期刊
APPLIED PHYSICS LETTERS
卷 100, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3700809
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-
资金
- DFG [SFB 688]
We experimentally realized rolled-up permalloy stripes to form three-dimensional ring-like ferromagnetic structures. By means of microwave absorption spectroscopy, we find multiple resonances occurring above a demagnetization field threshold which depends on the ring's axial width. Our experimental data can be well modeled by assuming both axial and azimuthal spin-wave confinement. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3700809]
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