Double-perovskite multiferroic Bi2FeCrO6 polycrystalline thin film: The structural, multiferroic, and ferroelectric domain properties

被引：33

作者：

Sha, L. ^{[1
]}

Miao, J. ^{[1
]}

Wu, S. Z. ^{[1
]}

Xu, X. G. ^{[1
]}

Jiang, Y. ^{[1
]}

Qiao, L. J. ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Minist Educ, Ctr Corros & Protect, Key Lab Environm Fracture, Beijing 100083, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 554卷

关键词：

Double-perovskite; Leakage current; Multiferroic properties; Ferroelectric domain;

D O I：

10.1016/j.jallcom.2012.11.187

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：

Double-perovskite Bi2FeCrO6 (BFCO) thin film has been deposited on Pt/Ti/SiO2/Si (100) substrate by pulsed laser deposition method. X-ray diffraction reveals that the BFCO film was polycrystalline and high purity. The surface morphology in BFCO film exhibits the dense and uniform grain. Interestingly, compared with BiFeO3 film, the BFCO film shows a better ferroelectric properties. Moreover, a well-defined magnetic hysteresis of the BFCO film indicates a ferromagnetic property at room temperature. The ferroelectric domain structure of polycrystalline BFCO film was investigated by piezoresponse force microscopy. Furthermore, the domain structure of polycrystalline BFCO film under an applied electric field was simulated by a Monte Carlo method. Those results suggest that the multiferroic BFCO double-perovskite thin film may be a promising functional material for the future device application. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：299 / 303

页数：5

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