Yazar "Işık, Mehmet" için listeleme
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Analysis of temperature-dependent transmittance spectra of Zn0.5In0.5Se (ZIS) thin films
Işık, Mehmet; Güllü, Hasan Hüseyin; Delice, Serdar; Gasanly, Nizami Mamed; Parlak, Mehmet (Springer New York LLC, 2019)Temperature-dependent transmission experiments of ZnInSe thin films deposited by thermal evaporation method were performed in the spectral range of 550–950 nm and in temperature range of 10–300 K. Transmission spectra ... -
Characterization of trap centers in Gd2O3 nanoparticles by low temperature thermoluminescence measurements
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier GmbH, 2018)Trapping centers in Gd2O3 nanoparticles were investigated using thermoluminescence (TL) measurements in the below room temperature region of 10–280 K. Seven peaks having peak maximum temperatures between 30 and 252 K were ... -
Effect of heating rate on thermoluminescence characteristics of Y2O3 nanoparticles
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier B.V., 2019)The present paper reports the results of heating rate dependencies of thermoluminescence (TL)peaks observed for Y 2 O 3 nanoparticles in the below room temperature region. TL glow curve presented six peaks around 62.5, ... -
Investigation of optical properties of Bi12GeO20 sillenite crystals by spectroscopic ellipsometry and Raman spectroscopy
Işık, Mehmet; Delice, Serdar; Gasanly, Nizami; Bagiev, Vidadi E. (Elsevier Ltd, 2020)Bi12GeO20 (BGO) compound is one of the fascinating members of sillenites group due to its outstanding photorefractive and photocatalytic characteristics. The present paper aims at investigating optical properties of BGO ... -
Low temperature thermoluminescence behaviour of Y2O3 nanoparticles
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Chinese Society of Rare Earths, 2019)Y2O3 nanoparticles were investigated using low temperature thermoluminescence (TL) experiments. TL glow curve recorded at constant heating rate of 0.4 K/s exhibits seven peaks around 19, 62, 91, 115, 162, 196 and 215 K. ... -
Low temperature thermoluminescence of Gd2O3 nanoparticles using various heating rate and Tmax − Texc. methods
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier B.V., 2019)Thermoluminescence (TL) measurements for Gd 2 O 3 nanoparticles were carried out for various heating rates between 0.3 and 0.8 K/s at low temperatures (10–280 K). TL spectrum exhibited two observable and one faint peaks ... -
Optical characteristics of Bi12SiO20 single crystals by spectroscopic ellipsometry
Işık, Mehmet; Delice, Serdar; Nasser, H.; Gasanly, Nizami Mamed; Darvishov, N. H.; Bagiev, V. E. (Elsevier, 2020)Structural and optical characteristics of Bi12SiO20 single crystal grown by the Czochralski method were investigated by virtue of X-ray diffraction (XRD) and spectroscopic ellipsometry measurements. XRD analysis indicated ... -
Structural and temperature-dependent optical properties of thermally evaporated CdS thin films
Işık, Mehmet; Güllü, Hasan Hüseyin; Delice, Serdar; Parlak, Mehmet; Gasanly, Nizami Mamed (Elsevier Ltd, 2019)In this work, structural and temperature dependent optical properties of thermally evaporated CdS thin films were investigated. X-ray diffraction, energy dispersive spectroscopy and Raman spectroscopy experiments were ... -
Study on thermoluminescence of TlInS2 layered crystals doped with Pr
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier Ltd, 2018)Praseodymium (Pr) doped TlInS2 crystals were studied by means of thermoluminescence (TL) measurements performed below room temperature with various heating rates. Detected TL signal exhibited glow curve consisting in ... -
Temperature dependence of band gaps in sputtered SnSe thin films
Delice, Serdar; Işık, Mehmet; Güllü, Hasan Hüseyin; Terlemezoğlu, Makbule; Bayraklı Sürücü, Özge; Parlak, Mehmet; Gasanly, Nizami Mamed (Elsevier Ltd, 2019)Temperature-dependent transmission experiments were performed for tin selenide (SnSe) thin films deposited by rf magnetron sputtering method in between 10 and 300 K and in the wavelength region of 400–1000 nm. Transmission ... -
Temperature-dependent band gap characteristics of Bi12SiO20 single crystals
Işık, Mehmet; Delice, Serdar; Gasanly, Nizami; Darvishov, Namiq H.; Bagiev, Vidadi E. (American Institute of Physics Inc., 2019)Bi12SiO20 single crystals have attracted interest due to their remarkable photorefractive characteristics. Since bandgap and refractive index are related theoretically to each other, it takes much attention to investigate ... -
Trap distribution in AgIn5S8 single crystals: Thermoluminescence study
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier Ltd, 2018)Distribution of shallow trap levels in AgIn5S8 crystals has been investigated by thermoluminescence (TL) measurements performed below room temperature (10–300 K). One broad TL peak centered at 33 K was observed as constant ... -
Traps distribution in sol-gel synthesized ZnO nanoparticles
Delice, Serdar; Işık, Mehmet; Gasanly, Nizami Mamed (Elsevier B.V., 2019)The distribution of shallow traps within the sol-gel synthesized ZnO nanoparticles was investigated using thermoluminescence (TL) experiments in the 10–300 K temperature range. TL measurements presented two overlapped peaks ...