Generating wave vector specific Damon-Eshbach spin waves in Py using a diffraction grating

J. Sklenar*, V. S. Bhat, C. C. Tsai, L. E. Delong, J. B. Ketterson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A patterned square silver antidot lattice on a thin uniform permalloy film facilitates direct coupling of a quasi-uniform microwave field to short wavelength magnetic modes. The resulting modes are studied as a function of both the magnitude and orientation (relative to the symmetry axes of the array) of an in-plane, external DC magnetic field. The observed modes are identified as surface spin waves with wavelengths matching the Fourier components of the silver array.

Original languageEnglish (US)
Article number052404
JournalApplied Physics Letters
Volume101
Issue number5
DOIs
StatePublished - Jul 30 2012

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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