Başlık için Fizik Bölümü Koleksiyonu listeleme
Toplam kayıt 189, listelenen: 166-185
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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 ... -
Understanding the Origin of Thermal Annealing Effects in Low-Temperature Amorphous Silicon Films and Solar Cells
(WILEY-V C H VERLAG GMBH, 2022)A detailed investigation of the effects of prolonged postdeposition annealing on the performance of amorphous silicon (a-Si:H) solar cells and the properties of individual a-Si:H layers that are fabricated at low temperature ... -
Unparticle effects in rare t -> cgg decay
(Amer Physical Soc, 2008)In this work the flavor-changing, rare t -> cgg decay induced by mediation of scalar and tensor unparticles is studied. Using the standard model result for the branching ratio of the t -> cgg decay, the parameter space of ... -
Viscoelasticity, dielectric anisotropy, and birefringence in the nematic phase of three four-ring bent-core liquid crystals with an L-shaped molecular frame
(Royal Soc Chemistry, 2013)Molecular shape is an important factor in determining the material properties of thermotropic liquid crystals (LCs). We synthesized and investigated several LC compounds formed by asymmetrically bent molecules with a rigid ...
