High frequency ferromagnetic resonance measurements in magnetic fluids
作者： P.C. Fannin , B.K.P. Scaife , A.T. Giannitsis , C. Mac Oireachtaigh
DOI: 10.1016/J.JMMM.2004.11.046
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摘要: Abstract Measurement of the frequency and field-dependent, complex susceptibility, χ ( ω , H ) magnetic fluids is a proven method for investigating resonant dynamic properties fluids. Here we demonstrate how, parameters, such as anisotropy constant, K precessional decay time, τ o gyromagnetic γ can be obtained by plotting data at constant variable field in Cole–Cole format then fitting plots to equations Landau Lifshitz.
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