Evolution of electric polarization and magnetic properties in half-Cr-doped YMnO3 films in response to epitaxial strain

被引：5

作者：

Hao, Lin ^{[1
,2
]}

Cai, Hong Bing ^{[3
]}

Xie, Xiang Nan ^{[1
,2
]}

Wang, Hao Ru ^{[1
,2
]}

Lin, Guan Kai ^{[1
,2
]}

Wang, Xiao Ping ^{[1
,3
,4
]}

Zhu, Hong ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Dept Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

[2] Chinese Acad Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

[3] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

[4] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 687卷

基金：

中国国家自然科学基金;

关键词：

Cr-doped manganite; Single-crystal film; Multiferroicity; Magnetic anisotropy; Compressive strain; FERRIMAGNETISM;

D O I：

10.1016/j.jallcom.2016.06.113

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：

Half-Cr-doped YMnO3 single crystal films have been grown on YAlO3 substrates with various compressive strains by using magneto sputtering and ex-situ annealing process. We report on effects of the compressive strain on their multiferroic properties. Anisotropic polarization shows a monotonous dependence on the compressive strain along the corresponding crystal axis. Furthermore, relative ratio between the remanent magnetic moments along the a- and c-axes is found to be strongly related to the lattice parameter c. These results are ascribed to the modification of magnetic structure under various compressive strains, i.e., the compressive strains along the a- and c-axes predominantly stabilize the E-type antiferromagnetic and bc-cycloidal phases, respectively. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1 / 6

页数：6

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