Prof. Tripurari Prasad Sinha
Browse by
Recent Submissions
-
Dielectric relaxation in SrFe 1/2Nb 1/2O 3
(American Institute of Physics, 2006)The strontium iron niobate Sr Fe12 Nb12 O3 ceramic is synthesized by a solid-state reaction technique. The x-ray diffraction of the sample at room temperature shows a monoclinic phase. The dielectric permittivity and the ... -
Phase transition in Ph[(Mg3/4Cu1/4) 1/3Nb2/3]O3 ceramic
(NATL INST SCIENCE COMMUNICATION, 2005-12-01)Single phase perovskite-type cubic ceramics of Pb[(M3/4Cu1/4)(1/3)Nb-2/3]O-3 (PMCN) were synthesized by high temperature double step solid state reaction technique. Dielectric studies show relaxor behaviour with diffuse ... -
Study of impedance spectroscopy conducting polymer prepared with the use of water soluble support polymer
(NATL INST SCIENCE COMMUNICATION, 2005-10-01)The intrinsically conducting polymer (ICP), polyaniline (PANI) is synthesized by chemical oxidative polymerization process with the help of water soluble support polymer poly-vinyl alcohol (PVA). The field dependence of ... -
Electrical behaviour of 0.80Pb[(Mg,Zn)1/3Ta2/3]O 3-0.20PbTiO3 relaxor
(ELSEVIER SCIENCE BV, 2005-07-15)Polycrystalline 0.80Pb[(Mg2/3Zn1/3)(1/3)Ta-2/3]O-3-0.20PbTiO(3) (PMZT-PT) having a tetragonal perovskite type structure was prepared by the high temperature solid-state reaction method. Dielectric studies showed the relaxor ... -
Ac conductivity of conducting polymer prepared with the use of water soluble support polymer
(IACS, 2005-09)The intrinsically conducting polymer, polyaniline (PANI) is synthesized by chemical oxidative polymerization process with the help of water soluble support polymer poly-vinyl alcohol (PVA). The field dependence of the ... -
Phase formation and dielectric phase transition in Ba1-xCaxTi0.6Zr0.4O3 solid solutions
(PERGAMON-ELSEVIER SCIENCE LTD, 2006-11-01)Perovskite types Ba1-xCaxTi0.6Zr0.4O3 (with x = 0.0-0.5) ceramics have been prepared through solid state reaction route. The room temperature XRD study suggests the compositions with x = 0.0 and x = 0.1 have single phase ... -
Dielectric study of Ba(Zn 1/3Nb 2/3)O 3 at low temperature
(ELSEVIER, 2006-05-01)The dielectric study of Ba(Zn 1/3Nb 2/3)O 3 has been studied at low temperature in a frequency range 100 Hz-1 MHz and a temperature range from 145K to room temperature. An analysis of real and imaginary part of dielectric ... -
Dielectric relaxation in perovskite BaAl1 / 2 Nb1 / 2 O3
(PERGAMON-ELSEVIER SCIENCE LTD, 2006-07-01)The complex perovskite oxide barium aluminium niobate, BaAl1/2Nb1/2O3 (BAN) is synthesized by a solid-state reaction technique for the first time. The X-ray diffraction of the sample at room temperature shows a monoclinic ... -
AC conductivity and dielectric relaxation in CaMg1 / 3 Nb2 / 3 O3
(PERGAMON-ELSEVIER SCIENCE LTD, 2008-05-06)The complex perovskite oxide calcium magnesium niobate, CaMg1/3Nb2/3O3 (CMN) is synthesized by a solid-state reaction technique. Dielectric spectroscopy is applied to investigate the electrical properties of CMN in a ... -
Dielectric relaxation and electronic structure of Ca (Fe1 2 Sb1 2) O3
(AMER PHYSICAL SOC, 2007-10-23)The frequency-dependent dielectric relaxation of calcium-iron-antimonate [Ca (Fe1 2 Sb1 2) O3] (CFS) ceramic, synthesized by a solid-state reaction technique is investigated in the temperature range from 143 to 463 K by ... -
