Başlık için Fizik Bölümü listeleme
Toplam kayıt 1178, listelenen: 1085-1104
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Temperature and magnetic field effect on oscillations observed in GaInNAs/GaAs multiple quantum wells structures
(Elsevier Science BV, 2012)The photoconductivity of p-i-n GaInNAs/GaAs multiple quantum well (MQW) mesa structures is investigated. When illuminated with photons at energy greater than the GaAs bandgap, a number of oscillations are observed in the ... -
Temperature dependence of the optical band gap and electrical conductivity of sol-gel derived undoped and Li-doped ZnO films
(Elsevier Science BV, 2010)Undoped and lithium (Li)-doped ZnO films were prepared by sol-gel method using spin coating technique. The effects of Li content on the crystallinity and morphological properties of ZnO films were assessed by X-ray diffraction ... -
Temperature dependence of the optical band gap of sol-gel derived Fe-doped ZnO films
(Elsevier GMBH, 2016)This work presents the characterizations of sol-gel derived undoped nanostructured ZnO and Iron (Fe) doped ZnO films that were deposited onto borofloat glass substrates. To investigate of the effects of Fe doping on the ... -
Temperature dependent energy relaxation time in AlGaN/AlN/GaN heterostructures
(Academic Press LTD- Elsevier Science LTD, 2012)The two-dimensional (2D) electron energy relaxation in Al0.25Ga0.75N/AlN/GaN heterostructures was investigated experimentally by using two experimental techniques; Shubnikov-de Haas (SdH) effect and classical Hall Effect. ... -
The Tetra[N-phenylanthranilato](O,O')bis[(2-amino-4-methyl)pyridine Copper(II)] Complex Crystal
(Taylor & Francis Inc, 2013)Tetra[N-phenylanthranilato](O,O)bis[2-amino-4-methyl) pyridine copper(II)] (bisdichloromethane solvate and unsolvate) in one crystalline contains two independent binuclears, one of which is unsolvate and the other one is ... -
Tetraaquabis(isonicotinamide-kappa N-1)cobalt(II) bis(4-formylbenzoate) dihydrate
(Int Union Crystallography, 2009)The asymmetric unit of the crystal structure of the title complex, [Co(C6H6N2O)(2)(H2O)(4)](C8H5O3)(2)center dot 2H(2)O, contains one-half of the complex cation with the Co-II ion located on an inversion center, a ... -
Tetraaquabis(isonicotinamide-kappa N-1)nickel(II) bis(4-formylbenzoate) dihydrate
(Int Union Crystallography, 2009)The asymmetric unit of the title complex, [Ni(C6H6N2O)(2)(H2O)(4)](C8H5O3)(2)center dot 2H(2)O, contains one-half of the complex cation with the Ni-II atom located on an inversion center, a 4-formylbenzoate (FB) counter-anion ... -
Tetraaquabis(nicotinamide-kappa N-1)nickel(II) bis(2-fluorobenzoate)
(Int Union Crystallography, 2009)The asymmetric unit of the title complex, [Ni(C6H6N2O)(2)(H2O)(4)](C7H4FO2)(2), contains one-half of the complex cation with the Ni-II atom located on an inversion center, and a 2-fluorobenzoate (FB) counter-anion. The ... -
Tetraaquabis[4-(methylamino)benzoato-kappa O]nickel(II)
(Wiley-Blackwell, 2010)The title complex, [Ni(C(8)H(8)NO(2))(2)(H(2)O)(4)], is centrosymmetric with the Ni(II) ion located on a centre of symmetry. It contains two 4-(methylamino) benzoate (PMAB) anions and four coordinated water molecules. The ... -
Tetrakis(mu-4-methylbenzoato-kappa O-2:O ')bis[(isonicotinamide-kappa N)copper(II)]
(Int Union Crystallography, 2010)In the title centrosymmetric binuclear complex, [Cu-2(C8H7O2)(4)(C6H6N2O)(2)], the Cu atoms [Cu center dot center dot center dot Cu = 2.6375 (6) angstrom] are bridged by four 4-methylbenzoate (PMB) ligands. The four nearest ... -
