Magnetic Properties of Fe and Co Based Amorphous Alloys

1 January 1976

proceedings article
Published by AIP Publishing in AIP Conference Proceedings

Vol. 34 (1) , 307-309
https://doi.org/10.1063/1.2946110

Abstract

Detailed magnetic measurements were carried out on amorphous alloys: Fe‐Co‐P‐C, Fe‐Cr‐P‐C and Co‐Fe‐SI‐B. The saturation magnetizations (Ms) are obtained for these alloys using the formula dM/dH = Ms ( a/H 2 ) + X o . The spin‐wave dispersion coefficients (D) are also obtained from the low temperature magnetization measurements. The contribution of the structural disorder to the magnetic properties is found directly by comparing the results for the amorphous Fe 80 P 13 C 7 and Co 75 Si 15 B 10 with those for the corresponding single‐phase crystalline bcc Fe‐P‐C and hcp Co‐Si‐B, which were obtained by careful thermal treatments. The results show that the structural disorder has influence on the magnetic excitations rather than the magnetic moment.

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