Observation of ferroelectricity and magnetoelectric coupling in Mn-doped orthochromite DyCr0.5Mn0.5O3

被引：16

作者：

Yuan, B. ^{[1
]}

Yang, J. ^{[1
]}

Zuo, X. Z. ^{[1
]}

Kan, X. C. ^{[1
]}

Zhu, X. B. ^{[1
]}

Dai, J. M. ^{[1
]}

Song, W. H. ^{[1
]}

Sun, Y. P. ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China

[2] Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China

[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 656卷

基金：

中国国家自然科学基金;

关键词：

Ferroelectricity; Magnetoelectric effects; Multiferroics; SUPEREXCHANGE INTERACTION; WEAK FERROMAGNETISM; RAMAN-SPECTROSCOPY; MULTIFERROICS; TRANSITION;

D O I：

10.1016/j.jallcom.2015.10.030

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：

We investigate the structural, magnetic, and magnetoelectric properties of DyCr0.5Mn0.5O3. DyCr0.5Mn0.5O3 exhibits ferroelectricity at the paramagnetic antiferromagnetic transition temperature, i.e., T-N = 74 K, demonstrating the polarization is driven by magnetic order. Furthermore, the ferroelectric polarization can be substantially influenced by applied magnetic fields indicating a strong magnetoelectric effect in DyCr0.5Mn0.5O3. It is demonstrated that the ferroelectricity in DyCr0.5Mn0.5O3 may stem from the spin-phonon coupling of Dy and Mn/Cr ions as evidenced by the temperature dependence of Raman phonon modes. The results manifest that DyCr0.5Mn0.5O3 is a potential candidate for magnetoelectric device applications. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：830 / 834

页数：5

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