Magnetostatic modes in a Purely Conductive Material@Ferromagnetic (Core@Shell) spherical structure

被引：0

作者：

Saldanha-Bautista, D. E. ^{[1
]}

Padron-Hernandez, Eduardo ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Fis, Av Jorn Anibal Fernandes S-N, BR-50740540 Recife, PE, Brazil

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2023年 / 585卷

关键词：

Ferromagnetic hollow sphere; LLG equation; PCM@FM structure; Magnetostatic modes; RESONANCE; MAGNETIZATION; SPECTROSCOPY; WAVES;

D O I：

10.1016/j.jmmm.2023.171123

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work we study the dispersion relation of magnetostatic modes in the spherical core@shell structure of purely conductive material (PCM) as core and soft ferromagnetic (FM) as shell. The PCM is a sphere of radius r1 covered by an FM shell of inner radius r1 and outer radius r2. To solve the equation, a transformation of the Walker equation in the FM region based on the solution proposed by Plumier was performed. The obtained solutions are consistent with those obtained by approximate methods proposed in the literature.

引用

页数：6

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