Advanced double coated metal particle tapes studied by Mossbauer spectroscopy and magnetic measurements
Samples from a new generation of metal particle tapes have been analysed by Mossbauer spectroscopy and magnetic measurements. The Mössbauer results show the presence of both metallic α-Fe(Co) fine particles and a very important fraction of iron oxide. An out-of-plane distribution of the Fe spins within a mean angle of around 26° has been evidenced by Mössbauer spectroscopy, in acceptable agreement with the magnetic data. The spin dispersion seems to be related especially to dynamical effects.
Keywordsmetallic nanoparticles magnetic tapes phase and spin distribution Mössbauer spectroscopy
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