期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 475, 期 -, 页码 98-102出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2018.11.099
关键词
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资金
- RFBR [18-02-00706]
We provide a theoretical description of frustrated multiferroic MnI2 with a spiral magnetic ordering in magnetic field h. We demonstrate that subtle interplay of exchange coupling, dipolar forces, hexagonal anisotropy, and the Zeeman energy account for the main experimental findings observed recently in this material (Kurumaji a al., Phys. Rev. Lett. 106 (2011) 167206). We describe qualitatively the non-trivial evolution of electric polarization P upon h rotation, changing P direction upon h increasing, and disappearance of ferroelectricity at h > h(c) where h(c) is smaller than the saturation field.
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