Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 668, listelenen: 621-640
-
Magnetic characterizations of cobalt oxide nanoparticles
(Springer, 2012)Cobalt oxide (Co3O4) nanoparticles were synthesized by a novel microwave-assisted decomposition reaction of the cobalt nitrate hexahydrate, Co(NO3)(2)a <...6H(2)O. While most of the traditional methods for the preparation ... -
Effect of synthesis parameters on the properties of superparamagnetic iron oxide nanoparticles
(Springer, 2012)Iron oxide nanoparticles were coprecipitated in air medium using different sodium hydroxide (NaOH) concentrations, and their structural and magnetic properties were studied. It was observed that the precipitation of ... -
Calculations of the transmitted gamma photons through infinite slabs
(Springer Singapore Pte Ltd, 2018)The intensity and number of transmitted multiple scattered photons are calculated for 0.123, 0.320, 0.511, 0.662, and 1.115 MeV gamma photons normally incident on slabs of carbon, aluminum, iron, copper, water, muscle, ... -
Antiferromagnetic coupling in a new mn(ııı) 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 ... -
A study on total thickness dependency: microstructural, magnetoresistance and magnetic properties of electrochemically deposited permalloy based multilayers
(Springer, 2015)Electrochemically deposited permalloy based NiFe/Cu multilayers, relating their magnetic and magnetoresistance properties with crystal structure and the corresponding film composition were studied as a function of the total ... -
Current-Transport Mechanisms in the AlInN/AlN/GaN single-channel and AlInN/AlN/GaN/AlN/GaN double-channel heterostructures
(Elsevier Science Sa, 2013)Current-transport mechanisms were investigated in Schottky contacts on AlInN/AlN/GaN single channel (SC) and AlInN/AlN/GaN/AlN/GaN double channel (DC) heterostructures. A simple model was adapted to the current-transport ... -
Preparation of langmuir-blodgett thin films of calix[6 ]arenes and p-tert butyl group effect on their gas sensing properties
(Elsevier Science BV, 2015)Organic vapor sensing properties of Langmuir-Blodgett (LB) thin films of p-tert-butyl calix[6] arene and calix[6]arene, and their certain characterization are reported in this work. LB films of these calixarenes have been ... -
Hydrothermal synthesis, crystal structure, luminescent and magnetic properties of a new mononuclear Gd-III coordination complex
(Elsevier Science, 2018)A new Gd-III coordination complex, {[Gd(2-stp)(2)(H2O)(6)]center dot 2(4,4'-bipy)center dot 4(H2O)}, complex 1, (2-stp = 2-sulfoterephthalate anion and 4,4'-bipy = 4,4'-bipyridine), has been synthesized by hydrothermal ... -
Charged Higgs boson in MSSM and beyond
(Amer Physical Soc, 2018)We conduct a numerical study over the constrained MSSM (CMSSM), next-to-MSSM (NMSSM) and U(1) extended MSSM (UMSSM) to probe the allowed mass ranges of the charged Higgs boson and its dominant decay patterns, which might ... -
An optical vapor sensor based on amphiphilic block copolymer langmuir-blodgett films
(IEEE, 2018)Amphiphilic block copolymers containing poly [N,N-(dimethylamino) ethyl methacrylate] block was used as a chemical sensor material in this paper. The amphiphilic block copolymer Langmuir-Blodgett (LB) thin films were ... -
Developing of dual junction GaInP/GaAs solar cell devices: effects of different metal contacts
(Springer, 2018)DJ GaInP/GaAs SC structure was designed by using analytical solar cell model. The electrical parameters (J(sc), V-oc, FF and eta) were calculated by determining optimum conditions for improving the performance of the SCs. ... -
Giant magnetoresistance in electrochemical deposited cofe/cu multilayers depending on fe concentration
(Springer, 2018)Electrochemical deposition of CoFe/Cu multilayers were performed on Ti substrate from a single bath. 0.025, 0.05 and 0.1 M Fe concentration were used in electrolytes. The deposition potentials were selected - 1.5 V for ... -
Screened Coulomb hybrid density functional investigation of oxygen point defects on ZnO nanowires
(Elsevier Science, 2018)In this study, oxygen vacancies and adatoms have been considered on the surface of both hexagonal anssd triangular ZnO nanowires. Their effect on the electronic structure and optical spectra of the nanowires have been ... -
The role of wheel surface quality on structural and hard magnetic properties of nd-fe-b permanent magnet powders
(Springer, 2018)Rapidly solidified Nd15Fe77B8 magnetic alloy powders have been produced by using melt-spinning method. Different wheel surface structures such as smooth and textured were tested to investigate the effect of wheel surface ... -
Least fine-tuned U(1) extended SSM
(Elsevier Science, 2018)We consider the Higgs boson mass in a class of the UMSSM models in which the MSSM gauge group is extended by an additional U(1)' group. Implementing the universal boundary condition at the GUT scale we target phenomenologically ... -
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)
(Wiley, 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 ... -
Optical and chemical sensor properties of Langmuir-Blodgett thin films coated with N-cyclohexylmethacrylamide monomer
(Natl Inst Optoelectronics, 2018)In this work, N-cyclohexylmethacrylamide (NCMA) Langmuir-Blodgett (LB) thin films are characterized by Surface Plasmon Resonance (SPR) and Quartz Crystal Microbalance (QCM). The fitted SPR data is utilized to be calculating ... -
Spun films of perylene diimide derivative for the detection of organic vapors with host–guest principle
(Springer, 2018)The optical characterization and chemical vapor sensing properties of 1,7-dibromo-N,N'-(bicyclohexyl)-3,4:9,10-perylene diimide thin film against to organic vapors were discussed in this study by using spin coating, UV-Vis ... -
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 ... -
Photoluminescence and magnetism study of blue light emitting the oxygen-bridged open-cubane cobalt(ıı) cluster
(Springer/Plenum Publishers, 2018)A new cubane-based cobalt(II) cluster, [Co4L4] (1), where H2L = 2-((E)-(2-hydroxyethylimino) methyl)-4-chlorophenol has been prepared using a solvothermal process and characterized by structural, optical and magnetism. The ...
