The complex permeability of ferromagnetic thin fllms is measured up to 10GHz by using shorted microstrip method combining with conformal mapping. The S-parameters are measured by vector network analyzer (VNA), and the efiect of the thin fllm placed both upwards and downwards in the flxture are investigated. The experimental results show that the complex permeability of the thin fllms is measured accurately from 500MHz to 10GHz, and loading the samples with thin fllm placed downwards can avoid the electromagnetic resonance efiectively.
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Wu et al. (2009) studied this question.
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