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오늘 본 자료
Wei Zhang,Mingzhang Lan,Gencai Guo,Bangming Ming,Shenye Lin,Yanlei Cui,Ruzhi Wang 한국물리학회 2019 Current Applied Physics Vol.19 No.11
The energetically stable tetragonal nonstoichiometric La2/3Sr1/3MnO3/BiCoO3 (LSMO/BCO) interface, whose chemical formula is (BiO)3(CoO2)4/(LaO)3(SrO)1(MnO2)3, was investigated by using first-principle calculations. A magnetoelectric coupling effect, i.e., an electric control of the magnetism, was approved by a maximum variation of 17.9% in magnetic moments tuned by the electric polarization reversal. The interfacial coupling was controlled by the polar shifts of the interfacial Co and/or O atoms. A huge variation in spin-polarization from 6.3% to 72.7% was achieved upon switching the electric polarization. These findings are useful for magnetoelectric coupled spintronic device applications.