Abstract
An electron spin resonance (ESR) study on Au82Fe18 has been carried out over a wide temperature range (4.2<T<160 K). ESR spectra have been taken after cooling the sample either in zero field or in a high field applied either parallel or perpendicular to the surface of a thin disc-like specimen. Anisotropy fields were then obtained by analysing the data for both geometries. The authors have compared their results with those of other authors, and found that changing the degree of clustering by cold working the sample causes an increase in the anisotropy and a decrease in g value. They also found that the anisotropy continues to the Curie temperature (TC approximately=165 K), which is much higher than the canting temperature (70 K) obtained by Campbell et al. (1986) for a specimen prepared under different conditions.
Published Version
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