Structural and low frequency dielectric studies of conducting polymer nanocomposites
(NATL INST SCIENCE COMMUNICATIO, 2007-08-01)The intrinsically conducting polymer (ICP), polyaniline (PANI) has been synthesized by chemical polymerization process with the help of water soluble support polymer poly (vinyl pyrrolidone) (PVP). The X-ray diffraction ... -
Dielectric relaxation in perovskite Ba(Zn1/2W1/2)O3
(ELSEVIER SCIENCE SA, 2007-09-25)The complex perovskite oxide barium-zinc-tungstate, Ba(Zn1/2W1/2)O3 (BZW) is synthesized by a solid-state reaction technique. The X-ray diffraction study of the sample at room temperature shows a monoclinic phase. The field ... -
Dielectric relaxation in complex perovskite BaFe1/2Sb1/2O3
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2007-07-10)The complex perovskite oxide barium iron antimonate, BaFe 1/2Sb1/2O3 (BFS) is synthesized by a solid-state reaction technique for the first time. The X-ray diffraction of the sample at room temperature shows a monoclinic ... -
Dielectric relaxation in complex perovskite oxide BaCo1/2W1/2O3
(ELSEVIER SCIENCE BV, 2008-01-01)Polycrystalline BaCo1/2W1/2O3 (BCW) is prepared by the solid-state reaction technique. The X-ray diffraction study of the compound at room temperature reveals the monoclinic phase. The field dependence of the dielectric ... -
Dielectric and phase transition of BaTi 0.6Zr 0.4O 3 ceramics prepared by a soft chemical route
(SPRINGER, 2008-04-01)BaTi0.6Zr0.4O3 (BTZ) ceramic was synthesized by a soft chemical route. X-ray diffraction at room temperature shows that the sample has cubic perovskite structure with space group Pm-3m. Temperature dependent dielectric ... -
Electrical properties of 0.90Pb[(Mg,Zn) 1/3Ta 2/3] O 3-0.10PbTiO 3 relaxor
(OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, 2008)Polycrystalline 0.90Pb[(Mg2/3Zn1/3)(1/3)Ta-2/3]O-3-0.10PbTiO(3) having a tetragonal perovskite type structure was prepared by the high temperature solid-state reaction method. Dielectric studies showed the relaxor behaviour ... -
Electrical properties of relaxor ferroelectric PMCT-PT-ZnO ceramic
(NATL INST SCIENCE COMMUNICATION, 2008-04-01)Polycrystalline samples of 0.85Pb[(Mg2/3Cd1/3)(1/3)Ta-2/3]O-3-0.15PbTiO(3) with 7.5% of ZnO having a tetragonal perovskite type structure have been prepared using high temperature solid-state reaction method. Dielectric ... -
Electronic transport, density of states and ground state properties of Li- In binary alloy
(ELSEVIER SCIENCE BV, 2008-10-01)The electronic transport properties of Li-In 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/(k) ... -
Dielectric relaxation and electronic structure of BaAl 1/2Nb 1/2O 3: X-ray photoemission and nuclear magnetic resonance studies
(IOP PUBLISHING LTD, 2008-11-05)The frequency-dependent dielectric relaxation in barium-aluminium-niobate, BaAl1/2Nb1/2O3 ( BAN), at low temperatures (103-443 K) is investigated by alternating-current impedance spectroscopy in the framework of conductivity ... -
Dielectric relaxation and electronic structure of double perovskite Sr 2 FeSbO6
(AMER INST PHYSICS, 2008-09-15)The dielectric property and the electronic structure of a double perovskite, Sr2FeSbO6 (SFS) synthesized by solid state reaction technique are investigated. The x-ray diffraction of the sample taken at room temperature ...
RSS 1.0