Growth-Controlled Engineering of Magnetic Exchange Interactions in Single Crystalline GaCoZnO1-v Epitaxial Films with High Co Concentration
Cao, Q; Fu, MX; Zhu, DP; Yao, MY; Hu, SJ; Chen, YX; Yan, SS; Liu, GL; Qian, D; Gao, XY; Mei, LM; Wang, XL
2017
发表期刊CHEMISTRY OF MATERIALS
ISSN0897-4756
卷号29期号:7页码:2717-2723
文章类型期刊论文
摘要While semiconductor spintronics promises lower switching energy and faster speed, a major limitation development lack on its as a viable technology is the of room temperature ferromagnetic semiconductor materials. The material challenge is because not only magnetic and great, electronic doping but also thermally robust coupling between them are required for a room temperature ferromagnetic semiconductor. Here, we report the growth-controlled engineering of magnetic exchange interactions in single crystalline GaCoZnO1-v epitaxial films with high Co concentrations (0.3 <= x <= 0.45) by controlling oxygen vacancy and carrier density through Ga3+ doping. Strong ferromagnetism, spin-split impurity states, and spin-polarized electrical transport are realized and well controlled at room temperature by tailoring the s,p-d exchange coupling. This room temperature ferromagnetic semiconductor, which offers the ability to individually control carrier density and magnetic doping, will lay a solid foundation for the development of practical spintronic devices operating at room temperature.
DOI10.1021/acs.chemmater.6b03339
收录类别SCI
语种英语
WOS记录号WOS:000399264100014
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27341
专题中科院上海应用物理研究所2011-2018年
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Cao, Q,Fu, MX,Zhu, DP,et al. Growth-Controlled Engineering of Magnetic Exchange Interactions in Single Crystalline GaCoZnO1-v Epitaxial Films with High Co Concentration[J]. CHEMISTRY OF MATERIALS,2017,29(7):2717-2723.
APA Cao, Q.,Fu, MX.,Zhu, DP.,Yao, MY.,Hu, SJ.,...&Wang, XL.(2017).Growth-Controlled Engineering of Magnetic Exchange Interactions in Single Crystalline GaCoZnO1-v Epitaxial Films with High Co Concentration.CHEMISTRY OF MATERIALS,29(7),2717-2723.
MLA Cao, Q,et al."Growth-Controlled Engineering of Magnetic Exchange Interactions in Single Crystalline GaCoZnO1-v Epitaxial Films with High Co Concentration".CHEMISTRY OF MATERIALS 29.7(2017):2717-2723.
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