Browsing Fizik Bölümü by Publisher "Elsevier Science Bv"
Now showing items 1-20 of 20
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Ab initio search for global minimum structures of neutral and anionic hydrogenated Li-5 clusters
(Elsevier Science Bv, 2013)The structure and some electronic properties of neutral and anionic Li5Hn (n = 0-6) clusters have been studied by using the stochastic search method with the B3LYP/6-31G level of theory. After searching possible isomers, ... -
Conformational study and structure of bis-N,N′-p-bromo-salicylideneamine-1,2-diaminobenzene
(Elsevier Science Bv, 2000)Bis-N,N'-p-bromo-salicylideneamine-1,2-diaminobenzene (C20H14Br2N2 O-2) has been investigated by X-ray analysis and AM1 semi-empirical quantum mechanical method. Thc crystal is in the orthorhombic space group Pbca with a ... -
Crystal structure and conformational analysis of 1-[N-(2-bromophenyl)]naphthaldimine
(Elsevier Science Bv, 2003)1-[N-(2-bromophenyl)]naphthaldimine (C17H12NOBr) (1) was synthesised and its crystal structure was determined. The compound 1 is orthorhombic, space group P2(1)2(1)2(1) with a = 12.653(2), b = 13.7311(14), c = 7.9799(12) ... -
Crystal structure and physico-chemical properties of diaquabis(1,10-phenanthroline)manganese(II) disaccharinate monohydrate
(Elsevier Science Bv, 2001)A novel manganese complex, [Mn(phen)(2)(H2O)(2)](sac)(2).H2O, was synthesized by the reaction of [Mn(sac)(2)(H2O)(4)]. 2H(2)O with 1,10-phenantroline in aqueous solution and characterized by elemental analysis, IR spectral ... -
Crystal structure, spectroscopic studies and conformational analyses of 5-chloro-6-nitro-2-cyclohexylmethylbenzoxazole
(Elsevier Science Bv, 2002)5-Chloro-6-nitro-2-cyclohexylmethylbenzoxazole (1) (C14H15O3N2Cl) has been studied by using an elemental analysis, IR, 5-Chloro-6-nitro-2-cyclohexylmethylbenzoxazole (1) ( H-1 NMR, X-ray analysis and AMI semi-empirical ... -
Effect of cooling conditions on the magnetic properties of bainite transformation in an Fe-2%Mn-0.5%Cr alloy
(Elsevier Science Bv, 2008)The effect of cooling conditions on the magnetic properties of bainitic reaction in Fe-2%Mn-0.5%Cr alloy have been investigated using Mossbauer spectroscopy. Results showed that the bainite phase is magnetically ordered ... -
The effect of electric and magnetic fields on the operation of a photovoltaic cell
(Elsevier Science Bv, 2002)In this work, we have investigated the effects of electric and magnetic fields on the operation of a CdS/CuInSe2 photovoltaic cell. Various electric field intensities changing from 0 to 35000 V-dc/m, were applied to the ... -
The electronic transport properties of the [Co2(L)L′(dioxane)2(NO3)2](NO3)2 complex
(Elsevier Science Bv, 2003)The temperature dependence of the electrical conductivity, microstructure and crystal structure properties of the [Co,(L)L'(dioxane)(2)(NO3)(2)](NO3)(2) complex was investigated. The X-ray diffraction showed that the ... -
The energy distribution of the interface state density of Pb/p-Si Schottky contacts exposed to clean room air
(Elsevier Science Bv, 2003)Pb/p-Si Schottky barrier diodes (SBDs) with and without thin native oxide layer have been fabricated. The previously polished p-Si wafer has been cleaned by using a traditional RCA clean with the final dip in diluted HF ... -
Fundamental and high-order harmonic susceptibilities of a BSCCO(2223) bulk superconductor
(Elsevier Science Bv, 2003)Measurements of fundamental and high-order harmonic susceptibilities, chi(n), = chi(n)' + ichi(n)" (n = 1, 2, 3, 5 and 7), were made on a cylindrical BSCCO(2223) bulk sample in the range 15-120 K at fields ranging from 8 ... -
Infrared luminescence of annealed germanosilicate layers
(Elsevier Science Bv, 2014)In the light of growing importance of semiconductor nanocrystals for photonics, we report on the growth and characterization of annealed germanosilicate layers used for Ge nanocrystal formation. The films are grown using ... -
Interpreting the nonideal reverse bias C-V characteristics and importance of the dependence of Schottky barrier height on applied voltage
(Elsevier Science Bv, 1995)This work presents an attempt related to the charging behaviour of interface states to the nonideal forward bias current-voltage (I-V) and the reverse bias capacitance-voltage (C-V) characteristics of A1-nSi Schottky barrier ... -
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 ... -
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 ... -
Nuclear structure properties and stellar weak rates for Se-76: Unblocking of the Gamow Teller strength
(Elsevier Science Bv, 2017)At finite temperatures (>= 10(7)K), Se-76 is abundant in the core of massive stars and electron capture on Se-76 has a consequential role to play in the dynamics of core-collapse. The present work may be classified into ... -
Structure and conformation of 2,3,4-triphenyl-1-oxa-4-azabutadiene
(Elsevier Science Bv, 2000)2,3,4-triphenyl-1-oxa-4-azabutadine (C20H15NO) has been studied by X-ray analysis and AMI molecular orbital methods. It crystallises in the triclinic space group P-l with a = 9.414(3), b = 10.479(3), c = 8.385(2) Angstrom, ... -
Tautomeric properties, conformations and structure of N-(2-hydroxy-5-chlorophenyl) salicylaldimine
(Elsevier Science Bv, 1999)The crystal structure of N-(2-hydroxy-5-chlorophenyl) salicylaldimine (C13H10NO2Cl) was determined by X-ray analysis. It crystallizes orthorhombic space group P2(1)2(1)2(1) with a = 12.967(2) Angstrom, b = 14.438(3) Angstrom, ... -
Vickers microhardness studies of Fe-Mn binary alloys
(Elsevier Science Bv, 2004)The room temperature microhardness of Fe-Mn binary alloys with different compositions was measured using a Vickers microhardness tester in the applied load ranging from 0.245 to 4.9 N. A significant indentation size effect ... -
X-ray diffraction study and electrical properties of the metal complex Fe(II) including sodium oxalate ligand (Na2C2O4)
(Elsevier Science Bv, 2002)The crystal structure, microstructure and electrical properties of the Fe(II) complex including sodium oxalate ligand (Na2C2O4) have been investigated. X-ray diffraction data shows that the sample is triclinic with the ... -
XRD, SEM studies and electrical properties of metal complexes, including sodium oxalate ligand (Na2C2O4)
(Elsevier Science Bv, 2002)The crystal structure, microstructure, and electrical properties of inorganic semiconductors were based on metal complexes, including sodium oxalate ligand. The crystal structure of samples at room temperature was examined ...