Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 163-182
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A study on the humidity sensing properties of ZnCr2O4-K2CrO4 ionic conductive ceramic sensor
(Elsevier Science Sa, 2006)The response to humidity of ZnCr2O4-K2CrO4 ceramic composites formed by solid-state reaction at elevated temperatures is studied. The fired ceramic body, which proved to be mainly constructed from ZnCr2O4 spinel grains, ... -
Switchable polarisation-independent blue phase liquid crystal Fresnel lens based on phase-separated composite films
(Taylor & Francis Ltd, 2017)A simple method for fabricating a polarisation independent blue-phase liquid crystal Fresnel lens (BPLCFL) is demonstrated by utilising the photo-polymerisation-induced phase separation. The BPLC/polymer binary Fresnel ... -
Synthesis and Characterization of Phenol/Urea/Formaldehyde and Clay Composites
(Polish Acad Sciences Inst Physics, 2014)Recently, so-called "phenol-formaldehyde-urea resins", which are generally made only by mechanical blending of UF resin and alkaline type PF resins, have been used as adhesives for the manufacturing of wood products. Faster ... -
Synthesis and characterization of vanadium oxide thin films on different substrates
(Springer, 2017)In this study, the V8O15 derivative of vanadium oxide was produced on plain glass, indium tin oxide and silicon wafer substrate layers by taking advantage of wet chemical synthesis which is an easy and economical method. ... -
SYNTHESIS AND OPTICAL PROPERTIES OF THE NOVEL Ho(5-SSA), (5-SSA = 5-SULFOSALICYLIC ACID) CAGE STRUCTURE
(2018)In recent years, intensive studies have been made on metal-organic frameworks (MOFs) which is kind of spongy structures having excellent original architectures formed by ligands in organic forms and metal centers classified ... -
Synthesis, characterization and photoluminescence studies of new Cu(II) complex
(Taylor & Francis Ltd, 2017)In the current work, a new coordination complex, [Cu(HL)(2)], 1 [H2L = 2-((E)-(2-hydroxypropylimino) methyl)-4-nitrophenol] was successfully synthesized and characterized by IR, UV-vis and photoluminescence spectroscopic ... -
Synthesis, characterization, antibacterial, and antifungal activities of one-dimensional O-H center dot center dot center dot O hydrogen-bonded Cu(II) and Ni(II) complexes
(Taylor & Francis Ltd, 2016)Two Schiff base complexes, [Cu(HL)(2)], 1 and [Ni(HL)(2)], 2 [H2L = 2-((E)-(2-hydroxyethylimino)methyl)-1-naptaphenol] have been synthesized and characterized by elemental analysis, H-1 NMR, C-13 NMR, IR spectroscopy, and ... -
Synthesis, Structure and Photoluminescence Analysis of a Ho3+- cluster-based 3D coordination polymer: {Ho-2(H2O)(2)(DMF)(2)(ATPA)(3)}(n)
(Springer/Plenum Publishers, 2020)A new Ho(III) cluster-based 3D coordination polymer with the formula {Ho-2(H2O)(2)(DMF)(2)(ATPA)(3)}(n)(H(2)ATPA = 2-Aminoterephthalic acid, DMF = N,N-dimethylformamide),1, has been successfully synthesized via the ... -
Synthesis, Structure and Photoluminescence Performance of a New Er3+-Cluster-Based 2D Coordination Polymer
(Springer/Plenum Publishers, 2018)A new Er3+-cluster-based 2D coordination polymer with the formula {[Er(SSA)(H2O)(2)](H2O)}(n) (SSA = 5- sulfosalicylic acid), complex 1, has been successfully synthesized via hydrothermal method and structurally characterized ... -
Temperature Dependent Current Transport Mechanism of Photopolymer Based Al/NOA60/p-Si MPS Device
(SPRINGER, 2022)A photopolymer based Al/Norland Optical Adhesive 60 (NOA60)/p-Si MPS (metal-polymer-semiconductor) device was fabricated by a combination of vacuum evaporation and smear technique. The current transport properties of the ... -
