Nickel–manganese–gallium foams connected internally by sizeable single-crystalline elements provide magnetic-field-induced strains comparable to free-standing bulk single crystals, and demonstrate feasibility for the application of magnetic shape memory.
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Acet, M. Magnetoelastic sponges. Nature Mater 8, 854–855 (2009). https://doi.org/10.1038/nmat2551
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DOI: https://doi.org/10.1038/nmat2551
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Nature Materials (2009)