Bölüm "Fakülteler, Fen Edebiyat Fakültesi, Fizik Bölümü" için listeleme
Toplam kayıt 105, listelenen: 21-40
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Correlation of DC and AC electrical properties of Al/p-Si structure by I-V-T and C(G/omega)-V-T measurements
(Elsevier Sci Ltd, 2009)Current-voltage-temperature and admittance-gate bias-temperature measurements were performed on Al/p-Si structure to investigate transport and storage properties. In forward direction of former measurement, three distinct ... -
Cylindrically symmetric vacuum solutions in higher dimensional Brans-Dicke theory
(Amer Inst Physics, 2010)Higher dimensional, static, cylindrically symmetric vacuum solutions with and without a cosmological constant in the Brans-Dicke theory are presented. We show that for a negative cosmological constant and for specific ... -
CZTSSe thin films fabricated by single step deposition for superstrate solar cell applications
(Springer New York LLC, 2019)The focus of this study is the characterization of Cu2ZnSn(S,Se)4 (CZTSSe) thin films and fabrication of CZTSSe solar cell in superstrate configuration. In this work, superstrate-type configuration of glass/ITO/CdS/CZTSSe/Au ... -
Deposition of CZTSe thin films and illumination effects on the device properties of Ag/n-Si/p-CZTSe/In heterostructure
(Elsevier Science Sa, 2017)Characterization of Cu2ZnSnSe4 (CZTSe) thin films deposited by thermal evaporation sequentially from the pure elemental sources and in-situ post annealing was carried out at 400 C under Se evaporation atmosphere. Another ... -
Determination of current transport characteristics in Au-Cu/CuO/n-Si Schottky diodes
(Elsevier B.V., 2019)In this study, the material properties of CuO thin films fabricated by sputtering technique and electrical properties of CuO/n-Si structure were reported. Temperature-dependent current-voltage (I-V) measurement was carried ... -
Determination of height profile from a two-dimensional fringe signal using a two-dimensional continuous wavelet transform
(Scientific Technical Research Council Turkey-Tubitak, 2017)The main objective of this study was 3-dimensional (3D) profile measurements with standard fringe projection, consisting of a CCD and a projector. For obtaining height information of objects pixel by pixel, phases have to ... -
Determination of phase from the ridge of CWT using generalized Morse wavelet
(Iop Publishing Ltd, 2018)The selection of wavelet is an important step in order to determine the phase from the fringe patterns. In the present work, a new wavelet for phase retrieval from the ridge of continuous wavelet transform (CWT) is presented. ... -
The diamagnetic susceptibility of hydrogenic donor in two-dimensional semiconductors with anisotropic effective mass of carriers
(Academic Press Ltd- Elsevier Science Ltd, 2012)In this study, the effects of quantum confinement and effective mass anisotropy parameter on the diamagnetic susceptibility of a hydrogenic donor placed in GaAs. Si, and Ge quantum wells with infinite confinement potential ... -
Effect of (Mo, W) substitution for Nb on glass forming ability and magnetic properties of Fe-Co-based bulk amorphous alloys fabricated by centrifugal casting
(Elsevier Science Sa, 2011)In this study, effects of simultaneous Mo and W substitution for Nb additions on the stability and magnetic properties of Fe-Co-based bulk metallic glass (BMG) alloys fabricated by centrifugal casting are investigated. The ... -
Effect of Thickness on Magnetic Properties of Fe36Co36B19.2Si4.8Mo2W2 Thin Film Prepared by Thermionic Vacuum Arc
(Polish Acad Sciences Inst Physics, 2012)Fe36Co36B19.2Si4.8Mo2W2 amorphous thin films have been produced by thermionic vacuum arc with thickness varying from 200 nm to 260 mn. X-ray diffraction has been employed to reveal a predominant amorphous phase in the ... -
The effect of Zn concentration on the structural and optical properties of Cd1-xZnxS nanostructured thin films
(Springer, 2021)The structural and optical properties of electrodeposited Cd1-xZnxS nanostructured thin films were investigated in the present paper for compositions of x = 0, 0.03, 0.06 and 0.09. X-ray diffraction patterns of the deposited ... -
Effects of Van der Waals Interaction and Hubbard Term Correction on First Principles Calculations of Structural and Lattice Dynamical Properties of AgCl
(2022)Structural, dielectric, and lattice dynamical properties of AgCl in the rock-salt structure are studied using density functional theory within generalized gradient approximation(GGA) in Perdew-Burke-Erzhenhof(PBE) ... -
Electrical characterization of CdZnTe/Si diode structure
(Springer, 2020)Temperature-dependent current-voltage (I- V) , and frequency dependent capacitance-voltage (C- V) and conductance-voltage (G- V) measurements were performed in order to analyze characteristics of CdZnTe/Si structure. ... -
Electrical properties of FePc organic semiconductor thin films obtained by CSP technique for photovoltaic applications
(Elsevier Sci Ltd, 2015)Iron-phthalocyanine (FePc) organic semiconductor thin films were prepared on Corning glass and c-Si substrates at a substrate temperature of 150 degrees C by a chemical spray pyrolysis (CSP) technique. The structural ... -
Electrical, structural and morphological properties of Ni/n-Si contacts
(Natl Inst Optoelectronics, 2009)This paper presents structural, morphological and electrical properties of Ni/n-Si contacts formed by electro-deposition technique. Ni film is deposited on n-type Si (100) substrate using 2 mol/L Nickel Sulphamate, 0.5 ... -
Excess Capacitance Due to Minority Carrier Injection in CrSi2/p-Type Crystalline Si Isotype Junction
(Iop Publishing Ltd, 2010)Excess current and capacitance phenonema were observed for the first time on a CrSi2/p-type crystalline silicon junction produced by cathodic arc physical vapor deposition. The heterojunction was investigated by ... -
Fabrication of CdSeXTe1-x thin films by sequential growth using double sources
(Elsevier, 2021)CdSexTe(1-x) (CST) ternary thin films were fabricated by stacking thermally evaporated CdSe and electron beam evaporated CdTe layers. The final structure was achieved in a stoichiometric form of approximately Cd:Se:Te = ... -
Fotovoltaik Uygulamalar için GLAD Tekniği ile Büyütülen Spiral Nano Şekilli a-Si İnce Filmlerin Elektriksel ve Yapısal Özelliklerinin İncelenmesi
(2017)Spiral nano şekilli a-Si ince filmler c-Si altlıklar üzerine elektron demeti buharlaştırma sistemi içerisinde GLAD tekniği kullanılarak hazırlanmıştır. Spiral nano şekilli ince filmlerin yapısal özellikleri X-ışınları ... -
Frequency effect on electrical and dielectric characteristics of In/Cu 2 ZnSnTe 4 /Si/Ag diode structure
(Springer New York LLC, 2019)In/Cu 2 ZnSnTe 4 /Si/Ag diode structure was fabricated by sputtering Cu 2 ZnSnTe 4 (CZTTe) thin film layer on the Si layer with In front contact. The frequency dependent room temperature capacitance and conductance ... -
Generalized Morse wavelet for the determination of the birefringence of a liquid crystal cell
(Iop Publishing Ltd, 2015)The generalized Morse wavelet (GMW) was improved as an alternative tool to determine the birefringence dispersion of a liquid crystal (LC) material by using the transmittance spectrum. The GMW has two degrees of freedom ...