Mehmet Işık, Doç. Dr.

Mehmet Işık

İletişim Bilgileri

Telefon:8299
Telefon:8755
Ofis:MF-A2 Blok 2062
Bağlı Olduğu Bölüm:Fizik Grubu
Özgeçmiş

Akademik Dereceler

DereceAlanÜniversiteYıl
Doktora Fizik ODTÜ 2013
Yüksek Lisans Fizik ODTÜ 2008
Lisans Fizik Boğaziçi Üniversitesi 2004


Akademik Ünvanlar

DereceÜniversiteAyYıl
Doçent Atılım Üniversitesi Mayıs 2013


Araştırma Konuları

Katı Hal Fiziği, Yarıiletkenler, Optiksel ve Elektriksel Karakterizasyon Ölçümleri, Katılarda Lüminesans, İnce Filmler


Yayınlar

SCI, SCI-E, SSCI ve AHCI

M.Isik, N.M. Gasanly (2017), Composition-tuned band gap energy and refractive index in GaSxSe1-x layered mixed crystals, Materials Chemistry and Physics, 190, 74-78

M.Isik, N.M. Gasanly (2017), Analysis of optical constants and temperature-dependent absorption edge of GaS0.75Se0.25 layered crystals, Materials Research Bulletin, 90, 280-284

M.Isik, E.Bulur, N.M. Gasanly (2017), Photo-transferred thermoluminescence of shallow traps in beta-irradiated BeO ceramics, Journal of Luminescence, 187, 290-294

M.Isik, E. Tugay, N.M. Gasanly (2016), Temperature-dependent optical properties of GaSe layered single crystals, Philosophical Magazine, 96, 2564-2573

M.Isik, N.M. Gasanly (2016), Optical parameters of anisotropic chain-structured Tl2InGaTe4 crystals by spectroscopic ellipsometry, Optik, 127, 10637-10642

M.Isik, E. Tugay, N.M. Gasanly (2016), Temperature-tuned band gap energy and oscillator parameters of GaS0.5Se0.5 single crystals, Optik, 127, 8301-8305

M.Isik, T.Yildirim, N.M. Gasanly (2016), Thermoluminescence properties of ZnO nanoparticles in the temperature range 10-300 K, Journal of Sol-Gel Science and Technology, 78, 76-81

M.Isik, N.M. Gasanly (2016), Optical characterization of CuIn5S8 crystals by ellipsometry measurements, Journal of Physics and Chemistry of Solids, 91, 13-17

M.Isik, N.M. Gasanly (2016), Ellipsometric study of optical properties of GaSxSe1-x layered mixed crystals, Optical Materials, 54, 155-159

M.Isik, S.Delice, N.M. Gasanly (2016), Defect characterization of Ga4Se3S layered single crystals by thermoluminescence, Pramana-Journal of Physics, 86, 893-900

M.Isik, T.Yildirim, N.M. Gasanly (2016), Analysis of Thermoluminescence Glow Peaks in beta-Irradiated TlGaSeS Crystals, Acta Physica Polonica A, 129, 1165-1168

M. Isik, N.M. Gasanly (2015), Ellipsometry study of optical parameters of AgIn5S8 crystals, Physica B-Condensed Matter, 478, 127-130

M. Isik, S. Delice, N.M. Gasanly (2015), Analysis of glow curve of GaS0.5Se0.5 single crystals, Journal of Luminescence, 168, 236-240

S. Delice, M. Isik, N.M. Gasanly (2015), Transmission, reflection and thermoluminescence studies on GaS0.75Se0.25 layered single crystals, Materials Research Bulletin, 70, 236-240

M. Isik, N.M. Gasanly (2015), Optical characterization of Ga2SeS layered crystals by transmission, reflection and ellipsometry, Modern Physics Letters B, 29, 1550088

M. Isik, T. Yildirim, N.M. Gasanly (2015), Determination of trapping parameters of thermoluminescent glow peaks of semiconducting Tl2Ga2S3Se crystals, Journal of Physics and Chemistry of Solids, 82, 56-59

S. Delice, M. Isik, E. Bulur, N.M. Gasanly (2015), Low temperature thermoluminescence of quaternary thallium sulfide Tl4InGa3S8, Indian Journal of Physics, 89, 571-576

M. Isik, S. Delice, N.M. Gasanly (2014), Low-Temperature Thermo luminescence Studies on TlInS2 Layered Single Crystals, Acta Physica Polonica A, 126, 1299-1303

M. Isik, W. Hadibrata, N.M. Gasanly (2014), Annealing effect on the low temperature thermoluminescence properties of GaSe single crystals, Journal of Luminescence, 154, 131-135

M. Isik, N.M. Gasanly, F. Korkmaz (2014), Compositional Dependence of Optical Modes Frequencies in T1Ga(x)In(1-x)S(2) Layered Mixed Crystals (0 <= x <= 1), Acta Physica Polonica A, 126, 747-750

