Mn2CoSb compound: Structural, electronic, transport and magnetic properties

Dai XF; Liu GD; Chen LJ; Chen JL; Wu GH

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Mn2CoSb compound: Structural, electronic, transport and magnetic properties

机译：Mn2CoSb化合物：结构，电子，传输和磁性

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High-ordered Mn2CoSb compound has been synthesized successfully by a melt-spinning technique. The band structure calculation shows that Mn2CoSb is a true half-metallic ferromagnet characterized by an indirect Gamma-X band gap of about 0.4007 eV around the Fermi level for minority-spin electrons. The calculated magnetic moment is 4.00 AB per formula unit, which is close to the experimental value of 3.92 It B. The electronic resistivity shows a power-law T-1.33 temperature dependence at low temperature. The T-1.5 dependence of the magnetization was observed at low temperature, which is expected from Bloch's law. (c) 2006 Elsevier Ltd. All rights reserved.

机译：通过熔融纺丝技术成功合成了高阶Mn2CoSb化合物。能带结构计算表明，Mn2CoSb是真正的半金属铁磁体，其特征在于少数自旋电子在费米能级附近的间接Gamma-X带隙约为0.4007 eV。计算出的磁矩为每公式单位4.00 AB，接近于3.92 It B的实验值。电阻率在低温下显示出幂律T-1.33与温度的关系。在低温下观察到磁化强度的T-1.5依赖性，这是根据布洛赫定律所预期的。（c）2006 Elsevier Ltd.保留所有权利。

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来源
《Solid State Communications》 |2006年第12期|p. 533-537|共5页
作者
Dai XF; Liu GD; Chen LJ; Chen JL; Wu GH;
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作者单位

Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China;

Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
hensler alloy; electronic band structure; magnetism; transport properties; HALF-METALLIC FERROMAGNETS; BAND-STRUCTURE; GIANT MAGNETORESISTANCE; ATOMIC DISORDER; NIMNSB; SURFACES; MN2VAL;

机译：亨斯勒合金;电子能带结构;磁性;传输性能;半金属铁磁合金;能带结构;大磁阻;原子失调;NIMNSB;表面;MN2VAL;

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Mn2CoSb compound: Structural, electronic, transport and magnetic properties

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