Phenomenological theory of spin-orbit phase transitions
Khisa Sh. Borlakov, Albert Kh. Borlakov (North Caucasian State, Humanitarian, Technological Academy)
TL;DR
This paper develops a phenomenological Landau theory to logically prove the existence of spin-orbit phase transitions in magnetic crystals, exemplified by magnetic and structural changes in copper ferrite.
Contribution
It provides the first phenomenological framework for spin-orbit transitions, applying Landau theory to magnetic crystals.
Findings
Confirmed the existence of spin-orbit transitions in transition magnetic crystals.
Applied the theory to copper ferrite, explaining its magnetic and structural transformations.
Established a logical proof supporting Goodenough and Khomskii's idea.
Abstract
This work is devoted to the logical proof of the Goodenough and Khomskii idea of the existence of spin-orbit transitions in transition magnetic crystals. In agreement with the basics of the Landau theory of phase transitions the phenomenological theory of spin-orbit transitions is constructed. The general scheme of the theory is illustrated by the application to the description of magnetic and structural transformations in the copper ferrite CuFe2O4.
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Taxonomy
TopicsMagnetic Properties and Synthesis of Ferrites · Magneto-Optical Properties and Applications