Spin-Wave Resonance in Multilayer Films (One-Dimensional Magnon Crystals). Identification Rules

被引：19

作者：

Iskhakov, R. S. ^{[1
]}

Stolyar, S. V. ^{[1
,2
]}

Chizhik, M. V. ^{[2
]}

Chekanova, L. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia

[2] Siberian Fed Univ, Krasnoyarsk 660041, Russia

来源：

JETP LETTERS | 2011年 / 94卷 / 04期

关键词：

SPECTRUM; ALLOYS;

D O I：

10.1134/S0021364011160077

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The characteristic modification of the spectrum of the exchange spin waves has been revealed in ferromagnet/ferromagnet multilayer films with a thickness of N(d(1) + d(2)) by the spin-wave resonance method. This modification is due to the first bandgap at the wavenumber k(b) = pi/(d(1) + d(2)) of a magnon crystal, which is formed by one-dimensional modulation of the magnetization. It has been shown that the transformation of the multilayer film with thermal annealing to the film of a single-phase alloy is accompanied by the disappearance of this modification of the spectrum. DOI: 10.1134/S0021364011160077

引用

页码：301 / 305

页数：5

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