Tetrakis(mu-4-methylbenzoato-kappa O-2:O ')bis[(N,N-diethylnicotinamide-kappa N-1)zinc(II)\]
(Wiley-Blackwell, 2010)In the centrosymmetric binuclear title complex, [Zn-2(C8H7O2)(4)(C10H14N2O)(2)], the Zn atoms [Zn center dot center dot center dot Zn' = 2.9494 (3) angstrom] are bridged by four 4-methylbenzoate (PMB) anions. The four ... -
Tetrakis[mu-4-(diethylamino)benzoato-kappa O-2:O ']bis[(N,N-diethylnicotinamide-kappa N-1)zinc(II)]
(Int Union Crystallography, 2009)In the centrosymmetric binuclear title complex, [Zn-2(C11H14NO2)(4)(C10H14N2O)(2)], the two Zn-II ions [Zn center dot center dot center dot Zn = 2.8874 (3) angstrom] are bridged by four 4-(diethylamino)benzoate (DEAB) ... -
Tetrakis[mu-4-(dimethylamino)benzoato-kappa O-2:O ']bis[(N,N-diethylnicotinamide-kappa N-1)zinc(II)]
(Int Union Crystallography, 2009)The title molecule, [Zn-2(C9H10NO2)(4)(C10H14N2O)(2)], is a centrosymmetric binuclear complex, with Zn atoms [Zn center dot center dot center dot Zn ' = 2.8927 (4) angstrom] bridged by four carboxylate groups from the ... -
Tetrakis[mu-4-(methylamino)benzoato-kappa O-2:O ']bis[(N,N-diethylnicotinamide-N-1)zinc(II)] dihydrate
(Int Union Crystallography, 2009)The title molecule, [Zn-2(C8H8NO2)(4)(C10H14N2O)(2)]center dot 2H(2)O, is a centrosymmetric binuclear complex, with two Zn-II ions [Zn center dot center dot center dot Zn' = 2.9301 (4) angstrom] bridged by four methylaminobenzoate ... -
Theoretical and experimental vibrational spectroscopic study of 3-piperidino-propylamine
(Elsevier Science BV, 2009)FT-IR and Raman spectra and the vibrational spectral assignments of 3-piperidino-propylamine (3-pipa) have been reported in the region of 4000-400 cm(-1) for the first time. The molecular geometry (bond lengths, bond angles ... -
Theoretical and infrared investigation of 2-acetylpyridine isolated in solid nitrogen and in neat condensed phases
(Elsevier Science BV, 2016)The geometries of the two conformers of 2-acetylpyridine (2AP) were optimized at the DFT/B3LYP/6-311++G(d,p) level of approximation, and their relative energy and interconversion barrier evaluated. Both conformers were ... -
Theoretical investigation of the derivatives of favipiravir (T-705) as potential drugs for Ebola virus
(Walter De Gruyter GMBH, 2019)Density functional theory (DFT) method was used to compute the structural and vibrational parameters of favipiravir (T-705) in the gas phase. The functional used was B3LYP in conjuction with the 6-311++G(d,p) basis set. ... -
Theoretical Molecular Structure, Vibrational Frequencies and Nmr Investigations of 2-[(1E)-2-Aza-2-(5-Methyl(2-Pyridyl)Ethenyl)]-4-Bromobenzen-1-Ol
(Chem Soc Ethiopia, 2012)The normal mode frequencies and corresponding vibrational assignments, H-1 and C-13 NMR chemical shifts and structural parameters (bond lengths, bond and dihedral angles) of 2-[(1E)-2-aza-2-(5-methyl(2-pyridyl)ethenyl)]- ... -
A theoretical search on metal-ligand interaction mechanism in corrosion of some imidazolidine derivatives
(Elsevier Science BV, 2003)The interaction mechanism of some imidazolidine derivatives with metallic Zn in gas phase, using semiempirical methods, was studied at elevated temperature and the obtained data were used to search a possible correlation ... -
Theoretical studies on the structure of [(1-aza-2-benzimidazol-2-ylprop-1-enyl)amino]aminomethane-1-thione
(Arkat Usa Inc, 2007)The tautomerisation and acid-base properties of [(1-aza-2-benzimidazol-2-ylprop-1-enyl) amino]aminomethane-1-thione were studied both in the gas and aqueous phase to elucidate the structure of this compound. The computed ...
