Abstract
The effective electronic orbital contribution and the effective electronic spin contribution to the spontaneous magnetization for binary alloys of Fe, Co, and Ni are determined from Scott's measured magnetomechanical -factors using the relations and where is assumed to be independent of the strength of the magnetic field and the temperature. It is believed that has several-fold greater accuracy when determined from the factors than when determined from ferromagnetic-resonance factors. In terms of the Bohr magneton , the orbital magnetic moments for the pure elements at 300°K are: for iron, (4.22% of ); for cobalt, (8.81% of ); and for nickel, (8.92% of ). The values for the fcc phases of the alloys agree well with those reported by Meyer and Asch from their -factor data. For these alloys, is much more sensitive to the crystalline structure than and are. The relationship holds for Fe-Ni and Fe-Co alloys (with the exception of one point) within the accuracy of the -factor measurements (∼0.1-1.0%).
- Received 17 March 1969
DOI:https://doi.org/10.1103/PhysRev.184.492
©1969 American Physical Society