Güncel Gönderiler: Fizik Bölümü Koleksiyonu
Toplam kayıt 189, listelenen: 161-180
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Antiferromagnetic Coupling in a New Mn(III) Schiff Base Complex with Open-Cubane Core: Structure, Spectroscopic and Luminescence Properties
(Springer/Plenum Publishers, 2018)A new open-cubane Mn-III, [{(H2O)(MnL)-L-III}{(MnL)-L-III}](2)center dot 2(CH3OH).2(CH3CH2OH)center dot 2Cl, 1 where H (2) L=[N-(2-hydroxyethyl)-3-methoxysalicylaldimine] has been synthesized and characterized by element ... -
Morphologic Properties, Texture Transformations and Optical Refracting Properties: Aqueous Bicomponent Amphiphilic Lyotropic Systems
(Carl Hanser Verlag, 2018)The mesomorphic, morphologic and optical refracting properties of the bicomponent amphiphilic lyotropic systems have been investigated. Five amphiphiles with various concentration combinations as cationic - cationic, anionic ... -
Crystal Structure and Luminescence Properties of a New Two-Dimensional Gd(III) Complex
(Springer/Plenum Publishers, 2018)Gd(III) ions display fascinating luminescence properties. Therefore, a new two dimensional polymeric Gd(III) complex, {[Gd(2-stp)center dot 3(H2O)]center dot(H2O)}(n), [2-stp = 2-sulfoterephthalate] has been synthesized ... -
Lanthanum ion substituted cobalt ferrite nanoparticles and their hyperthermia efficiency
(Elsevier Science Bv, 2018)We investigated the structural, compositional, and magnetic properties as well as the AC magnetic hyperthermic response of CoFe2-xLaxO4 (x = 0.0; 0.2; 0.5) nanoparticles. We found that the La3+ ions substituted into the ... -
Structural and spectroscopic characterization of a new luminescent Ni-II complex: bis{2,4-dichloro-6-[(2-hydroxypropyl)iminomethyl]-phenolato-kappa O-3, N, O '}nickel(II)
(Int Union Crystallography, 2018)The design and preparation of transition-metal complexes with Schiff base ligands are of interest due to their potential applications in the fields of molecular magnetism, nonlinear optics, dye-sensitized solar cells ... -
Room temperature I-V and C-V characteristics of Au/mTPP/p-Si organic MIS devices
(Edp Sciences S A, 2018)The room temperature electrical characteristics of the organic Au/mTPP/p-Si device fabricated by spin coating method were investigated with I V and C V measurements. It has been determined that the device has a high ... -
Cyan-Blue Luminescence and Antiferromagnetic Coupling of CN-Bridged Tetranuclear Complex Based on Manganese(III) Schiff Base and Hexacyanoferrate(III)
(Springer/Plenum Publishers, 2018)A new tetranuclear cyanide-bridged Mn-III-Fe-III complex based on manganese(III) Schiff base and hexacyanoferrate(III) units, [Mn(L)(MeOH)(2)][{Mn(L)}{Fe(CN)(6)}{Mn(L)(MeOH)}]center dot 2MeOH, [H2L=N,N'-bis(2-hydroxy-1-n ... -
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 ... -
Optical properties of selenium sulfide thin film produced via chemical dropping method
(Springer, 2018)This paper describes the production of selenium sulfide (SeS2) crystalline thin film on commercial glass substrates, via chemical bath deposition. Transmittance, absorption, dielectric constant and refractive index of the ... -
New method for computing single diode model parameters of photovoltaic modules
(Pergamon-Elsevier Science Ltd, 2018)The objective of this paper is to calculate the single diode model parameters (A, R-s, R-sh, I-L, and I-0) of photovoltaic modules in most straightforward way no using iterative techniques and an additional information of ... -
Investigation of the viscoelastic properties of 4-propoxy-biphenyl-4-carbonitrile
(Taylor & Francis Ltd, 2019)We report on the temperature-dependent measurements of dielectric permittivity, birefringence, elastic constants and rotational viscosity for 4-propoxy-biphenyl-4-carbonitrile in the nematic region. The temperature dependence ... -
Comparative Heating Efficiency of Cobalt-, Manganese-, and Nickel-Ferrite Nanoparticles for a Hyperthermia Agent in Biomedicines
(Amer Chemical Soc, 2019)In this study, the ac magnetic hyperthermia responses of spinel CoFe2O4, MnFe2O4, and NiFe2O4 nanoparticles of comparable sizes (similar to 20 nm) were investigated to evaluate their feasibility of use in magnetic hyperthermia. ... -
Shape of Micelles and Temperature and Concentration Behavior of Optical Refractive Properties: Single Amphiphilic and Mixed Bicomponent Amphiphilic Lyotropic Systems
(Springer International Publishing Ag, 2019)Lyotropic systems are bicomponent and/or multicomponent mixtures display physically isotropic and physically anisotropic properties and exhibit various types of isotropic lyotropic phases and anisotropic lyotropic mesophases. ... -
Peculiarities of Defective Formations in Heterophase Regions of the Thermotropic Phase Transitions in Liquid Crystals
(Wiley-V C H Verlag Gmbh, 2019)A unique feature of phase transitions in liquid crystalline materials is the availability of heterophase regions. In such regions, the simultaneous coexistence of high temperature and low temperature phases takes place. ... -
Improving the performance of inverted polymer solar cells through modification of compact TiO2 layer by different boronic acid functionalized self-assembled monolayers
(Elsevier Science Bv, 2019)In this study, we demonstrate the use of a series of boronic acid functionalized self-assembled monolayers (SAMs) to improve photovoltaic device performance P3HT and PCBM based solar cells. The SAMs treated compact TiO2 ... -
Regimes of current transport mechanisms in CdS/CdTe solar cells
(Iop Publishing Ltd, 2019)Forward bias recombination (current transport) mechanisms have been evaluated for thin film solar cells and correlated to the in-gap trap levels present. Here CdTe/CdS devices were chosen as an archetypal example of a ... -
High-diffraction-efficiency Fresnel lens based on annealed blue-phase liquid crystal-polymer composite
(Taylor & Francis Ltd, 2019)We demonstrated a relatively simple and effective method to fabricate a periodically isolated polymer wall of blue-phase liquid crystal Fresnel lens (BPLCFL) by employing a single-masking process of the ultraviolet (UV) ... -
Peculiarities of thermo-morphologic and thermotropic transformations of heterophase regions: nematic <-> isotropic phase transition in 4-n-Alkyl-4 '-cyanobiphenyl mesogens
(Natl Inst Optoelectronics, 2019)Important peculiarity of phase transitions in liquid crystalline materials is availability of the heterophase regions, in which low temperature and high temperature phases simultaneously take place. In this work, peculiarities ... -
Lyotropic Lamellar Mesophase. Magneto-Morphologic Transformations and Optical Refracting Properties: Effect of Optically Active Dopants
(Carl Hanser Verlag, 2020)Effect of optically active dopants on the morphologic and optical refracting properties of the lyotropic liquid crystalline mesophase with anisometric micelles has been investigated. Lyotropic lamellar mesophases, which ... -
The effects of air, oxygen and water exposure on the sub-bandgap absorption, the electronic conductivity and the ambipolar diffusion length in highly crystalline microcrystalline silicon films for photovoltaic applications
(Springer, 2020)Reversible and irreversible changes due to long term air and short term de-ionized water (DIW) or pure oxygen exposure were investigated in about 1 mu m thick hydrogenated microcrystalline silicon (mu c-Si:H) films deposited ...
