Brillouin light scattering studies of planar metallic magnonic crystals

被引：189
作者：
Gubbiotti, G. [1 ]
Tacchi, S. [1 ]
Madami, M. [1 ]
Carlotti, G. [1 ,2 ]
Adeyeye, A. O. [3 ]
Kostylev, M. [4 ]
机构：
[1] CNISM, Unita Perugia, Dipartimento Fis, I-06123 Perugia, Italy
[2] Univ Perugia, I-06123 Perugia, Italy
[3] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[4] Univ Western Australia, Sch Phys M013, Nedlands, WA 6009, Australia
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2010年 / 43卷 / 26期
基金：
澳大利亚研究理事会;
关键词：
SPIN-WAVES; MAGNETOSTATIC MODES; NANOSTRUCTURES; QUANTIZATION; FABRICATION;
D O I：
10.1088/0022-3727/43/26/264003
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The application of Brillouin light scattering to the study of the spin-wave spectrum of one- and two-dimensional planar magnonic crystals consisting of arrays of interacting stripes, dots and antidots is reviewed. It is shown that the discrete set of allowed frequencies of an isolated nanoelement becomes a finite-width frequency band for an array of identical interacting elements. It is possible to tune the permitted and forbidden frequency bands, modifying the geometrical or the material magnetic parameters, as well as the external magnetic field. From a technological point of view, the accurate fabrication of planar magnonic crystals and a proper understanding of their magnetic excitation spectrum in the gigahertz range is oriented to the design of filters and waveguides for microwave communication systems.
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页数：13
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