Defect-induced intermediate phase appearance in a single PbZrO3 crystal

被引：8
|
作者：
Kajewski, D. [1 ]
Kubacki, J. [1 ]
Balin, K. [1 ]
Lazar, I [1 ]
Piecha, J. [1 ]
Bussmann-Holder, A. [2 ]
Ko, J-H [3 ]
Roleder, K. [1 ]
机构：
[1] Univ Silesia, Inst Phys, Ul 75 Pulku Piechoty 1, PL-41500 Chorzow, Poland
[2] Max Planck Inst Festkorperforsch, Heisenbergstr 1, D-70569 Stuttgart, Germany
[3] Hallym Univ, Dept Phys, 1 Hallymdaehakgil, Chunchon 24252, Gangwondo, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2020年 / 812卷
基金：
新加坡国家研究基金会;
关键词：
Perovskites; Phase transition; Lattice defects; Electronic structure; X-ray photoelectron spectroscopy (XPS); FERROELECTRIC PHASE; TRANSITIONS; MODE;
D O I：
10.1016/j.jallcom.2019.152090
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The problem of intermediate phase in pure single PbZrO3 crystal, appearing below the main transformation from the paraelectric to antiferroelectric state, was investigated and analysed based on changes in the birefringence, secondary ion mass spectroscopy, and x-ray photoelectron spectroscopy. Controlled changes in stoichiometry of the crystal were achieved by thermal treatment of the crystal in ultra-high vacuum and at high temperatures, thereby creating defects in all sublattices which influence the appearance of this intermediate phase. The results obtained have allowed correlating changes in the distribution of individual elements in surface and crystal volume, as well as their concentration and their electron states, with changes in the intermediate phase temperature range. (C) 2019 Elsevier B.V. All rights reserved.
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页数：8
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