More than the sum of its parts: A simple synthetic procedure yields a bimodal nanosponge based on FePt cores and ZnS branches (see picture). Sequential addition of sulfur and Zn(acac)2 into a colloidal solution of FePt nanoparticles (≈2.5 nm) provides a template-free route to a spongelike nanonetwork. Besides preserving the original properties of the building blocks, the nanosponge exhibits magnetoresistance effects.
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Gu et al. (2005) studied this question.
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