Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 666, listelenen: 241-260
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Comparison of the transport properties of high quality AlGaN/AlN/GaN and AlInN/AlN/GaN two-dimensional electron gas heterostructures
(Amer Inst Physics, 2009)The transport properties of high mobility AlGaN/AlN/GaN and high sheet electron density AlInN/AlN/GaN two-dimensional electron gas (2DEG) heterostructures were studied. The samples were grown by metal-organic chemical vapor ... -
A numerical study for the relationship between natural manganese dendrites and DLA patterns
(Walter De Gruyter GMBH, 2016)The formation mechanisms and the origin of manganese dendrites on the magnesite ore have been under discussion. The growth process of the manganese dendrites is statistically studied by comparing them to aggregations ... -
Superparamagnetic iron oxide nanoparticles: Effect of iron oleate precursors obtained with a simple way
(Springer, 2013)The objective of the study was to investigate the effect of different amounts of iron oleate precursor with different oleic acid amounts on the properties of the synthesised nanoparticles by thermal decomposition. The iron ... -
Electrical conductivity properties of boron containing Langmuir-Blodgett thin films
(Springer New York LLC, 2013)Electrical characterisations of Mesitylene-2-boronic acid (MBA), Phenylboronic acid (PBA) and 1-Naphthylboronic acid (NBA) are investigated using C-f and I-V measurements. All materials are used to fabricate Langmuir-Blodgett ... -
Scanning of nickel sulfamate concentration in electrodeposition bath used for production of Ni-Co alloys
(Springer, 2013)The Ni-Co films were produced by using the electrodeposition technique from the electrolytes with different Ni(SO3 center dot NH2)(2)center dot 4H(2)O concentrations (from 0 to 0.45 M). The Ni content of the films changed ... -
Gas sensing properties of porphyrin thin films influenced by their surface morphologies
(American Scientific Publishers, 2014)Two different thin film fabrication techniques, namely Langmuir-Blodgett (LB) and Spin Coating (SC), have been used to fabricate homogeneous nanoscale thin films of metal free 2, 3, 7, 8, 12, 13, 17, 18-Octaethyl-21H, ... -
Determining different plant leaves' fractal dimensions: A new approach to taxonomical study of plants
(Bangladesh Botanical Society, 2014)Fractal dimensions of leaves from Cercis canadensis L., Robinia pseudoacacia L., Amelanchier arborea (F.Michx.) Fernald, Prunus persica (L.) Batsch, Quercus alba L., Carpinus caroliniana Walter, Ficus carica L., Morus rubra ... -
Electronic and optical properties of Cr and Cr-N doped anatase TiO 2 from screened Coulomb hybrid calculations
(IOP Publishing Ltd, 2013)We studied the electronic and atomic structures of anatase TiO2 codoped with Cr and N using hybrid density functional theory calculations. The nonlocal screened Hartree-Fock exchange energy is partially mixed with the ... -
Synthesis, spectroscopic characterization, and antimicrobial activities of Ni(II) and Fe(II) complexes with N -(2-hydroxyethyl)-5-nitrosalicylaldimine
(Taylor & Francis Ltd, 2013)Metal complexes [Ni(HL1)(2)H2O] (1) and [Fe(HL1)(2)] (2), where HL1 is the tridentate Schiff base N-(2-hydroxyethyl)-5-nitrosalicylaldimine, were synthesized and characterized by spectroscopic methods. The crystal structures ... -
A van der Waals density functional investigation of carboranethiol self-assembled monolayers on Au(111)
(Royal Society of Chemistry, 2016)Isolated and full monolayer adsorption of various carboranethiol (C2B10H12S) isomers on the gold(111) surface has been investigated using both the standard and van der Waals density functional theory calculations. The ... -
Structural and Magnetic Properties of Two Novel Fe(III) Schiff Base Complex.
