mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal Universitymrisel-213Research ArticleСтатьиThe Model Calculation of Angular Dependence of CESR Linewidth in AluminiumBondarenkoAndrei B.

Kremlevskaya, 18, Kazan 420008

ProshinYurii N.

Kremlevskaya, 18, Kazan 420008

Yurii.Proshin@ksu.ruDepartment of Theoretical Physics, Kazan State UniversityRussian Federation19972101202411117Copyright © Bondarenko A.B., Proshin Y.N., 20242024Bondarenko A.B., Proshin Y.N.Bondarenko A.B., Proshin Y.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/213

A simple model of the Fermi surface for an interpretation of the conduction electron spin resonance (CESR) results in Aluminium is developed. According to the real Aluminium Fermi surface 48 small rings with the large amount of the g-factor shift are arranged in five layers on the Fermi sphere, as distinct from the random distribution of them in the previous model proposed by Silsbee and Beuneu (SB). The present model reproduce known experimental CESR linewidth dependencies versus the frequency at different temperature region as well as the SB model. Additionally to the SB results the CESR linewidth is found to be independent from the magnetic field direction in the high temperature approximation. In both other cases (intermediate and low temperatures) the g-value anisotropy over Fermi surface is predicted to lead to the essential angular CESR linewidth dependence with five peaks. Some applications of the model to various systems with conduction electrons are discussed.

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The authors declare that there are no conflicts of interest present.