First-principle investigation on multiferroicity and interfacial coupling of nonstoichiometric tetragonal La2/3Sr1/3MnO3/BiCoO3 interface - 文章详情页

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摘要：

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.

关键词：

Electronic structure First-principle Interface Multiferroic Spintronic

作者机构：

[ 1 ] [Zhang, Wei]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 2 ] [Zhang, Ming]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 3 ] [Guo, Gencai]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 4 ] [Ming, Bangmin]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 5 ] [Lin, Shenye]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 6 ] [Cui, Yanlei]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 7 ] [Wang, Ruzhi]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China
[ 8 ] [Zhang, Wei]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 9 ] [Zhang, Ming]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 10 ] [Guo, Gencai]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 11 ] [Ming, Bangmin]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 12 ] [Lin, Shenye]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 13 ] [Cui, Yanlei]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[ 14 ] [Wang, Ruzhi]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息：

[Zhang, Ming]Beijing Univ Technol, Key Lab Adv Funct Mat, Minist Educ China, Beijing 100124, Peoples R China

电子邮件地址：

mzhang@bjut.edu.cn

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