(Int Union Crystallography, 2009)Two novel monomeric [C18H17Cl3 N2 O2 Fe] (1) and dimeric [C38H36N4 O4 Cl6 Fe2 ] (2) Fe(III) tetradentate schiff base complexes have been synthesized and their crystal structures have been determined by single ... -
Cyanide-Bridged Mn(III)-Fe(III) Bimetallic Complex. Structure and Magnetic Characterization.
(Int Union Crystallography, 2009)A cyano-bridged Mn(III)–Fe(III) complex, [Mn(L) (MeOH)]2 Fe(CN)6 ](NEt4 ) (1) (L = N,N′-bis(3,5- chlorosalicylidene)-1,2-diaminopropane) have been prepared and structurally and magnetically characterized. -
Use of [Fe(dithiooxalate)(2)NO](2-) as a Molecular Tecton in Crystal Engineering.
(Int Union Crystallography, 2009)A series of crystalline salts based on the [Fe(dto)2 NO]2- (dto = 1,2-dithiooxalate) dianion with hydrogen bond donor cations have been synthesised following a molecular tectonics approach. -
Manganese(III)-Schiff-Base-Hexacyanoferrate Polymeric Compound. Synthesis, Structure, and Magnetic Properties.
(Int Union Crystallography, 2009)A cyano-bridged Mn(III)–Fe(III) complex, [Mn(L) (H2 O)]2 Fe(CN)6 ](NEt4 ) (1) (L = N,N′-bis(5- chlorosalicylidene)-1,2-diaminopropane) have been prepared and structurally and magnetically characterized. -
Novel Co(II) and Ni(II)-Nitrito Complexes with NNN Type Ligand.
(Int Union Crystallography, 2009)Two novel monomeric [Co(bdmpp)(ONO)2 ] (1), [Ni(bdmpp) (ONO)2 ] (2), (bdmpp=2,6-bis(3,5- dimethylpyrazol)pyridine) complexes have been synthesized and characterized by single crystal X-ray diffraction analysis, ... -
Characterization and organic vapor sensing properties of Langmuir-Blodgett film using a new three oxygen-linked phthalocyanine incorporating lutetium
(Elsevier Science Sa, 2009)In the present article we report about the Langmuir-Blodgett thin film characterization and organic vapor sensing properties of LB film properties of three oxygen-linked phthalocyanines incorporating lutetium (Pc2Lu). ... -
First principles investigations on the mechanical and vibrational properties for the selected B2-AgRE (RE=Sc, Y, La, Ce) intermetallics
(Elsevier Science Bv, 2015)We calculated the lattice constants, bulk modulus and its pressure derivative, elastic constants of B2- based AgRE (RE=Sc, Y, La, Ce) compounds using first principles calculations based on density Functional theory (OFT). ... -
Hydrothermal synthesis, crystal structure and Photoluminescent properties; 3D Holmium(III) coordination polymer
(Elsevier Science Sa, 2016)A new coordination polymer, {[Ho(2-stp)(2)(H2O)(2)]center dot 2(4,4'-bipy)(1/2)center dot 5(H2O)}(n), 1, (2-stp = 2-sulfoterephthalate anion and 4,4'-bipy = 4,4'-bipyridine) has been synthesized by hydrothermal method and ... -
Radiation sensitivity and epr dosimetric potential of gallic acid and its esters
(Pergamon-Elsevier Science Ltd, 2015)In the preset work the radiation sensitivities of Gallic Acid anhydrous and monohydrate, Octyl, Lauryl, and Ethyl Gallate (GA, GAm, OG, LG, and EG) were investigated in the intermediate (0.5-20 kGy) and low radiation ( < ... -
Monte Carlo calculations of electrons in aluminum
(Pergamon-Elsevier Science Ltd, 2009)The interaction of keV electrons with solids was studied by considering electrons transmitted through thin films as well as electrons backscattering from semi-infinite solid targets. The elastic scattering cross-section ...
