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Structural Investigation Of TbCo2/Fe Magnetostrictive Thin Films By Tomographic Atom Probe And Mössbauer Spectrometry
Published 2007 · Materials Science
Abstract Sputtered TbCo 2 /Fe magnetostrictive multilayers have been deposited on both island posts and flat substrates and analysed by laser-assisted tomographic atom probe and 57 Fe Mossbauer spectrometry. The three-dimensional reconstructions of the layers were obtained, allowing the analysis of the interfaces. Differences are revealed, as the Fe-on-TbCo 2 interface is thinner than the TbCo 2 -on-Fe interface. This effect is attributed to Fe/Co interdiffusion, controlled by the establishment of the Tb layer. Fe layers are well crystallized.