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Half-metallicity in Fe-based Heusler alloys Fe(2)TiZ (Z = Ga, Ge, As, In, Sn and Sb)
Luo, HZ ; Liu, GD ; Meng, FB ; Li, JQ ; Liu, EK ; Wu, GH
刊名JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
2012
卷号324期号:20页码:3295
关键词MAGNETIC-PROPERTIES CURIE-TEMPERATURE AL CO 1ST-PRINCIPLES CO2FESI MOMENT NI SI
ISSN号0304-8853
通讯作者Luo, HZ: Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.
中文摘要The electronic structure and magnetic properties of new Fe-based Heusler alloys Fe(2)TiZ (Z = Ga, Ge, As, In, Sn and Sb) have been studied by first-principles calculations. In these alloys, the 24-electron Fe2TiGe, Fe2TiSn are nonmagnetic semiconductors and other compounds are all ferrimagnetic metals. Fe2TiAs and Fe2TiSb are predicted to be half-metals with 100% spin polarization. The spin polarization ratio in Fe2TiGa and Fe(2)Tiln is also quite high. The calculated total moment for Fe2TiAs and Fe2TiSb is 1 mu(B), which is mainly determined by the Fe partial moment. The half-metallicity of Fe2TiSb is stable under lattice distortion. The spin polarization of Fe2TiSb is found to be 100% for the lattice variation in a range of 5.6-6.1 angstrom, which is attractive in practical applications. (C) 2012 Elsevier B.V. All rights reserved.
收录类别SCI
资助信息National Natural Science Foundation of China [50901028, 50971055]; Natural Science Foundation of Hebei Province [E2010000103]
语种英语
公开日期2013-09-17
内容类型期刊论文
源URL[http://ir.iphy.ac.cn/handle/311004/39063]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式
GB/T 7714
Luo, HZ,Liu, GD,Meng, FB,et al. Half-metallicity in Fe-based Heusler alloys Fe(2)TiZ (Z = Ga, Ge, As, In, Sn and Sb)[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2012,324(20):3295.
APA Luo, HZ,Liu, GD,Meng, FB,Li, JQ,Liu, EK,&Wu, GH.(2012).Half-metallicity in Fe-based Heusler alloys Fe(2)TiZ (Z = Ga, Ge, As, In, Sn and Sb).JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,324(20),3295.
MLA Luo, HZ,et al."Half-metallicity in Fe-based Heusler alloys Fe(2)TiZ (Z = Ga, Ge, As, In, Sn and Sb)".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 324.20(2012):3295.
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