Half-metallic ferromagnetism in wurtzite SrC

被引:18
|
作者
Zhang, Chang-wen [1 ]
Yan, Shi-shen [2 ]
Li, Hua [2 ]
机构
[1] Univ Jinan, Sch Sci, Jinan 250022, Peoples R China
[2] Shandong Univ, Sch Phys & Microelect, Jinan 250100, Peoples R China
来源
关键词
D O I
10.1002/pssb.200743333
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The first-principles full potential linearized augmented plane-wave method within density-functional theory is used to investigate electronic structure and magnetism of wurtzite (WZ) crystal structure SrC. It is shown that the WZ SrC is a true half-metallic ferromagnet with a magnetic moment of 2(mu B) per formula unit. The large HM gaps (0.72 eV) and robustness of half-metallicity with respect to the lattice change make if possible candidate grown epitaxially on appropriate substrates in the form of films thick enough, and therefore should be useful in spintronics and other related applications.
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页码:201 / 205
页数:5
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