Temperature dependence of elastic moduli and period of magnetic spirals in cubic helimagnets with spins in non-equivalent positions

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Abstract

Critical phenomena in cubic helimagnets with nonequivalent magnetic atoms are investigated within the framework of the Weiss mean-field theory. The reason for the appearance of temperature dependences of elastic moduli and the pitch of the magnetic helicoid is found and the form of these dependences, determining the change in the conditions for the appearance of magnetic skyrmions in type II multiferroic Cu2OSeO3, is predicted.

About the authors

V. A. Chizhikov

Shubnikov Institute of Crystallography of the Kurchatov Complex Crystallography and Photonics of the NRC “Kurchatov Institute”; MIREA — Russian Technological University

Email: chizhikov@crys.ras.ru
Russian Federation, Moscow, 119333; Moscow

V. E. Dmitrienko

Shubnikov Institute of Crystallography of the Kurchatov Complex Crystallography and Photonics of the NRC “Kurchatov Institute”

Author for correspondence.
Email: chizhikov@crys.ras.ru
Russian Federation, Moscow, 119333

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In the print version, the article was published under the DOI: 10.31857/S0023476125040123


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