Abstract
We have measured the thermoelectric power of amorphous Fe91Zr9, and Fe90Zr10 alloys in the temperature range 80–400 K. The absolute thermoelectric power, S, is found to be negative for both the alloys, with a value in the range −2 to −5 μV/K. Furthermore, S increases in magnitude almost linearly at temperatures below 280 K with slopes −1.3 × 10−2μV/K2, and −1.7 × 10−2μV/K2 respectively. These results, which suggest a major contribution of magnetic origin to S, are consistent with recent electrical and magneto-resistance studies on the same samples and can be explained in the frame-work of the Coherent-exchange Scattering model.
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