The multiferroic perovskite YFeO3

被引：181

作者：

Shang, Mingyu ^{[1
]}

Zhang, Chenyang ^{[1
]}

Zhang, Tingsong ^{[1
]}

Yuan, Lin ^{[1
]}

Ge, Lei ^{[1
]}

Yuan, Hongming ^{[1
]}

Feng, Shouhua ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 06期

基金：

中国国家自然科学基金;

关键词：

POLARIZATION;

D O I：

10.1063/1.4791697

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The orthoferrite YFeO3 with orthorhombic perovskite structure (Pnma) has been synthesized by mild hydrothermal method. The temperature-dependent magnetization and hysteresis loops indicate that, due to the superexchange and Dzyaloshinskii-Moriya interactions in the crystals, the Fe spins order antiferromagnetically at the Neel temperature 655 K with a weak ferromagnetic moment. The observation of saturation polarization loops at room temperature and 77 K provide evidence for the ferroelectric character of the polycrystalline samples. Its Curie temperature has been obtained from the temperature dependence of the relative permittivities and thermal analysis. As a result, the structure exhibits simultaneously weak ferromagnetic and ferroelectric behavior. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4791697]

引用

页数：3

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