaloglu, and Ekmel Ozbay, “High-speed InSb p-i-n photodiodes”, IEEE Journal of Selected Topics in Quantum Electronics volume 10, issue 4, p. 766 (2004).pdf-icon

15) (invited) Ekmel Ozbay, Necmi Biyikli, Ibrahim Kimukin, T. Tut, T. Kartaloglu, and Orhan Aytur, “High-Performance Solar-Blind Photodetectors Based on AlxGa1-xN Heterostructures”, IEEE Journal of Selected Topics in Quantum Electronics, volume 10, issue 4, p. 742 (2004).pdf-icon

14) Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, and Ekmel Ozbay, “Solar-blind AlGaN-based p-i-n photodiodes with low dark current and high detectivity”, IEEE Photonics Technology Letters, volume 16, No: 7, p. 1718 (2004).pdf-icon

13) B. Butun, N. Biyikli, Orhan Aytur, Ibrahim Kimukin, Ekmel Ozbay, P.A. Postigo, J.P. Silveira, and A.R. Alija, “High-speed 1.55 mm operation of low-temperature grown GaAs based resonant cavity enhanced p-i-n photodiodes”, Applied Physics Letters, volume 84, p. 4185 (2004).pdf-icon

12) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and  Ekmel Ozbay, “High-speed visible-blind resonant cavity enhanced AlGaN Schottky photodiodes”,  MRS Internet Journal of Nitride Semiconductor Research, volume 8, p. 8 (2003).pdf-icon

11) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, Ekmel Ozbay, “High-speed solar-blind AlGaN-based metal-semiconductor-metal photodetectors”, Physica Status Solidi C, volume 0, p. 2314 (2003).pdf-icon

10) Ibrahim Kimukin, Necmi Biyikli, and Ekmel Ozbay, “1.55 mm InSb p-i-n photodiodes”, Journal of Applied Physics [Rapid Communications], volume 94, p. 5414 (2003).pdf-icon

9) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, Ekmel Ozbay, “High-speed Solar-Blind photodetectors with indium-tin-oxide Schottky contacts”, Applied Physics Letters, volume 82, p. 2344 (2003).pdf-icon

8) Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, Ibrahim Kimukin, Ekmel Ozbay, “High-Performance Solar-Blind AlGaN Schottky Photodiodes”, MRS Internet Journal of Nitride Semiconductor Research, volume 8, p. 2 (2003).pdf-icon

7) Necmi Biyikli, Orhan Aytur, Ibrahim Kimukin, Turgut Tut, Ekmel Ozbay, “Solar-blind AlGaN-based Schottky photodiodes with low noise and high detectivity”,Applied Physics Letters, volume 81, p. 3272 (2002).pdf-icon

6) Ibrahim Kimukin, Necmi Biyikli, Bayram Butun, Orhan Aytur, Selim Unlu, Ekmel Ozbay, “InGaAs Based High Performance p-i-n Photodiodes”, IEEE Photonics Technology Letters , volume 14, p. 366 (2002).pdf-icon

5) Ekmel Ozbay, Ibrahim Kimukin and Necmi Biyikli, “Ultrafast & Highly Efficient Resonant Cavity Enhanced Photodiodes”, Materials Science Forum, volume 384-385, p. 241 (2002).pdf-icon

4) Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, Ibrahim Kimukin, Ekmel Ozbay, “High-speed visible-blind GaN-based indium–tin–oxide Schottky photodiodes”,Applied Physics Letters, volume 79, p. 2838 (2001).pdf-icon

3) Necmi Biyikli, ibrahim Kimukin, Orhan Aytür, Mutlu Gokkavas, Selim Ünlü, Ekmel Ozbay, “45-GHz Bandwidth-Efficiency Resonant-Cavity-Enhanced ITO-Schottky Photodiodes”, IEEE Photonics Technology Letters , volume 13, p. 705 (2001).pdf-icon

2) Ibrahim Kimukin, Ekmel Ozbay, Necmi Biyikli, Tolga Kartaloglu, Orhan Aytür, Selim Ünlü, Gary Tutle, “High-speed GaAs-based resonant-cavity-enhanced 1.3µm photodetector”, Applied Physics Letters , volume 77, p. 3890 (2000).pdf-icon

1) Ekmel Ozbay, Ibrahim Kimukin, Necmi Biyikli, Orhan Aytür, Mutlu Gökkavas, Gökhan Ulu, R. Mirin, D. H. Christensen, and M.Selim Ünlü, “High-Speed >90% Quantum-Efficiency p-i-n Photodiodes with a Resonance Wavelength Adjustable in 795-835 nm Range”, Applied Physics Letters , volume 74, p. 1072 (1999).pdf-icon