Structure and interlayer coupling in Co/V multilayers
Zeitschrift für Physik B Condensed Matter(2014)
摘要
Two series of sputtered Co/V multilayers were investigated by X-ray diffraction, ferromagnetic resonance (FMR) and magnetic measurements. The multilayers are found severely alloyed, resulting in two FMR peaks of uniform mode. Spin-wave resonance (SWR) spectra were observed when the thickness of vanadium is thin, indicating interlayer coupling. The data of SWR were treated approximately respectively by volume inhomogeneity (VI) and volume homogeneity and entire surface pinning (SP) models. The relatively small calculated effective exchange constants showed weak exchange coupling between Co layers across V spacers.
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关键词
76.50.+g,75.30.Ds,75.70.Cn
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