INFLUENCE OF 5F ELECTRONS ON TRANSPORT-PROPERTIES IN URANIUM-BASED METALLIC GLASSES

被引：5

作者：

SCHEIDT, EW ^{[1
]}

RIESEMEIER, H ^{[1
]}

LUDERS, K ^{[1
]}

ROBRECHT, M ^{[1
]}

HASSE, J ^{[1
]}

机构：

[1] UNIV TH KARLSRUHE, INST PHYS, KARLSRUHE, GERMANY

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1992年 / 183卷

关键词：

D O I：

10.1016/0925-8388(92)90736-S

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In order to study the influence of 5f electrons on the superconducting and the magnetic properties of uranium glasses, X-ray, upper critical magnetic field and susceptibility measurements were performed on three binary metallic glass systems: U-Fe, U-Co and U-Ni. For each alloy system a continuous range of uranium-rich compositions prepared by splat cooling has been examined. It is found that these samples have ferromagnetic inclusions which may be due either to ferromagnetic impurities or to the formation of clusters with high transition metal densities. The superconducting transition temperature is reduced by strong spin fluctuations. Both the superconductivity and the spin fluctuation are due to the presence of the 5f electrons.

引用

页码：116 / 128

页数：13

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