Research
CÜNAM Publications

# Publication Title
121 Unal, D.H. & Demir, I. (2023). InGaAs-Based MSM Photodetector: Researching Absorption Layer, Barrier Layer, and Digital Graded Superlattice Layer with 3D Simulation. Results in Optics, 13, 100581.
120 Hopoglu, H., Kaya, D., Maslov, M.M., Kaya, S., Demir, I., Altuntas, I., Ungan, F., Akyol, M., Ekicibil, A., & Senadım Tuzemen, E. (2023).Investigating the optical, electronic, magnetic properties and DFT of NiO films prepared using RF sputtering with various argon pressures. Physica B: Condensed Matter, 661, 414937.
119 Ben Arbia, M., Demir, I., Kaur, N., Saidi, F., Zappa, D., Comini, E., Altuntas, I., & Maaref, H. (2023). Experimental insights toward carrier localization in in-rich InGaAs/InP as candidate for SWIR detection: Microstructural analysis combined with optical investigation. Materials Science in Semiconductor Processing, 153, 107149.
118 Perkitel I., & Demir, I. (2023). Effect of Si-doped and undoped inter-layer transition time on the strain-compensated InGaAs/InAlAs QCL active region grown with MOVPE. Journal of Molecular Structure , vol.1272, 134203.
117 Yolcu, G., Kocak, M. N., Unal, D. H., Altuntas, I., Horoz S., & Demir, I. (2023). High-quality AlN growth: A detailed study on ammonia flow. Journal of Materials Science: Materials in Electronics, 34, 250.
116 Baghdedi, D., Hopoglu, H., Sarıtas, S., Demir, I., Altuntas, I., Abdelmoula, N., Gur, E., & Senadım Tuzemen, E. (2023). Comprehensive growth and characterization study of GeOx/Si. Journal of Molecular Structure, 1274, 134398.
115 Yabas, E., Senadım Tuzemen, E., Kaya, S., Maslow, M. M., & Erdem, F. (2023). Incorporation of graphene oxide to metal-free phthalocyanine through hydrogen bonding for optoelectronic applications: An experimnetal and computational study. Journal of Physical Organic Chemistry, 1, 1.
114 Senadım Tuzemen, E., Hopoglu, H., Sarıtas, S., Aydınoglu, H. S., Ertuğrul, M., Maslov, M. M., Kaya, S., Ungan, F., & Gur, E. (2023). Experimental and theoretical insights on the structural and optical properties of GeOx thin films deposited via RF magnetron sputtering under varying oxygen percentage. Physica B: Condensed Matter, 650, 414494.
113 Kalyon, G., Mutlu, S., Kuruoglu, F., Pertikel, I., Demir, I., & Erol, A. (2023). InGaAs-based Gunn light emitting diode. Materials Science in Semiconductor Processing, 159, 107389.

# Publication Title
112 Altun, D., Ozturk, O., Alaydin, B. O., & Ozturk, E. (2022). Linear and nonlinear optical properties of a superlattice with periodically increased well width under electric and magnetic fields. Micro and Nanostructures, 166, 207225.
111 Kaya, D., Akyol, M., Senadım Tuzemen, E., & Ekicibil, A. (2022). Magnetic and optical properties of ZnO/Ni/ZnO multilayer film on Si(100) and sapphire substrates. Optik, 266, 169595.
110 Kocak, M. N., Yolcu, G., Horoz, S., Altuntas, I., & Demir, I. (2022). In-situ thermal cleaning of the sapphire substrate and temperature effect on epitaxial AlN. Vacuum, 205, 111455.
109 Kaynar, E., Sayrac, M., Altuntas, I., & Demir, I. (2022). Determination of optical properties of MOVPE-Grown InxGa1-xAs/InP epitaxial structures by spectroscopic ellipsometry. Brazilian Journal of Physics, 52, 184.
108 Kocak, M. N., Purlu, K., M., Perkitel, I., Altuntas, I., & Demir, I. (2022). In-situ and ex-situ face-to-face annealing of epitaxial AlN. Opt. Vacuum, 203, 111284.
107 Yolcu, G., Simsek, I., Kekul, R., Altuntas, I., Horoz, S., & Demir, I. (2022). The influence of TMGa pre-flow time and amount as surfactant on the structural and optical properties of AlN epilayer. Micro and Nanostructures, 168, 207301.
