Second-order susceptibility terms in orthoferrites at room temperature

G. Gorodetsky, D. Treves

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Two possible mechanisms for weak ferromagnetism, single-ion magnetocrystalline anisotropy and antisymmetric exchange, are examined on orthoferrites which contain a paramagnetic rare earth. The study was done by comparing the ferromagnetic components and the terms of the second-order susceptibility tensor that are obtained from torque measurements to the equivalent values calculated from Hamiltonians based on above mechanisms. The results show that the weak ferromagnetism is due mainly to the antisymmetric exchange mechanism.

Original languageEnglish
Pages (from-to)A97-A101
JournalPhysical Review
Volume135
Issue number1A
DOIs
StatePublished - 1 Dec 1964
Externally publishedYes

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