Prof. Tripurari Prasad Sinha: Recent submissions
Now showing items 21-40 of 66
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Dielectric relaxation in Sr(Mg1/3Nb2/3)O-3
(ELSEVIER SCIENCE BV, 2008-10-01)The frequency-dependent dielectric dispersion of strontium-magnesium-niobate (SMN), Sr(Mg1/3Nb2/3)O-3 ceramic synthesized by the solid state reaction technique is investigated in the temperature range from 303 to 613 K The ... -
Dielectric relaxation and ac conductivity study in SrMg 1/3Nb2/3O3
(NATL INST SCIENCE COMMUNICATION, 2008-04-01)The frequency-dependent dielectric dispersion of strontium-magnesium- niobate, SrMg1/3Nb2ZiO3 ceramic synthesized by the solid state reaction technique is investigated in the temperature range from room temperature to 613 ... -
Impedance spectroscopy, electronic structure and X-ray photoelectron spectroscopy studies of Pb(Fe1/2Nb1/2)O3
(ELSEVIER SCIENCE BV, 2009-02-01)Impedance spectroscopy is used to study the electrical behaviour of lead iron niobate, Pb(Fe1/2Nb1/2)O3 (PFN) in the frequency range from 100 Hz to 1 MHz and in the temperature range from 203 to 363 K. The frequency-dependent ... -
Relaxor behaviour of (Ba0⋅5Sr0⋅5)(Ti0⋅6Zr0⋅4)O3 ceramics
(Indian Academy of Sciences, 2008-11-01)Ba0⋅5Sr0⋅5Ti0⋅6Zr0⋅4O3 ceramic has been prepared through solid state reaction route. X-ray diffraction shows that the sample has cubic perovskite structure with space group Pm–3m at room temperature. Temperature dependent ... -
Ferroelectric phase transition of Ba1-xSrxTi0.6Zr0.4O3 ceramics
(TAYLOR & FRANCIS LTD, 2008)Perovskite type Ba(1-x)Sr(x)Ti(0.6)Zr(0.4)O(3) (with x = 0.0, 0.1, 0.2, 0.4 and 0.5) ceramics have been synthesized through solid oxide reaction route. The room temperature XRD study suggests the compositions have single ... -
Dielectric relaxation in In(Mg 0.5Ti 0.5)O 3 nanoceramic
(Elsevier B.V., 2009)The complex perovskite oxide indium magnesium titanate, In(Mg 1/2Ti 1/2)O 3 (IMT) is synthesized by a solid stale reaction technique. Impedance spectroscopy is applied to investigate the electrical properties of IMT in a ... -
Dielectric relaxation of ZnO nanostructure synthesized by soft chemical method
(ELSEVIER SCIENCE BV, 2010-03-01)Thioglycerol capped nanoparticles of ZnO have been prepared in methanol through chemical technique. Nanostructures of the prepared ZnO particles have been confirmed through X-ray diffraction measurement. The Debye-Scherrer ... -
Dielectric spectroscopy study of CdS nanoclusters synthesized by a soft chemical route
(Elsevier B.V, 2009)Dielectric spectroscopy has been applied to investigate the electrical properties of Cadmium Sulfide (CdS) nanoclusters synthesized by a chemical reaction route using thiophenol as a capping agent. The frequency-dependent ... -
Dielectric properties of CdS nanoparticles synthesized by soft chemical route
(INDIAN ACAD SCIENCES, 2009-06-01)CdS nanoparticles have been synthesized by a chemical reaction route using thiophenol as a capping agent. The frequency-dependent dielectric dispersion of cadmium sulphide (CdS) is investigated in the temperature range of ... -
Dielectric relaxation in ZnO nanostructure
(Elsevier B.V, 2009)ZnO nanoparticles have been prepared in methanol through chemical technique using thioglycerol as a capping agent. Nanostructures of the prepared ZnO particles have been characterized by scanning electron microscope (SEM). ... -
Electronic Transport and Ground State Properties of Li-Mg Binary Alloy
