Misfit strain phase diagrams of epitaxial PMN-PT films

被引：37

作者：

Khakpash, N. ^{[1
,2
]}

Khassaf, H. ^{[1
,2
]}

Rossetti, G. A., Jr. ^{[1
,2
]}

Alpay, S. P. ^{[1
,2
,3
]}

机构：

[1] Univ Connecticut, Dept Mat Sci & Engn, Storrs, CT 06269 USA

[2] Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA

[3] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

来源：

APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 08期

关键词：

FERROELECTRIC THIN-FILMS; SINGLE-CRYSTALS; PIEZOELECTRIC PROPERTIES; SOLID-SOLUTIONS; CERAMICS; BOUNDARY; RELAXATION; BATIO3;

D O I：

10.1063/1.4913706

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Misfit strain-temperature phase diagrams of three compositions of (001) pseudocubic (1 - x)center dot Pb (Mgl/3Nb2/3)O-3 - x center dot PbTiO3 (PMN-PT) thin films are computed using a phenomenological model. Two (x = 0.30, 0.42) are located near the morphotropic phase boundary (MPB) of bulk PMN-PT at room temperature (RT) and one (x = 0.70) is located far from the MPB. The results show that it is possible to stabilize an adaptive monoclinic phase over a wide range of misfit strains. At RT, the stability region of this phase is much larger for PMN-PT compared to barium strontium titanate and lead zirconate titanate films. (C) 2015 AIP Publishing LLC.

引用

页数：5

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