ELECTRICAL RESISTIVITY OF SOME DILUTE GOLD-RARE EARTH ALLOYS

被引:1
作者
EDWARDS, LR
LEGVOLD, S
机构
[1] Institute for Atomic Research, Department of Physics, Iowa State University, Ames, IA
关键词
D O I
10.1063/1.1656244
中图分类号
O59 [应用物理学];
学科分类号
摘要
The electrical resistivity has been measured from 1.3°to 20°K on solid solutions of Ce, Nd, Gd, Tb, and Ho in Au. It was found that the resistivity decreased monotonically with decreasing temperature with no evidence of a resistance minimum. However, for the Gd, Tb, and Ho in Au alloys, the resistivity showed a pronounced decrease in the temperature range 3.5°to 6°K. These results are discussed in terms of the Kondo theory. It was also found that the residual resistivity (4.2°K) is proportional to the concentration of rare earths for the Gd, Tb, and Ho alloys. Furthermore, the proportionality constant is the same for the three sets of alloys, indicating ionic (trivalent) scattering as the main contribution to the residual resistivity. © 1968 The American Institute of Physics.
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页码:1242 / &
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