(PHYSICAL SOC REPUBLIC CHINA, 2009-04-01)The electronic transport properties of Li-Mg binary alloy have been studied by Harrison's first principle pseudopotential technique. The Percus-Yevik hard sphere model is used to compute the partial structure factors Sij ... -
Complex formation study of thermodynamical, structural properties and density of states of Al-Mg binary alloy
(ELSEVIER SCIENCE BV, 2009-07-01)Within the framework of complex formation model the thermodynamical, structural and surface properties of Al–Mg alloy have been studied presuming the formation of Al3Mg2 complexes. The Gibb's free energy of mixing (GM), ... -
Dielectric relaxation in complex perovskite oxide In(Ni1/2Zr1/2)O-3
(PERGAMON-ELSEVIER SCIENCE LTD, 2009-09-01)The dielectric study of indium nickel zirconate, In(Ni1/2Zr1/2)O3 (INZ) synthesized by solid state reaction technique is performed in a frequency range from 500 Hz to 1 MHz and in a temperature range from 303 to 493 K. The ... -
Structural and dielectric behaviour of barium substituted lead zinc niobate ceramics at low temperature
(NATL INST SCIENCE COMMUNICATION, 2009-03-01)The polycrystalline samples of (Pb(1-x)Ba(x))(Zn(1/3)Nb(2/3))O(3) (PBZN) ceramics have been synthesis by the columbite precursor method. X-ray diffraction analysis of PBZN synthesized For x = 0.15, 0.25, 0.35 and 0.50 shows ... -
Impedance spectroscopy of perovskite barium substituted lead zinc niobate ceramics
(ELSEVIER SCIENCE BV, 2010-03-15)The complex perovskite lead barium zinc niobate, (Pb1−xBax)(Zn1/3Nb2/3)O3 ceramic at x=0.25 was prepared by a columbite precursor method. The microstructure analysis was done by scanning electron microscope. The field ... -
Impedance spectroscopy study of BaMg1/3Nb2/3O3: Frequency and time domain analyses
(ELSEVIER SCIENCE BV, 2010-03-15)The complex perovskite oxide barium magnesium niobate, BaMg1/3Nb2/3O3 (BMN) is synthesized by a solid-state reaction technique. The X-ray diffraction of the sample shows the monoclinic structure at room temperature. Impedance ... -
Dielectric properties of BaBi4Ti4O15 ceramics produced by cost-effective chemical method
(ELSEVIER SCIENCE BV, 2009-05-01)BaBi4Ti4O15, an Aurivillius compound, was synthesized by a cost-effective soft chemical route. The precursor was prepared by precipitating Bi- and Ba-oxalates inside a TiO2 powder suspension. A phase pure orthorhombic ... -
Dielectric properties of rare earth double perovskite oxide Sr2CeSbO6
(ELSEVIER SCIENCE BV, 2010-04-01)A polycrystalline rare earth double perovskite oxide, strontium cerium antimonate, Sr2CeSbO6 (SCS), is synthesized by solid-state reaction technique. The X-ray diffraction pattern at room temperature of SCS shows orthorhombic ... -
Structural and Ferroelectric Properties of Complex Perovskites Pb(1-x)Bax(Fe1/2Ta1/2)O3 (x=0.00, 0.05, 0.1, 0.15)
(TAYLOR & FRANCIS LTD, 2009)We have synthesized the complex perovskite oxides Pb(1-x)Bax(Fe1/2Ta1/2)O3 (where x = 0.0, 0.05, 0.10 and 0.15) by two steps Coulombite precursor process in cubic phase and studied the effect of Ba substitution in ... -
Ferroelectric relaxor behaviour in Pb(Fe0.5Ta0.5)O-3
(INDIAN ASSOC CULTIVATION SCIENCE, 2009-04-01)The relaxor ferroelectric lead iron tantalate, Pb(Fe0.5Ta0.5)O-3 (PFT) is synthesized by Coulombite precursor method. The X-ray diffraction pattern of the sample at room temperature shows a cubic phase. The field dependence ...