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Title

Large linear magnetoelectric effect and field-induced ferromagnetism and ferroelectricity in DyCrO4

AuthorsShen, Xudong; Zhou, Long; Chai, Yisheng; Wu, Yan; Liu, Zhehong; Yin, Yunyu; Cao, Huibo; Dela Cruz, Clarina; Sun, Young; Jin, Changqing; Muñoz, Angel; Alonso, J. A. ; Long, Youwen
KeywordsMagnetoelectric properties
DyCrO4
Ferroelectricity
Ferromagnetism
Issue Date2019
PublisherSpringer Nature
CitationNPG Asia Materials 11 (2019)
Abstract[EN] All the magnetoelectric properties of scheelite-type DyCrO are characterized by temperature- and field-dependent magnetization, specific heat, permittivity, electric polarization, and neutron diffraction measurements. Upon application of a magnetic field within ±3 T, the nonpolar collinear antiferromagnetic structure leads to a large linear magnetoelectric effect with a considerable coupling coefficient. An applied electric field can induce the converse linear magnetoelectric effect, realizing magnetic field control of ferroelectricity and electric field control of magnetism. Furthermore, a higher magnetic field (>3 T) can cause a metamagnetic transition from the initially collinear antiferromagnetic structure to a canted structure, generating a large ferromagnetic magnetization up to 7.0 μ f.u.. Moreover, the new spin structure can break the space inversion symmetry, yielding ferroelectric polarization, which leads to coupling of ferromagnetism and ferroelectricity with a large ferromagnetic component.
Publisher version (URL)http://dx.doi.org/10.1038/s41427-019-0151-9
URIhttp://hdl.handle.net/10261/211176
Identifiersdoi: 10.1038/s41427-019-0151-9
e-issn: 1884-4057
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