Measurements of electrical resistivity of Rh(Fe) alloys from 20 mK to 7 K are consistent with a spin fluctuation temperature Tsf=2 K, with impurity interactions still apparent at 0.1% Fe. Peaks are observed in both the thermoelectric power and heat capacity at Tsf. The heat capacity γT and βT3 terms are strongly enhanced compared to pure Rh. Annealing the 0.1% Fe sample at room temperature for eight months resulted in a decrease in Tsf of 55%. The 1% Fe sample seems to display interaction‐modified spin fluctuation characteristics and spin glass characteristics simultaneously.

Topics
Thermodynamic properties, Electrical resistivity, Magnetic materials, Thermoelectric effects
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© 1975 American Institute of Physics.
1975
American Institute of Physics
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