106 Panda, P., Rajagopalan, R., Tripursundari, S., Altuntas, I., & Demir, I. (2022). Optical and nano-mechanical characterization of c-axis oriented AlN film. Optical Materials, 129, 112480.
105 Altun, D., Ozturk, O., Alaydin, B. O., & Ozturk, E. (2022). Linear and nonlinear optical properties of a superlattice with periodically increased well width under electric and magnetic fields. Micro and Nanostructures, 207225.
104 Ozturk, O., Alaydin, B. O., Altun, D., & Ozturk, E. (2022). Intense laser field effect on the nonlinear optical properties of triple quantum wells consisting of parabolic and inverse-parabolic quantum wells. Laser Physics, 52(3), 035404.
103 Sayrac, M., & Sert, E. (2022). Investigation of optical and structural properties of tin-doped copper oxide thin films prepared by the drop-cast method. Journal of the Australian Ceramic Society, 58(1), 93-100.
102 Sharif, M. N., Khan, M. A., Wali, Q., Demir, I., Wang, F., Liu, Y. (2022). Performance enhancement of AlGaN deep-ultraviolet laser diode using compositional Al-grading of Si-doped layers. Optics & Laser Technology, 152, 108156.
101 Akyol, F., & Demir, I. (2022). Close oxygen coupled low-pressure chemical vapor deposition growth of high quality β− Ga2O3 on sapphire. Materials Science in Semiconductor Processing, 146, 106645.
100 Sharif, M. N., Wali, Q., Rehman, H.U., Xing, Z., Khan, S. U., Zhang, A., Demir, I., Wang, F., & Liu, Y., (2022). Sensitivity of indium molar fraction in InGaN quantum wells for near-UV light-emitting diodes. Micro and Nanostructures, 207208.
99 Aydinoglu, H. S., Sayrac, M., Mora-Ramos, M. E., & Ungan, F. (2022). Nonlinear optical properties in AlxGa1-xAs/GaAs double-graded quantum wells: The effect of the structure parameter, static electric, and magnetic field. Solid State Communications, 342, 114647.
98 Sayrac, M. (2022). Effects of applied external fields on the nonlinear optical rectification, second, and third-harmonic generation in an asymmetrical semi exponential quantum well. Optical and Quantum Electronics, 54(1), 1-15.
97 Purlu, K. M., Kocak, M. N., Yolcu, G., Perkitel, I., Altuntas, I., & Demir, I. (2022). Growth and characterization of PALE Si-doped AlN on sapphire substrate by MOVPE. Materials Science in Semiconductor Processing, 142, 106464.
96 Badreddine, S., Joshya, R. S., Demir, I., Faouzi, S., Altuntas, I., Lagarde, D., Rober, C., Xavier, M., & Hassen, M. (2022). Systematic optical study of high-x InxGa1-xAs/InP structures for infrared photodetector applications. Optics & Laser Technology, 148, 107714.
95 Arbia, M. B., Smiri, B., Demir, I., Saidi, F., Altuntas, I., Hassen, F., & Maaref, H. (2022). Theoretical analyses of the carrier localization effect on the photoluminescence of In-rich InGaAs layer grown on InP. Materials Science in Semiconductor Processing, 140, 106411.

# Publication Title
94 Demir, I., Altuntas, I., & Elagoz, S. (2021). Arsine Flow Rate Effect on the Low Growth Rate Epitaxial InGaAs Layers. Semiconductors, 55, 816-822, https://doi.org/10.1134/S1063782621100079.
93 Sayrac, M. (2021). Generation of Coherent Extreme Ultraviolet Radiation in an Air Gas Cell with a High Power Femtosecond Laser System. Optics and Spectroscopy, 1-5.
92 Altuntas, I., Dakhlaoui, H., Mora-Ramos, M.E., & Ungan, F. (2021). Combined effects of electric, magnetic, and intense terahertz laser fields on the nonlinear optical properties in GaAs/GaAlAs quantum well with exponentially confinement potential. Eur. Phys. J. Plus, 136, 1174, https://doi.org/10.1140/epjp/s13360-021-02180-7.
91 Hopoglu, H., Aydınoglu, H. S., Ozer, A., & Senadım Tuzemen, E. (2021). Investigation of nitrogen doped ZnO thin films: Effects on their structural and optical properties, Optical Materials, 122, Part A, https://doi.org/10.1016/j.optmat.2021.111685.
90 Sayrac, M., Turkoglu, A., Mora-Ramos, M. E., & Ungan, F. (2021). Intensity-dependent nonlinear optical properties in an asymmetric Gaussian potential quantum well-modulated by external fields. Opt Quant Electron, 53, 485, https://doi.org/10.1007/s11082-021-03136-y.
