Interaction of microwaves with ring domains in magnetic garnet films
- 1 May 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 24 (9) , 442-444
- https://doi.org/10.1063/1.1655253
Abstract
Magnetic bubble and ring domains are generated in LPE garnet films by locally exciting spin precession near the ferrimagentic resonance frequency at high microwave power densities. Due to the spin precession, radial and azimuthal forces act on the bubbles. The radii of the ring domains vary with the microwave power and the bias field. The stability range of these domains extends over a bias field range of about 0.18 times 4πMs. The dynamic behavior of the ring domains could be studied by amplitude modulation of the microwaves.Keywords
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