Bölüm "Fakülteler, Fen Edebiyat Fakültesi, Fizik Bölümü" için listeleme
Toplam kayıt 105, listelenen: 41-60
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The generalized Morse wavelet method to determine refractive index dispersion of dielectric films
(Iop Publishing Ltd, 2017)The continuous wavelet transform (CWT) method is a useful tool for the determination of refractive index dispersion of dielectric films. Mother wavelet selection is an important factor for the accuracy of the results when ... -
Generalized Morse wavelets for the phase evaluation of projected fringe pattern
(Iop Publishing Ltd, 2014)Generalized Morse wavelets are proposed to evaluate the phase information from projected fringe pattern with the spatial carrier frequency in the x direction. The height profile of the object is determined through the phase ... -
GLAD Tekniği ile Büyütülen Zig-Zag Nano Şekilli a-Si/c-Si Heteroeklemlerin Elektriksel ve Fotovoltaik Özelliklerinin İncelenmesi
(2017)Zig-zag nano şekilli a-Si ince filmler c-Si altlıklar üzerine elektron demeti buharlaştırma sistemi içerisinde GLAD tekniği kullanılarak hazırlanmıştır. Zig-zag nano şekilli ince filmlerin yapısal özellikleri X-ışınları ... -
Growth and Characterization of Stoichiometric Cu2ZnSnS4 Crystal Using Vertical Bridgman Technique
(John Wiley and Sons Inc, 2022)Stoichiometric Cu2ZnSnS4 (CZTS) single phase crystals are successfully grown in a single-zone vertical furnace by Bridgman technique. X-ray diffraction (XRD) and Raman spectroscopy measurements are employed to investigate ... -
Growth and optical characterization of Sn0.6Sb0.4Se layer single crystals for optoelectronic applications
(Elsevier Sci Ltd, 2022)SnSe compound is an attractive semiconductor material due to its usage in photovoltaic applications. The sub-stitution of Sb in the SnSe compound presents a remarkable advantage especially in point of tuning optical ... -
Growth, Electrical, and Optical Study of ZnS:Mn Thin Films
(Polish Acad Sciences Inst Physics, 2012)In this study, ZnS and Mn-incorporated (at 2%, 4%, and 6%) ZnS films were deposited onto glass substrates by ultrasonic spray pyrolysis technique, and the effect of Mn incorporation on the electrical and optical properties ... -
Higher dimensional cylindrical or Kasner type electrovacuum solutions
(Springer/Plenum Publishers, 2013)We consider a dimensional Kasner type diagonal spacetime where metric functions depend only on a single coordinate and electromagnetic field shares the symmetries of spacetime. These solutions can describe static cylindrical ... -
Illumination and voltage effects on the forward and reverse bias current-voltage (I-V) characteristics in In/In2S3/p-Si photodiodes
(Springer, 2021)The illumination and voltage effects on the I-V measurements of the fabricated In/In2S3/p-Si photodiode were investigated in dark and under various illumination intensities (20–100 mW/cm2) between ± 2 V. Two linear regions ... -
The Importance of Examining Antinuclear Antibody (Ana) in Neurological Diseases
(Nobel Ilac, 2013)Objective: In neurological clinical practice screening test for ANA (Anti-nuclear antibody) is helpful in the diagnosis of autoimmune diseases which have neurological involvement. ANA investigation tests might be positive ... -
An Improved Method For Determination of Refractive Index of Absorbing Films: A Simulation Study
(Amer Inst Physics, 2017)In this work an improved version of the method presented by Gandhi was presented for determination of refractive index of absorbing films. In this method local maxima of consecutive interference order in transmittance ... -
An Improved Method for Determination of Refractive Index of Dielectric Films from Reflectance Spectrum by Using the Generalized Morse Wavelet
(Sciendo, 2021)The Generalized Morse Wavelet (GMW) algorithm was adapted to determine the refractive index of dielectric film from the reflectance spectrum. A theoretically generated reflectance spectrum in the range of 300-1200 nm ... -
An Improved Method For the Determination of Birefringence Dispersion of Liquid Crystal Cell: A Simulation Study
(Amer Inst Physics, 2016)An improved approach to determine the birefringence dispersion of a liquid crystal cell was presented. Using the local maxima or minima of the transmittance spectrum of liquid crystal cell is a very convenient method for ... -
Improvement in electrical and photovoltaic properties of a-Si/c-Si heterojunction with slanted nano-columnar amorphous silicon thin films for photovoltaic applications
(Elsevier Science Bv, 2015)The flat a-Si and slanted nanocolumnar (S-nC) a-Si thin films were prepared on c-Si and corning glass substrates by e-beam physical vapor deposition (EB-PVD) technique. The structural properties of all the grown thin films ... -
The influence of Er3+ doping on the structural and optical properties of CeO2 thin films grown by PED
(Elsevier Science Bv, 2013)Erbium doped CeO2 thin films were deposited on both Corning glass substrates and indium doped tin oxide (ITO) coated glass substrates by pulsed e-beam deposition (PED) method at room temperature. Structural features of Er ... -
Investigation of band gap energy versus temperature for SnS2 thin films grown by RF-magnetron sputtering
(Elsevier B.V., 2020)SnS2 thin films grown by magnetron sputtering technique were characterized by structurally and optically in the present work. Crystalline parameters, atomic compositions, and surface characteristics of SnS2 thin films were ... -
Investigation of carrier transport mechanisms in the Cu-Zn-Se based hetero-structure grown by sputtering technique
(Canadian Science Publishing, Nrc Research Press, 2018)In this paper, we present results of the electrical characterization of n-Si/p-Cu-Zn-Se hetero-structure. Sputtered film was found in Se-rich behavior with tetragonal polycrystalline nature along with (112) preferred ... -
Investigation of electrical characteristics of Ag/ZnO/Si sandwich structure
(Springer New York LLC, 2019)In this study, temperature-dependent current–voltage (I–V), frequency-dependent capacitance–voltage (C–V) and conductance–voltage (G/ ?- V) measurements are carried out for the electrical characterization of a zinc oxide ... -
Investigation of precursor sequence and post-annealing effects on the properties of Cu2SnZnSe4 thin films deposited by the elemental thermal evaporation
(Iop Publishing Ltd, 2017)Cu2ZnSnSe4 (CZTSe) thin films were deposited onto soda lime glass substrates by thermal evaporation using the pure elemental sources. The influence of the sequential deposition order of Zn and Sn precursor layers for ... -
Investigation of structural and electrical properties of flat a-Si/c-Si heterostructure fabricated by EBPVD technique
(American Institute of Physics Inc., 2013)Flat amorphous silicon - crystal silicon (a-Si/c-Si) heterostructure were prepared by ultra-high vacuum electron beam evaporation technique on p-Si (111) and n-Si (100) single crystal substrates. Structural analyses were ... -
Investigation of structural and electrical properties of p-CuPc/c-Si and p-CuPc/a-Si/c-Si hybrid photodiodes prepared by CSP technique
(Elsevier Science Bv, 2014)To produce p-CuPc/c-Si and p-CuPc/a-Si/c-Si heterojunctions, at first, amorphous silicon thin film was deposited on p-Si (111) and n-Si (100) single crystalline substrates by high vacuum electron beam evaporation technique. ...