E - T phase diagrams of a solid solution of the multicomponent PbZn 1/3 Nb 2/3 O 3 -PbMg 1/3 Nb 2/3 O 3 -PbNi 1/3 Nb 2/3 O 3 -PbTiO 3 system near the morphotropic phase boundary
作者： M. V. Talanov , A. A. Pavelko , L. A. Reznichenko , Yu. N. Zakharov , A. G. Lutokhin
DOI: 10.1134/S1063783414030330
关键词: Thermodynamics 、 Atmospheric temperature range 、 Phase transition 、 Dielectric 、 Solid solution 、 Permittivity 、 Phase diagram 、 Electric field 、 Phase boundary 、 Materials science
摘要: The specific features of the dielectric and pyroelectric responses a solid solution in barium-doped multicomponent yPbZn1/3Nb2/3O3-mPbMg1/3Nb2/3O3-nPbNi1/3Nb2/3O3-xPbTiO3 system composition y = 0.0982, m 0.4541, n 0.1477, x 0.3 near morphotropic phase boundary have been investigated. It has assumed that maxima revealed dependences reversible permittivity on electric field strength with both forward backward changes (E=) are associated induced transition. Based experimental results, E-T diagrams constructed temperature range from −100 to 150°C for different temperature-field regimes: (i) variation E= at fixed sample (ii) constant value E=. found there is singular point diagram that, vicinity this point, studied ceramics exhibit features.
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