FeSi/IrMn Exchange Coupled Multilayer Film with Plural FMR Absorption
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概要
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FeSi/IrMn exchange-coupled multilayer films for wideband noise filter were fabricated andevaluated. The FeSi film had a high saturation magnetization of 19 kG and a low magnetostriction of the order of 10-⁶. Since the exchange bias magneticfield is introduced to the ferromagnetic FeSi layers by FeSi/lrMn exchange coupling, higher ferromagnetic resonance (FMR) frequency wasobtained. In addition, the FeSi/lrMn exchange-coupled multilayer film with different thickness in each FeSi layer exhibited the plural FMRs. The plural FMRs mean the wideband energy absorption, and enable to apply to thin film material with wideband noise absorption for wideband noise filterused in GHz frequency range.
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日本ＭＲＳ | 論文
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