Coexistence of morphotropic phases in (1-x)Pb(Mg1/3Nb 2/3)O3-xPbTiO3 solid solutions

V. Yu Topolov; Z. G. Ye

doi:10.1103/PhysRevB.70.094113

Coexistence of morphotropic phases in (1-x)Pb(Mg_1/3Nb _2/3)O₃-xPbTiO₃ solid solutions

V. Yu Topolov
, Z. G. Ye

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We report the results of crystallographic analysis of various complex heterophase states that occur around the morphotropic phase boundary in the relaxor-based (1-x)Pb(Mg_1/3Nb_2/3)O₃-xPbTiO ₃ solid solutions at room temperature. Different variants of the coexistence of two or three morphotropic phases are analyzed based on the structural data of Noheda et al. [Phys. Rev. B 66, 054104 (2002)] and Singh and Pandey [Phys. Rev. B 67, 064102 (2003)], and interpreted by taking into account the features of elastic matching of polydomain (twinned) regions. A model of interpenetrating phases is proposed to describe the two-phase states on the condition of a complete relieving of the mechanical stress at interfaces. A good agreement between the experimental and theoretical results on the variants of phase coexistence has been achieved.

Original language	English
Article number	094113
Pages (from-to)	094113-1-094113-8
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	70
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.70.094113
State	Published - Sep 2004
Externally published	Yes

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title = "Coexistence of morphotropic phases in (1-x)Pb(Mg1/3Nb 2/3)O3-xPbTiO3 solid solutions",

abstract = "We report the results of crystallographic analysis of various complex heterophase states that occur around the morphotropic phase boundary in the relaxor-based (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO 3 solid solutions at room temperature. Different variants of the coexistence of two or three morphotropic phases are analyzed based on the structural data of Noheda et al. [Phys. Rev. B 66, 054104 (2002)] and Singh and Pandey [Phys. Rev. B 67, 064102 (2003)], and interpreted by taking into account the features of elastic matching of polydomain (twinned) regions. A model of interpenetrating phases is proposed to describe the two-phase states on the condition of a complete relieving of the mechanical stress at interfaces. A good agreement between the experimental and theoretical results on the variants of phase coexistence has been achieved.",

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N2 - We report the results of crystallographic analysis of various complex heterophase states that occur around the morphotropic phase boundary in the relaxor-based (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO 3 solid solutions at room temperature. Different variants of the coexistence of two or three morphotropic phases are analyzed based on the structural data of Noheda et al. [Phys. Rev. B 66, 054104 (2002)] and Singh and Pandey [Phys. Rev. B 67, 064102 (2003)], and interpreted by taking into account the features of elastic matching of polydomain (twinned) regions. A model of interpenetrating phases is proposed to describe the two-phase states on the condition of a complete relieving of the mechanical stress at interfaces. A good agreement between the experimental and theoretical results on the variants of phase coexistence has been achieved.

AB - We report the results of crystallographic analysis of various complex heterophase states that occur around the morphotropic phase boundary in the relaxor-based (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO 3 solid solutions at room temperature. Different variants of the coexistence of two or three morphotropic phases are analyzed based on the structural data of Noheda et al. [Phys. Rev. B 66, 054104 (2002)] and Singh and Pandey [Phys. Rev. B 67, 064102 (2003)], and interpreted by taking into account the features of elastic matching of polydomain (twinned) regions. A model of interpenetrating phases is proposed to describe the two-phase states on the condition of a complete relieving of the mechanical stress at interfaces. A good agreement between the experimental and theoretical results on the variants of phase coexistence has been achieved.

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DO - 10.1103/PhysRevB.70.094113

M3 - 文章

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

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Coexistence of morphotropic phases in (1-x)Pb(Mg_1/3Nb _2/3)O₃-xPbTiO₃ solid solutions

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