Backscattering Immunity of Dipole-Exchange Magnetostatic Surface Spin Waves

The existence of backscattering-immune spin-wave modes is demonstrated in magnetic thin films of nanoscale thickness. Our results reveal that chiral magnetostatic surface waves (CMSSWs), which propagate perpendicular to the magnetization direction in an in-plane magnetized thin film, are robust agai...

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Veröffentlicht in:	Physical review letters 2019-05, Vol.122 (19), p.197201-197201, Article 197201
Hauptverfasser:	Mohseni, M, Verba, R, Brächer, T, Wang, Q, Bozhko, D A, Hillebrands, B, Pirro, P
Format:	Artikel
Sprache:	eng
Schlagworte:	Backscattering Broken symmetry Dipoles Exchanging Immunity Magnetic thin films Magnons Protective coatings Surface defects Surface waves Tensors Thickness Thin films Topology
Online-Zugang:	Volltext
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