Journal
JOURNAL OF APPLIED PHYSICS
Volume 95, Issue 10, Pages 5646-5652Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1697641
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The high-frequency magnetic response of Permalloy thin films have been measured using network-analyzer ferromagnetic resonance. We demonstrate that the excitation of spin waves by the coplanar wave-guide modify the magnetic response appreciably, in particular, by causing a frequency shift and broadening of the resonance peak. An analytic theory is presented to account for the experimental observations and provides a quantitative tool to accurately determine the Gilbert damping constant. (C) 2004 American Institute of Physics.
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