Half-metallicity and anisotropy magnetoresistance properties of Heusler alloys Fe2Co1-xCrxSi
文献类型：期刊论文
| 作者 | Du, Y ; Xu, GZ ; Liu, EK ; Li, GJ ; Zhang, HG ; Yu, SY ; Wang, WH ; Wu, GH |
| 刊名 | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
 |
| 出版日期 | 2013 |
| 卷号 | 335页码:101 |
| ISSN号 | 0304-8853 |
| 关键词 | Half-metallicity Heusler alloy Anisotropy magnetoresistance |
| 通讯作者 | Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | In this paper, we investigate the half-metallicity of Heusler alloys Fe2Co1-x CrxSi by first principles calculations and anisotropy magnetoresistance measurements. It is found that, with the increase of Cr content x, the Fermi level of Fe2Co1-xCrxSi moves from the top of valence band to the bottom of conduction band, and a large half-metallic band gap of 0.75 eV is obtained for x=0.75. We then successfully synthesized a series of Heusler Fe2Co1-x CrxSi polycrystalline ribbon samples. The results of X-ray diffraction indicate that the Fe2Co1-x CrxSi series of samples are pure phase with a high degree of order and the saturation magnetic moment follows half-metallic Slater-Pauling rule. Except for the two end members, Fe2CoSi and Fe2CrSi, the anisotropic magnetoresistance of Fe2Co1-x CrxSi (x=0.25, 0.5, and 0.75) shows a negative value suggesting they are stable half-metallic ferromagnets. (C) 2013 Elsevier B.V. All rights reserved. |
| 资助信息 | National Natural Science Foundation of China [51071172, 51171207]; National Basic Research Program of China (973 Programs) [2012CB619405] |
| 语种 | 英语 |
| 公开日期 | 2014-01-16 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/57064]  |
| 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 | Du, Y,Xu, GZ,Liu, EK,et al. Half-metallicity and anisotropy magnetoresistance properties of Heusler alloys Fe2Co1-xCrxSi[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2013,335:101. |
| APA | Du, Y.,Xu, GZ.,Liu, EK.,Li, GJ.,Zhang, HG.,...&Wu, GH.(2013).Half-metallicity and anisotropy magnetoresistance properties of Heusler alloys Fe2Co1-xCrxSi.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,335,101. |
| MLA | Du, Y,et al."Half-metallicity and anisotropy magnetoresistance properties of Heusler alloys Fe2Co1-xCrxSi".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 335(2013):101. |
入库方式： OAI收割
来源：物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。