Measurements of long-wavelength spin waves for the magnetic field in the Damon-Eshbach, backward-volume and forward-volume geometries of an yttrium iron garnet film
Journal Article
·
· Journal of Applied Physics
- Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy; Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
- Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy
- The Hong Kong Univ. of Science and Technology (China). Dept. of Physics
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
- Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy. Dept. of Electrical and Computer Engineering
In this paper, we report systematic measurements of the dispersion of long wavelength spin waves for a wide range of wave vectors for the magnetic field along the three principal directions defining the forward volume, backward volume and Damon-Eshbach modes of a 9.72 μm thick film of an yttrium iron garnet obtained using lithographically patterned, multi-element, spatially resonant, antennas. Overall good agreement is found between the experimental data for the backward volume and Damon-Eshbach modes and the magnetostatic theory of Damon and Eshbach. Also, good agreement is found between the experimental data for the forward volume mode and the theory of Damon and van de Vaart.
- Research Organization:
- Northwestern Univ., Evanston, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC02-06CH11357; SC0014424
- OSTI ID:
- 1433914
- Alternate ID(s):
- OSTI ID: 1429138
- Journal Information:
- Journal of Applied Physics, Vol. 123, Issue 12; ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 4 works
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