89 Sayrac, M., Turkoglu, A., & Ungan, F. (2021). Influence of hydrostatic pressure, temperature, and terahertz laser field on the electron-related optical responses in an asymmetric double quantum well. Eur. Phys. J. B, 94, 121, https://doi.org/10.1140/epjb/s10051-021-00132-9.
88 Sayrac, M. (2021). Generation of coherent XUV radiation in gas mixture of N2 and H2 using high power laser system. Erzincan Universitesi Fen Bilimleri Enstitusu Dergisi, 14(2), 542-549, doi:10.18185/erzifbed.845714.
87 Sayrac, M. (2021). Computation of refractive index values of inert gases at near infrared and XUV region based on mathematica software. Adıyaman University Journal of Science, 11(1), 48-58, doi:10.37094/adyujsci.754497.
86 Altuntas, I. (2021). Effects of applied external fields on the nonlinear optical rectification, second, and third harmonic generation in a quantum well with exponentially confinement potential. Eur. Phys. J. B, 94, 177, https://doi.org/10.1140/epjb/s10051-021-00189-6.
85 Dakhlaoui, H., Altuntas, I., Mora-Ramos, M. E., & Ungan, F.(2021). Numerical simulation of linear and nonlinear optical properties in heterostructure based on triple Gaussian quantum wells: effects of applied external fields and structural parameters. Eur. Phys. J. Plus, 136, 894, https://doi.org/10.1140/epjp/s13360-021-01907-w.
84 Altuntas, I. (2021). XRD and photoluminescence measurements of GaN grown on dome shaped patterned sapphire with different NH3 flow rates. Cumhuriyet Science Journal, 42 (1) , 184-190, doi:10.17776/csj.858546.
83 Altuntas, I. & Elagoz, S. (2021). The GaN epilayer grown by MOVPE: Effect of the different nucleation layer temperatures. International Journal of Innovative Engineering Applications, 5 (1), 6-10, doi:10.46460/ijiea.898795.
82 Simsek, I., Yolcu, G., Kocak, M., Purlu, K., Altuntas., I., & Demir, I. (2021). Nucleation layer temperature effect on AlN epitaxial layers grown by metalorganic vapour phase epitaxy. J Mater Sci: Mater Electron, 32, 25507–25515, https://doi.org/10.1007/s10854-021-07016-9.
81 Senadım Tuzemen, E., Ozer, A., Demir, I., Altuntas, I. & Simsir, M. (2021). ZnO/Al2O3 layered structures deposited by RF magnetron sputtering on glass: Growth characteristics, optical properties, and microstructural analysis. J Aust Ceram Soc, https://doi.org/10.1007/s41779-021-00634-w.
80 Perkitel, İ. , Altuntas, İ. & Demir, İ. (2021). The effect of Si (111) substrate surface cleaning on growth rate and crystal quality of MOVPE grown AlN. Gazi University Journal of Science, 1-1, doi:10.35378/gujs.822954.
79 Kaya, D., Aydinoglu, H. S., Senadim Tuzemen, E., & Ekicibil, A. (2021). Investigation of optical, electronic, and magnetic properties of p-type NiO thin film on different substrates. Thin Solid Films, 732, https://doi.org/10.1016/j.tsf.2021.138800.
78 Senadim Tuzemen, E., Merhan Muglu, G., Alaydin, B. O., Altun, D., Kılıc Cetin, S., & Gur, E. (2021). Characterization of multilayer Al doping in ZnO. Journal of the Australian Ceramic Society, https://doi.org/10.1007/s41779-021-00604-2.
77 Altuntas, I., Kocak, M. N., Yolcu, G., Budak, H. F., Kasapoglu, A. E., Horoz, S., Gur, E., & Demir, I. (2021). Influence of the PALE growth temperature on quality of MOVPE grown AlN/Si (111). Materials Science in Semiconductor Processing, 127, https://doi.org/10.1016/j.mssp.2021.105733.
76 Mobtakeri, S., Akaltun, Y., Ozer, A., Kılıc, M., Senadim Tuzemen, E., & Gur, E. (2021). Gallium oxide films deposition by RF magnetron sputtering; a detailed analysis on the effects of deposition pressure and sputtering power and annealing. Ceramics International, 47(2), 1721-1727.
