Thin film magnetostrictive materials can be extremely useful as the active material in microactuators. In this article, some results on a novel type of multilayer structure which combines exchange coupled giant magnetostrictive materials and materials with large magnetic polarizations are presented for the first time. Giant magnetostrictions are achieved at low fields, due to the polarization enhancement in such multilayers. Therefore such composite materials should be much more appropriate for applications than the simple homogeneous alloy films studied up to now.
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Research Article| April 15 1997
Giant magnetostrictive spring magnet type multilayers
J. Appl. Phys. 81, 5420–5422 (1997)
E. Quandt, A. Ludwig, J. Betz, K. Mackay, D. Givord; Giant magnetostrictive spring magnet type multilayers. J. Appl. Phys. 15 April 1997; 81 (8): 5420–5422. https://doi.org/10.1063/1.364558
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