Başlık için Fizik Bölümü listeleme
Toplam kayıt 222, listelenen: 126-145
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Keto-enol tautomerism, conformations, and structure of 1-[N-(4-chlorophenyl)]aminomethylidene2(1H)naphthalenone
(Springer/Plenum Publishers, 2001)1-[N-(4-chlorophenyl)]aminomethylidene-2(1H)naphthalenone (C17H12NOCl) (1) was synthesized and the crystal structure was determined. Compound I crystallizes in the monoclinic space group P2(1)/n with a = 4.761(3) Angstrom, ... -
Level density parameter dependence of the fission cross sections of some subactinide nuclei induced by protons with the incident energy up to 250 MeV
(Pergamon-Elsevier Science Ltd, 2009)This study aims to show the dependence on the choice of the ratio of the level density parameters a(f) and a(n) corresponding to the saddle point of fission and equilibrium deformation of nucleus, respectively, of the ... -
Low-loss as-grown germanosilicate layers for optical waveguides
(Amer Inst Physics, 2003)We report on systematic growth and characterization of low-loss germanosilicate layers for use in optical waveguide technology. The films were deposited by plasma-enhanced chemical vapor deposition technique using silane, ... -
Magnetic properties of the Martensitic transformations with twinned and detwinned
(Elsevier Science Bv, 2019)The effects of the Austenite (A), twinned Martensite (TM) and detwinned Martensite (DTM) structural transformations on the ferromagnetic properties are investegated by means of the effective field theory developed by ... -
Micro-structural analysis of self-accommodating martensites in Cu-11.92 wt%Al-3.78 wt%Ni shape memory alloy
(Elsevier Science Sa, 2008)Morphologies and configurations of the self-accommodating martensites in Cu-11.92 wt%Al-3.78wt%Ni shape memory alloy were studied by means of scanning electron microscopy (SEM) and transmission electron microscopy (TEM). ... -
Microstructural, thermal, and electrical properties of Bi1.7V0.3Sr2Ca2Ca3Ox glass-ceramic superconductor
(Wiley-V C H Verlag Gmbh, 2004)A glass-ceramic Bi1.7V0.3Sr2Ca2Cu3Ox superconductor was prepared by the melt-quenching method. The compound was characterized by scanning electron microscopy, x-ray diffraction, differential thermal analysis, current-voltage ... -
Microwave-induced synthesis of alginate-graft-poly(N-isopropylacrylamide) and drug release properties of dual pH- and temperature-responsive beads
(Elsevier Science Bv, 2012)The first decade of the 21st century saw an increasing interest in the development of devices and biomaterials for delivery of bioactive substances that can be controlled by external stimuli. This study deals with the ... -
Modification of electronic structure, magnetic structure, and topological phase of bismuthene by point defects
(Amer Physical Soc, 2017)This paper reveals how the electronic structure, magnetic structure, and topological phase of two-dimensional (2D), single-layer structures of bismuth are modified by point defects. We first showed that a free-standing, ... -
Molecular dynamics simulation of melting behaviour of small gold clusters: Au-N (N=12-14)
(Iop Publishing Ltd, 2007)We have investigated the melting behaviour of AuN (N = 12 - 14) clusters by means of molecular dynamics simulation on the basis of the Voter - Chen version of the embedded-atom method. The melting behaviour of the clusters ... -
Molecular-dynamics simulation of the structural stability, energetics, and melting of Cu-n(n=13-135) clusters
(Springer, 1997)Cluster properties of copper have been investigated using the Molecular-Dynamics MD technique. The structural stability and energetics of spherical Cu, (n = 13 - 135) clusters have been investigated at temperatures T = 1 ... -
Monolayer diboron dinitride: Direct band-gap semiconductor with high absorption in the visible range
(AMER PHYSICAL SOC, 2020)We predict a two-dimensional monolayer polymorph of boron nitride in an orthorhombic structure (o-B2N2) using first-principles calculations. Structural optimization, phonon dispersion, and molecular dynamics calculations ... -
Monte Carlo studies in accelerator-driven systems for transmutation of high-level nuclear waste
(Pergamon-Elsevier Science Ltd, 2008)A spallation neutron source was modeled using a high energy proton accelerator for transmutation of Pu-239, minor actinides Np-237, Am-241 and long-lived fission products Tc-99, I-129, which are created from the operation ... -
Morphological changes in diseased cementum layers: A scanning electron microscopy study
(Springer, 2004)The aim or this study was to compare the morphological changes that occurred in root cementum layers due to periodontal disease by using scanning electron microscopy (SEM). Ninety-two periodontally hopeless teeth extracted ... -
A morphological study on the venom apparatus of spider Larinioides cornutus (Araneae, Araneidae)
(2005)Bu çalışmada, Larinioides cornutus'un zehir aygıtının morfolojik yapısı taramalı electron mikroskobu (SEM) kullanılarak çalışılmıştır. Zehir bezleri, prosomada başın ön kısmında yerleşmiştir ve her bir bez, silindrik kısım ... -
Mossbauer studies on athermal martensite formation in an Fe-Ni-Mn alloy
(Indian Academy Sciences, 2002)In this study, austenite-martensite phase transformations which are formed by cooling effect in Fe-30% Ni-0.2% Mn alloy are investigated with Mossbauer spectroscopy and scanning electron microscopy. The single peak of the ... -
[N,N '-bis(5-bromosalicylidene)-1,3-diaminopropane]copper(II)
(Munksgaard Int Publ Ltd, 1999)The title compound, [Cu(C17H14Br2N2O2)], has a crystallographic twofold axis. The coordination geometry about the Cu-II centre is a tetrahedrally distorted square plane formed by the four-coordinate N2O2 donor set of the ... -
N,N,N ',N '-tetramethylethylenediammonium dichloride
(Munksgaard Int Publ Ltd, 2000)The structure of the title compound, C6H18N22+. 2Cl(-), has been determined and has a centre of symmetry, The molecule has strong intermolecular hydrogen bonding between each Cl- and an N-H bond [Cl ... N = 3.012 (3) Angstrom]. -
N-(p-chlorophenyl)-3,3-diphenyl-4-(β-phenylstyryl)azetidin-2-one
(Munksgaard Int Publ Ltd, 2000)In the title compound, C35H26ClNO, the four-membered beta-lactam ring is essentially planar, with a maximum deviation of 0.012 (1) Angstrom for the N atom. The C-C bond lengths in the beta-lactam ring are 1.591 (2) and ... -
Negative parity states and some electromagnetic transition properties of even-odd erbium isotopes
(American Physical Soc, 2007)The negative parity states and some electromagnetic transition properties of even-odd erbium isotopes (Er-159,Er-161,Er-163,Er-165) were studied within the framework of the interacting boson-fermion model. The single fermion ... -
Neutron Emission Spectra of <SUP>104,105,106,108,110</SUP>Pd Isotopes for (p,xn) Reactions at 21.6 MeV Proton Incident Energy
(Springer, 2010)Palladium, which is a rare and lustrous silvery-white color from precious metals, plays important role in fusion-fission reactions and different fields of nuclear technology. In addition, it is used for not only cold fusion ...