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Anomalous Behaviors of Spin Waves Studied by Inelastic Light Scattering

Title
Anomalous Behaviors of Spin Waves Studied by Inelastic Light Scattering
Authors
Hou, Hua-YiYang, MingQiu, JinYang, In-SangChen, Xiang-Bai
Ewha Authors
양인상
SCOPUS Author ID
양인상scopus
Issue Date
2019
Journal Title
CRYSTALS
ISSN
2073-4352JCR Link
Citation
CRYSTALS vol. 9, no. 7
Keywords
spin waveanti-Stokeslinewidthresonancepolarizationmagnonic crystal
Publisher
MDPI
Indexed
SCIE; SCOPUS WOS
Document Type
Article
Abstract
Magnonics, an emerging research field, aims to control and manipulate spin waves in magnetic materials and structures. However, the current understanding of spin waves remains quite limited. This review attempts to provide an overview of the anomalous behaviors of spin waves in various types of magnetic materials observed thus far by inelastic light scattering experiments. The anomalously large asymmetry of anti-Stokes to Stokes intensity ratio, broad linewidth, strong resonance e ff ect, unique polarization selection, and abnormal impurity dependence of spin waves are discussed. In addition, the mechanisms of these anomalous behaviors of spin waves are proposed.
DOI
10.3390/cryst9070357
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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