Journal of Radio Electronics. eISSN 1684-1719. 2026. ¹6

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DOI: https://doi.org/10.30898/1684-1719.2026.6.3

 

 

 

APPLICATION OF DYNAMIC POTENTIAL MODEL

FOR INTERPRETATION OF NONLINEAR 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 May 12, 2026.

 

Abstract. The application of dynamic potential model for interpretation of nonlinear magnetization precession in cubic anisotropy medium type [001] is investigated. The model of dynamic potential with accounting of interaction of magnetization with inner field, character of uniaxial and cubic anisotropy and demagnetization factor is proposed. It is investigated the potential surface of cubic anisotropy type [001]. It is found that this surface has maximum on the middle of plate and four symmetric disposed maxima. It is found two character sections of potential by vertical plane. The first section goes through one minimum and the second section goes through maximum between two minima. It is proposed the criterion of going magnetization from small to large circle which consist of reaching the magnetization amplitude the intersection point of first and second section lines. It is shown that free establishment of magnetization consist of two stages. On the first stage magnetization untwist by spiral, on the second stage magnetization twist inside of one of minimum. It is shown that the first stage duration is back proportional to anisotropy constant value. It is investigated the forced vibrations of magnetization by increasing of variable field. On the first stage magnetization moves by small circle. On the second stage magnetization moves by large circle. The transfer from first stage to second occurs by jump in critical value of variable field amplitude. It is proposed some recommendations for further investigations. Some recommendations for further development of the work are given.

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

Financing: The study was carried out within the grant of Russian Scientific Fondation ¹ 75-72-20063 and also within the framework of the state assignment of the V.A. Kotelnikov Institute of Radio Engineering and Electronics of the Russian Academy of Sciences.

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. Application of dynamic potential model for interpretation of nonlinear magnetization precession in anisotropy medium // Journal of Radio Electronics. – 2026. – ¹ 6. https://doi.org/10.30898/1684-1719.2026.6.3 (In Russian)