M. Isik, S. Delice, N.M. Gasanly (2014), Optical properties of TlGaxIn1-xSe2-layered mixed crystals (0.5 <= x <= 1) by spectroscopic ellipsometry, transmission, and reflection, Philosophical Magazine, 94, 2623-2632

S. Delice, M. Isik, N.M. Gasanly (2014), Thermoluminescence characteristics of Tl4GaIn3S8 layered single crystals, Philosophical Magazine, 94, 141-151

S. Delice, M. Isik, N.M. Gasanly (2014), Trapping centers and their distribution in Tl2InGaSe4 single crystals by thermally stimulated luminescence, Journal of Materials Science, 49, 2542-2547

M. Isik, H.H. Gullu (2014), Structural and optical properties of thermally evaporated Ga-In-Se thin films, Modern Physics Letters B, 28, 1450101

M. Işık, E. Bulur, N.M. Gasanly (2013), Low-temperature thermoluminescence in TlGaS2 layered single crystals, Journal of Luminescence, 135, 60-65

M. Işık, N.M. Gasanly, R. Turan (2013), Optical constants and interband transitions of anisotropic layered structured Tl2GaInS4 crystals by spectroscopic ellipsometry, Journal of Alloys and Compounds, 549, 179-183

M. Işık, N.M. Gasanly, R. Turan (2013), Interband transitions in gallium sulfide layered single crystals by ellipsometry measurements, Physica B, 408, 43-45

M. Isik, I. Guler, N.M. Gasanly (2013), Temperature and excitation intensity tuned photoluminescence in Ga0.75In0.25Se crystals, Optical Materials, 35, 414-418

M. Isik, N.M. Gasanly, F. Korkmaz (2013), Infrared and Raman scattering spectra of layered structured Ga3InSe4 crystals, PHYSICA B-CONDENSED MATTER , 412, 61-63

S. Delice, M. Isik, E. Bulur, N.M. Gasanly (2013), Thermoluminescence properties of Tl2Ga2S3Se layered single crystals, Journal of Applied Physics, 113, 193510

M. Isik, N.M. Gasanly (2013), Temperature-dependent electrical resistivity, space-charge-limited current and photoconductivity of Ga0.75In0.25Se single crystals, PHYSICA B-CONDENSED MATTER, 421, 53-56

M. Isik, N.M. Gasanly, F. Korkmaz (2013), Multiphonon absorption processes in layered structured TlGaS2, TlInS2 and TlGaSe2 single crystals, PHYSICA B-CONDENSED MATTER, 421, 50-52

M. Isik, E. Bulur, N.M. Gasanly, (2013), TL and TSC studies on TlGaSe2 layered single crystals, Journal of Luminescence, 144, 163-168

M. Isik, N.M. Gasanly (2013), Interband critical points in TlGaxIn1-xS2 layered mixed crystals (0 <= x <= 1), Journal of Alloys and Compounds, 581, 542-546

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

M. Işık, N.M.Gasanly (2012), Determination of optical parameters of Ga0.75In0.25Se layered crystals, Crystal Research and Technology, 530-534, 47

M. Işık, N.M.Gasanly (2012), Absorption edge and optical constants of Tl2Ga2S3Se crystals from reflection and transmission, and ellipsometric measurements, Physica B, 407, 2229-2233

M. Işık, N.M. Gasanly (2012), Dielectric functions and interband critical points of anisotropic chain structured TlSe single crystals, Journal of Applied Physics, 112, 083526

M. Işık, E. Bulur, N.M. Gasanly (2012), Low-temperature thermoluminescence in layered structured Ga0.75In0.25Se single crystals, Journal of Alloys and Compounds, 545, 153-156

M. Işık, N.M. Gasanly, R. Turan (2012), Spectroscopic ellipsometry study of above-band gap optical constants of layered structured TlGaSe2, TlGaS2 and TlInS2 single crystals, Physica B, 407, 4193-4197

M. Işık, N.M. Gasanly (2012), Ellipsometry study of interband transitions in TlGaS(2x)Se2(1-x) mixed crystals (0Optics Communications, 285, 4092-4096

M. Işık, N.M.Gasanly (2011), Trapping center parameters in In6S7 crystals, Physica B, 406, 2650-2653

M. Işık, N.M.Gasanly (2011), Thermally stimulated current measurements in undoped Ga3InSe4 single crystals, JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 72, 768-772

M. Işık, N.M. Gasanly, H. Ozkan (2009), Deep Trap Distribution in TlInS2 Layered Crystals, Acta Physica Polonica A, Ankara, 115, 732-737

M. Işık, N.M. Gasanly (2009), Trapping centers and their distribution in Tl2Ga2Se3S layered single crystals, Journal of Physics and Chemistry of Solids, Ankara, 70, 1048-1053

M. Işık, N.M. Gasanly, K. Goksen (2008), Trap Distribution in TlInS2 Layered Crystals from Thermally Stimulated Current Measurements, Journal of Korean Physical Society, Ankara, 52, 367-373