Dielectric properties of high-pressure synthesized relaxor PbMg(1/3)Nb(2/3)O(3) ceramics
authors Olekhnovich, NM; Vyshatko, NP; Radyush, YV; Salak, AN; Ferreira, VM
nationality International
journal JOURNAL OF PHYSICS-CONDENSED MATTER
keywords LEAD MAGNESIUM NIOBATE; FERROELECTRICS; BEHAVIOR; PB(MG1/3NB2/3)O3; PERMITTIVITY; ORDER
abstract Single-phase perovskite PbMg(1/3)Nb(2/3)O(3) (PMN) ceramics were synthesized from stoichiometric oxide mixtures under conditions of high pressures and temperatures. Results of dielectric studies of this material show that the high-pressure PMN ceramics consist of two phases. One of them exhibits the properties of a dipole-ordering phase with a diffuse transition and another is a relaxor-ferroelectric phase. When annealing, the high-pressure synthesized PMN ceramics acquire the features of classical relaxor PMNs. The effect of high-pressure processing on cation ordering/displacements and thereby on dielectric properties is discussed.
publisher IOP PUBLISHING LTD
issn 0953-8984
year published 2003
volume 15
issue 40
beginning page 6879
ending page 6887
digital object identifier (doi) 10.1088/0953-8984/15/40/023
web of science category Physics, Condensed Matter
subject category Physics
unique article identifier WOS:000186511700026
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journal impact factor 2.617
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