Temperature Dependent Electrical Transport in Al/Poly(4-vinylphenol)/p-GaAs Metal-Oxide-Semiconductor by Sol-Gel Spin Coating Method
(Hindawi Ltd, 2016)Deposition of poly(4-vinyl phenol) insulator layer is carried out by applying the spin coating technique onto p-type GaAs substrate so as to create Al/poly(4-vinylphenol)/p-GaAs metal-oxide-semiconductor (MOS) structure. ... -
Temperature dependent symmetry to asymmetry transition in wide quantum wells
(Elsevier, 2015)Quasi-two dimensional electron systems exhibit peculiar transport effects depending on their density profiles and temperature. A usual two dimensional electron system is assumed to have a 6 like density distribution along ... -
Texture transformations and thermo-optical properties of nematic mesogen at nematic-isotropic liquid phase transition
(Elsevier, 2014)Study of the thermo-morfologic, thermotropic and thermo-optical properties of monomorphic nematic mesogen has been carried out. Temperature behavior of the mean the refractive index n, ordinary n(0) and extraordinary n(e) ... -
Thermo-morphological properties of the smectic C* mesophase in new chiral salicyaldimine liquid crystals
(Wiley-V C H Verlag Gmbh, 2008)Specific textures and their temperature transformations in large temperature interval for the chiral smectic C* mesophase of new liquid crystalline materials, synthesized by our group, have been investigated in detail. ... -
Thermotropic cholesteric liquid crystals. Thermo-morphologic, optical refracting and birefringent properties: Direct and reverse phase transitions
(Elsevier, 2020)Temperature dependences of the average refractive index < n >, refractive indices of the ordinary ray n(o) and the extraordinary ray n(e), and the birefringence Delta n have been investigated in two cholesteric liquid ... -
Thermotropic, refracting and birefringent properties in homogeneous mixtures of 4-n-alkyl-4 '-cyanobiphenyl mesogens
(Elsevier, 2016)In this work, studies of the thermotropic and thermo-optical properties in five homogeneous mixtures of 4-n-alkyl-4'-cyanobiphenyl mesogens have been carried out. Temperature behavior of the mean refractive index n, ordinary ... -
THERMOTROPIC, REFRACTING AND THERMO-OPTICAL PROPERTIES IN THREE HOMOLOGS OF 4-N-ALKYL-4 '-CYANOBIPHENYLS
(Lithuanian Physical Soc, 2015)Investigations of temperature behaviour of the mean refractive index n, ordinary n(o) and extraordinary n(e) refractive indices, and birefringence Delta n have been carried out for three homologues of 4-n-alkyl-4'-cyanobiphenyls ... -
Tuning the magnetic and magnetocaloric properties of a compound via mixing (1–x).La0.67Ca0.33MnO3 +x.La0.67Sr0.33MnO3 (x = 0, 0.25, 0.50, 0.75, 1): Composite materials or composite compounds?
(Elsevier B.V., 2023)This study aims to optimize the magnetic and magnetocaloric properties of composite materials (or compounds) produced by mixing different ratios of two manganite compounds having different structural, magnetic, and ... -
Tunneling-Enhanced Recombination in Polycrystalline CdS/CdTe Solar Cells
(Scientific Technical Research Council Turkey-Tubitak, 2006)The dominant dark current transport mechanism in as-grown and CdCl2 processed CdS/CdTe heterojunction solar cells for temperatures below 300 K was investigated. The current-voltage properties of these solar cells is explained ... -
Tunnelling enhanced recombination in polycrystalline CdS/CdTe and CdS/Cu(In,Ga)Se-2 heterojunction solar cells
(Pergamon-Elsevier Science Ltd, 2005)This article investigates the results of current-voltage measurements made at different temperatures on vacuum deposited ZnO/CdS/Cu(In,Ga)Se-2 and CdS/CdTe heterojunction solar cells. We propose that the current-voltage ...