75 Sayrac, M., Kolomenskii, A. A., Dong, J., & Schuessler, H. A. (2021). Generation of even and odd harmonics in the XUV region with controlling the relative delay and polarization of two-color fields. Optik, 226, 165966.

# Publication Title
69 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). The effect of intense laser field on the nonlinear optical features in asymmetric multiple step and inverse V-shaped multiple step quantum wells. Laser Physics, 29(10), 105401.
68 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). Depending on the intense laser field of the nonlinear optical rectification, second and third harmonic generation in asymmetric parabolic-step and inverse parabolic-step quantum wells. Physica Scripta, 94(11), 115809.
67 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). Dependence on well widths of total opticalhttps://www.worldscientific.com/doi/abs/10.1142/S0217979219501753 absorption coefficient of asymmetric triple GaAlAs/GaAs and GaInAs/GaAs quantum wells. International Journal of Modern Physics B, 33(17), 1950175.
66 Demir, I., Kocak, Y., Kasapoglu, A. E., Razeghi, M., Gur, E., & Elagoz, S. (2019). AlGaN/AlN MOVPE heteroepitaxy: pulsed co-doping SiH4 and TMIn. Semiconductor Science and Technology, 34(7), 075028.
65 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). Nonlinear Optical Rectification, Second and Third Harmonic Generations in Square-Step and Graded-Step Quantum Wells under Intense Laser Field. Chinese Physics Letters, 36(6), 067801.
64 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). Linear and nonlinear optical properties of asymmetric triple quantum wells under intense laser field. Laser Physics, 29(5), 055402.
63 Alaydin, B. O., Senadim Tuzemen, E., Altun, D., & Elagoz, S. (2019). Comprehensive structural and optical characterization of AlAs/GaAs distributed Bragg reflector. International Journal of Modern Physics B, 33(08), 1950054.
62 Ozturk, O., Ozturk, E., & Elagoz, S. (2019). Linear and nonlinear optical absorption coefficient and electronic features of triple GaAlAs/GaAs and GaInAs/GaAs quantum wells depending on barrier widths. Optik, 180, 394-405.
61 Robin, Y., Ding, K., Demir, I., McClintock, R., Elagoz, S., & Razeghi, M. (2019). High brightness ultraviolet light-emitting diodes grown on patterned silicon substrate. Materials Science in Semiconductor Processing, 90, 87-91.
60 Genc, M., Sheremet, V., Elci, M., Kasapoglu, A. E., Altuntas, I., Demir, I., Egin, G., Islamoglu, S., Gur, E., Muzafferoglu, N., Elagoz, S., Gulseren, O., & Aydınlı, A. (2019). Distributed contact flip chip InGaN/GaN blue LED; comparison with conventional LEDs. Superlattices and Microstructures, 128, 9-13.
59 Demir, I. (2019). The contribution of AsH3: Pre-flow and V/III ratio effects on heteroepitaxially grown GaAs/Ge. Superlattices and Microstructures, 128, 1-8.
58 Senadim Tuzemen, E., Kilic, M., Zeyrek, B. K., Kasapoglu, A. E., Gur, E., Alaydin, B. O., … & Esen, R. (2019). Formation of carbon nanowalls by pulsed filtered cathodic vacuum arc deposition. Diamond and Related Materials, 93, 200-207.
57 Sayrac, M., Kolomenskii, A. A., Dong, J., & Schuessler, H. A. (2019). Generation of enhanced even harmonics of fundamental radiation in temporally separated two-color laser fields. Journal of Electron Spectroscopy and Related Phenomena, 233, 22-27.
56 Sayrac, M., Kolomenskii, A. A., & Schuessler, H. A. (2019). Pressure dependence of high order harmonic generation in nitrogen molecular gas and atmospheric air. Optik, 179, 994-1000.
55 Sayrac, M., Sayrac, H., Ari, M., & Taplamacioglu, M. C. (2019). Behaviour of laser beam in nonlinear media. IJTPE Journal, 0041-1104-1219.
54 Sayrac, M., Ari, M., & Taplamacioglu, M. C. (2019). General Overview of wireless communication technology. IJTPE Journal, 2077-3528, 11, 25-30.

# Publication Title
53 Demir, I., Altuntas, I., Kasapoglu, A. E., Mobtakeri, S., Gur, E., & Elagoz, S. (2018). Microstructural evolution of MOVPE grown GaN by the carrier gas. Semiconductors, 52(16), 2030-2038.
