MAGNETOSTRICTION IN NICKEL ALLOYS,
Abstract
It is shown that the existence of an orbital degeneracy in the 3d band may lead to a change of sign of the magnetostriction, when this degeneracy goes through the Fermi level. Such a change of sign is observed in the Fe-Ni and Co-Ni alloy series (permalloy), at an electron concentration of 27.7 electrons per atom. As was shown in a previous publication, the same orbital degeneracy is probably responsible for the strong maximum of the magnetoresistance, and for the change of sign of the extraordinary Hall effect, observed in these alloys at the same value of the electron concentration. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 15, 1964
- Accession Number
- AD0454059
Entities
People
- Lukas Berger
Organizations
- Carnegie Institute of Technology