Journal of Radio Electronics. eISSN 1684-1719. 2026. №7

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DOI: https://doi.org/10.30898/1684-1719.2026.7.4

SOME SPECIAL FEATURE OF CHAOTIC MAGNETIZATION

PRECESSION IN ANISOTROPY MEDIUM

V.S. Vlasov ¹, A.V. Golov ¹, L.N. Kotov ¹, V.I. Shcheglov ²

¹ Syktyvkar State University named after P. Sorokin,

167001, Syktyvkar, Oktyabrsky prospekt, 55

² Kotelnikov Institute of Radio Engineering and Electronics RAS,

125009, Moscow, st. Mokhovaya, 11 s.7

The paper was received June 2, 2026.

Abstract. Some special feature of chaotic magnetization precession in anisotropy medium type of [001] by large precession angles are investigated. It is found the motion equation which are solved by Rounge-Cutta method. It is found the magnetization vibrations in time development and corresponding precession portrait. For interpretation of received results the model of dynamic potential is proposed. From criterion of magnetization and external field it is found three levels of cubic anisotropy degree: weak, middle and strong. For all three anisotropy levels the potential surfaces in transverse magnetization components in plate flatness are constructed. It is shown that the most opportunity case for chaos achieving is the middle anisotropy case. The conditions of chaos achieving are investigated. It is proposed the algorithm which allow the excitation level and frequency of alternative field determined to chaos achieving. It is proposed some recommendations for further investigations.

Keywords: precession of magnetization, cubic anisotropy, nonlinear vibrations.

Financing: The work was carried out within the framework of the state assignment of the V.A. Kotelnikov Institute of Radio Engineering and Electronics of the Russian Academy of Sciences and by financial support of RSF, grant № 25-72-20063.

Corresponding author: Shcheglov Vladimir Ignatyevich, vshcheg@cplire.ru

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For citation:

Vlasov V.S., Golov A.V., Kotov L.N., Shcheglov V.I. Some special feature of chaotic magnetization precession in anisotropy medium // Journal of Radio Electronics. – 2026. – № 7. https://doi.org/10.30898/1684-1719.2026.7.4 (In Russian)