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Abstract:
Electrical and thermal conductivity and thermoelectric power were theoretically calculated and measured for (La,Gd)Al2—a dilute magnetic alloy with ferromagnetic coupling of the Gd spins to the host electrons—between 0.3 and 10 K, and up to 8 T. It turned out that the transport properties at finite field deviate markedly from the zero-field behavior, e.g., in the electrical resistivity (where a steplike transition is found between the high-temperature logarithmic increase and a low-temperature plateau). A theoretical result for the Hall coefficient is also given.