52 Kilic, A., Tansel, T., Hostut, M., Elagoz, S., & Ergun, Y. (2018). The investigation of quantum efficiency constituents of InAs/AlSb/GaSb based N structure type-II SL photodetectors with InAlAs interface. Semiconductor Science and Technology, 33(9), 094001.
51 Demir, I., Altuntas, I., Bulut, B., Ezzedini, M., Ergun, Y., & Elagoz, S. (2018). Comprehensive growth and characterization study on highly n-doped InGaAs as a contact layer for quantum cascade laser applications. Semiconductor Science and Technology, 33(5), 055005.
50 Ozturk, O., Ozturk, E., & Elagoz, S. (2018). The effect of barrier width on the electronic properties of double GaAlAs/GaAs and GaInAs/GaAs quantum wells. Journal of Molecular Structure, 1156, 726-732.
49 Demir, I., Li, H., Robin, Y., McClintock, R., Elagoz, S., & Razeghi, M. (2018). Sandwich method to grow high quality AlN by MOCVD. Journal of Physics D: Applied Physics, 51(8), 085104.
48 Demir, I. (2018). Growth temperature dependency of high Al content AlGaN epilayers on AlN/Al2O3 templates. Cumhuriyet Science Journal, 39(3), 728-733.
47 Sheremet, V., Gheshlaghi, N., Sozen, M., Elci, M., Sheremet, N., Aydınlı, A., … & Morkoc, H. (2018). InGaN stress compensation layers in InGaN/GaN blue LEDs with step graded electron injectors. Superlattices and Microstructures, 116, 253-261.
46 Sheremet, V., Genc, M., Gheshlaghi, N., Elci, M., Sheremet, N., Aydınlı, A., … & Morkoc, H. (2018). Two-step passivation for enhanced InGaN/GaN light emitting diodes with step graded electron injectors. Superlattices and Microstructures, 113, 623-634.
45 Sayrac, M., Kolomenskii, A. A., & Schuessler, H. A. (2018). Pressure optimization and phase matching of high harmonics generation in CO2 and C2H2 molecular gases. Journal of Electron Spectroscopy and Related Phenomena, 229, 1-6.

# Publication Title
44 Altuntas, I., Demir, I., Kasapoglu, A. E., Mobtakeri, S., Gur, E., & Elagoz, S. (2017). The effects of two-stage HT-GaN growth with different V/III ratios during 3D–2D transition. Journal of Physics D: Applied Physics, 51(3), 035105.
43 Demir, I., & Elagoz, S. (2017). V/III ratio effects on high quality InAlAs for quantum cascade laser structures. Superlattices and Microstructures, 104, 140-148.
42 Demir, I., Robin, Y., McClintock, R., Elagoz, S., Zekentes, K., & Razeghi, M. (2017). Direct growth of thick AlN layers on nanopatterned Si substrates by cantilever epitaxy. Physica Status Solidi (a), 214(4), 1600363.
41 Baser, P., & Elagoz, S. (2017). The hydrostatic pressure and temperature effects on hydrogenic impurity binding energies in lattice matched InP/In0. 53Ga0. 47As/InP square quantum well. Superlattices and Microstructures, 102, 173-179.
40 Sheremet, V., Genc, M., Elci, M., Sheremet, N., Aydınlı, A., Altuntas, I., … & Morkoc, H. (2017). The role of ITO resistivity on current spreading and leakage in InGaN/GaN light emitting diodes. Superlattices and Microstructures, 111, 1177-1194.
39 Ullah, M. B., Avrutin, V., Nakagawara, T., Hafiz, S., Altuntas, I., Ozgur, U., & Morkoc, H. (2017). Growth kinetics of O-polar BexMgyZn1-x-yO alloy: Role of Zn to Be and Mg flux ratio as a guide to growth at high temperature. Journal of Applied Physics, 121(18), 185704.
38 Boran, Y., Kolomenskii, A. A., Sayrac, M., Kaya, N., Schuessler, H. A., & Strohaber, J. (2017). Dissociative ionization of acetonitrile in intense femtosecond laser fields. Journal of Physics B: Atomic, Molecular and Optical Physics, 50(13), 135003.
37 Kolomenskii, A. A., Kaya, N.., Kaya, G., Sayrac, M., Boran, Y., Strohaber, J., & Schuessler, H. A. (2017). Manifestations of induced molecular alignment in the interaction of ultrafast laser pulses with gases. In Journal of Physics: Conference Series, 826(1),012001.

# Publication Title