Güncel Gönderiler: Fizik Bölümü Koleksiyonu
Toplam kayıt 189, listelenen: 141-160
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Refractive and birefringent properties of 4-alkyl-4 '-oxycyanobiphenyls at direct and reverse phase transitions
(Taylor & Francis Ltd, 2017)Studies of temperature behavior of the mean refractive index, ordinary and extraordinary refractive indices, and birefringence have been carried out for three nematogens. The thermo-morphologic properties of the biphasic ... -
Magnetic properties and sensitized visible and NIR luminescence of Dy-III and Eu-III coordination polymers by energy transfer antenna ligands
(Taylor & Francis Ltd, 2017)Two coordination polymers, {[Ln(2-stp)(4,4 '-bipy)(H2O)]center dot(H2O)}, [Ln = Dy (1) and Eu (2), 2-stp = 2-sulfoterephthalate and 4,4 '-bipy = 4,4 '-bipyridine] have been characterized by solid state UV-vis, FTIR spectra, ... -
VitD3-loaded solid lipid nanoparticles: stability, cytotoxicity and cytokine levels
(Taylor & Francis Ltd, 2017)Vitamin D3 (VitD3) has several beneficial effects on many metabolic pathways such as immunity system, bone development. The aim of the study, encapsulation of VitD3 with solid lipids, determine encapsulation efficiency and ... -
N-Acetylglucoseamine modified alginate sponges as scaffolds for skin tissue engineering
(Tubitak Scientific & Technical Research Council Turkey, 2017)In the treatment of dermal wounds, wound-dressing materials prepared from natural mucopolysaccharides are widely used because of their advantages such as nonirritation, nontoxicity, and ease in topical application. In the ... -
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 ... -
Interface Effects of Annealing Temperatures in Al/HfO2/p-Si (MIS) Structures
(Gazi Univ, 2017)In this study, Al/HfO2/p-Si (MIS) structures were prepared by using the sol-gel method for three different annealing temperatures. The current-voltage (I-V) and capacitance-voltage (C-V) characteristics of these structures ... -
Electrically tunable polarisation-independent blue-phase liquid crystal binary phase grating via phase-separated composite films
(Taylor & Francis Ltd, 2017)A simple method for fabricating polarisation-independent blue-phase liquid crystal phase grating is demonstrated by implementing photopolymerisation-induced phase separation through a binary photomask. The dynamic focusing ... -
A new method to simulate photovoltaic performance of crystalline silicon photovoltaic modules based on datasheet values
(Pergamon-Elsevier Science Ltd, 2017)Determination of photovoltaic performance based on single diode model and various methods requires iterative techniques, additional mandatory information and users with a certain level of knowledge. Further, the most of ... -
Lyotropic mesophase in amphiphile plus aliphatic alcohol mixtures with additions of water: mesomorphic, thermomorphologic, and optical refracting properties
(Springer, 2017)Amphiphile + aliphatic alcohol lyotropic systems with addition of water can form micelles with normal, mixed, and inverse type. Such systems display various types of mesophases and exhibit interesting structural, physical, ... -
Crystal structure and photoluminescence properties of a new monomeric copper(II) complex: bis(3-{[(3-hydroxypropyl) imino] methyl}-4-nitro-phenolato-kappa O-3, N, O ') copper(II)
(Int Union Crystallography, 2017)Copper(II)-Schiff base complexes have attracted extensive interest due to their structural, electronic, magnetic and luminescence properties. The title novel monomeric Cu II complex, [Cu(C10H11N2O4)(2)], has been synthesized ... -
Comparative Investigations of Light Transmission in Aligned and Non-aligned Textures of Homogeneous Mixtures of 4-n-alkyl-4'-Cyanibiphenyl Mesogens at Direct and Reverse smectic A <-> isotropic liquid Phase Transitions
(Springer, 2017)The thermo-optical properties of various types of textures (the homeotropic, planar, and tilted aligned and non-aligned textures) in liquid crystalline materials with smectic A mesophase have been investigated. Investigations ... -
Functionalized organic semiconductor molecules to enhance charge carrier injection in electroluminescent cell
(Elsevier Science Bv, 2017)Organic semiconductor (OSC) materials as a charge carrier interface play an important role to improve the device performance of organic electroluminescent cells. In this study, 4,4"-bis(diphenyl amino)-1,1':3',1"-terphen ... -
The Effects of Structural, Thermal, and Magnetic Properties of Hexylbenzene-Doped MgB2 Superconductor
(Springer, 2017)The effects of the amount of hexylbenzene additive (C12H18) on the structural, thermal, and magnetic properties of MgB2 superconductor are examined in this study. Pure and hexylbenzene-doped MgB2 bulk samples were produced ... -
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. ... -
2-and 1-D coordination polymers of Dy(III) and Ho(III) with near infrared and visible luminescence by efficient charge-transfer antenna ligand
(Elsevier Science Bv, 2017)Two new lanthanide-based coordination complexes, [Dy(2-stp).2(H2O)]n (1) and {[Ho(2-stp).3(H2O)]center dot(H2O)}(n) (2) [2-stp = 2-sulfoterephthalic acid] were synthesized by hydrothermal reaction and characterized by ... -
Enhancing the c-TiO2 based perovskite solar cell performance via modification by a serial of boronic acid derivative self-assembled monolayers
(Elsevier, 2017)Morphological control of MAPbI(3) crystal growth is one of the most important factor to fabricate high efficient perovskite solar cells. Herein, different boronic acid derivative self-assemble monolayers were used for ... -
Ferromagnetic interactions in new double end-on-azide-bridged dinuclear Ni(II) complex: Synthesis, crystal structures, magnetic and photoluminescence properties
(Elsevier Science Bv, 2017)A new double end-on azide-bridged dinuclear nickel(II) Schiff base complex, [Ni-2(mu(1,1)-N-3)(2)(HL)(2)(MeOH)(2)], [HL = 2-[(2-hydroxypropylimino)methyl)-3,5-chlorophenoll has been synthesized and characterized by elemental ... -
Phase Boundaries, Optical Refraction and Specific Electrical Conductivity Properties in Lyotropic Micellar L-1 Phase: Bicomponent Amphiphilic (DDTMABr plus HDTMABr) plus Water System
(Carl Hanser Verlag, 2018)In this work, complex investigations of the temperature and concentration behaviour of the optical refraction properties and specific electrical conductivity properties in lyotropic micellar L-1 phase have been carried ... -
The influence of diluter system on polymer-stabilised blue-phase liquid crystals
(Taylor & Francis Ltd, 2018)In the present work, diluter effects on the phase transition temperatures and electro-optical properties of the polymer-stabilised blue-phase liquid crystals with microsecond respond time have been carried out. The temperature ... -
A comparison of the magnetism of cobalt-, manganese-, and nickel-ferrite nanoparticles
(Iop Publishing Ltd, 2018)The microstructure, composition and magnetism of CoFe2O4, MnFe2O4 and NiFe2O4 nanoparticles of comparable sizes (similar to 20 nm) and interparticle spacings (similar to 20 nm) have been characterized from 10 to 400 K. The ...
