Intrinsic ferromagnetism in hexagonal boron nitride nanosheets

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成果类型：

期刊论文

作者：

Si, M. S.*;Gao, Daqiang;Yang, Dezheng;Peng, Yong;Zhang, Z. Y.;...

通讯作者：

Si, M. S.

作者机构：

[Xue, Desheng; Gao, Daqiang; Peng, Yong; Zhang, Z. Y.; Yang, Dezheng; Si, M. S.] Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Lanzhou 730000, Peoples R China.

[Liu, Yushen] Changshu Inst Technol, Jiangsu Lab Adv Funct Mat, Changshu 215500, Peoples R China.

[Liu, Yushen] Changshu Inst Technol, Coll Phys & Engn, Changshu 215500, Peoples R China.

[Deng, Xiaohui] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang 421008, Peoples R China.

[Zhang, G. P.] Indiana State Univ, Dept Phys, Terre Haute, IN 47809 USA.

通讯机构：

[Si, M. S.] L

Lanzhou Univ, Key Lab Magnetism & Magnet Mat, Minist Educ, Lanzhou 730000, Peoples R China.

语种：

英文

关键词：

Boron nitride;Electron-electron interactions;Ferromagnetic materials;Nanosheets;Ab initio calculations;Ferromagnetic coupling;Ferromagnetic orderings;Hexagonal boron nitride;High Curie temperature;Intrinsic ferromagnetism;Intrinsic property;Room temperature ferromagnetism;Ferromagnetism

期刊：

JOURNAL OF CHEMICAL PHYSICS

ISSN：

0021-9606

年：

2014

卷：

140

期：

页码：

204701

DOI：

10.1063/1.4879055

基金类别：

National Basic Research Program of ChinaNational Basic Research Program of China [2012CB933101]; National Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [51202101, 51372107]; China Scholarship CouncilChina Scholarship Council

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

Understanding the mechanism of ferromagnetism in hexagonal boron nitride nanosheets, which possess only s and p electrons in comparison with normal ferromagnets based on localized d or f electrons, is a current challenge. In this work, we report an experimental finding that the ferromagnetic coupling is an intrinsic property of hexagonal boron nitride nanosheets, which has never been reported before. Moreover, we further confirm it from ab initio calculations. We show that the measured ferromagnetism should be attributed to the localized π sta...

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Intrinsic ferromagnetism in hexagonal boron nitride nanosheets

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