Magnetic correlations and transport properties in triangular-lattice nickel germanide Ni1.8Ge single crystal

Magnetic correlations and transport properties in triangular-lattice nickel germanide Ni1.8Ge single crystal
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三角晶格镍锗化物Ni1.8Ge单晶的磁关联和输运特性

DOI:
10.1016/j.jmmm.2018.03.061
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发表时间:
2018-08
影响因子:
2.7
通讯作者:
Xiong Y M
Xiong Y M
中科院分区:
材料科学3区
文献类型:
--
作者:
Xian Cong;Wang Yihao;Wang Jian;Zhang Lei;Cao Liang;Xiong Y M

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本文研究了三角点阵Ni_(1.8)Ge单晶的磁性和输运性质。结果表明,Ni 1.8Ge是一种具有明显磁各向异性的金属。该化合物在两个方向上都表现出铁磁关联沿着。然而,由于三角形镍晶格产生的几何挫折,没有观察到长程磁序。在低温下,电子-磁振子散射和自旋涨落对电阻率和磁电阻有明显的贡献,表明存在短程动态磁有序。
Magnetic and transport properties of triangular-lattice Ni1.8Ge single crystal have been studied. The results reveal that Ni1.8Ge is a metal with an obvious magnetic anisotropy. The compound exhibits ferrimagnetic correlations along both directions. However, the long-range magnetic order was not observed due to the geometrical frustration arising from the triangular nickel lattice. At low temperature, the electron-magnon scattering and spin fluctuation have obvious contributions to the resistivity and magnetoresistance, indicating the existence of short-range dynamic magnetic ordering.
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影响因子: --
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