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首页> 外文期刊>Physica status solidi, B. Basic research >Electrical resistivity of RNi4B compounds (R = Y or rare earth)
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Electrical resistivity of RNi4B compounds (R = Y or rare earth)

机译:RNi4B化合物的电阻率(R = Y或稀土)

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摘要

Electrical resistivity studies of RNi4B compounds (R = Y, Ce, Pr, Nd, Sm, Dy, Ho, Er) are presented. The ordering temperatures are well established in the case of the ferromagnetic compounds. YNi4B shows a presence of an impurity carbon-rich phase with a transition to the superconducting state at temperature of 12 K. This compound was treated as the isostructural non-magnetic reference compound for the RNi4B series. CeNi4B reveals a shallow Kondo-like minimum at low temperatures. Spin-disorder contributions are derived for the compounds and the resistivity in the ferromagnetic region is analysed including the influence of anisotropy effects. In the case of SmNi4B the effect of the crystal field was taken into consideration. [References: 26]
机译:提出了RNi4B化合物(R = Y,Ce,Pr,Nd,Sm,Dy,Ho,Er)的电阻率研究。在铁磁化合物的情况下,定序温度是很好建立的。 YNi4B显示在12 K的温度下过渡到超导状态的富碳杂质相的存在。该化合物被视为RNi4B系列的同构非磁性参考化合物。 CeNi4B在低温下显示出类似近藤的浅色最小值。导出了化合物的自旋无序贡献,并分析了包括各向异性效应影响在内的铁磁区域的电阻率。对于SmNi4B,考虑了晶体场的影响。 [参考:26]

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