Ferromagnetic material and uses thereof

Abstract

This invention provides a ferromagnetic material. In one embodiment, said ferromagnetic material comprises: a) A hydrogel network comprising a pre-determined crosslinking density such that said hydrogel network can morph between a normal state and a second state, wherein said second state comprises a pre-determined shape resulting from said pre-determined crosslinking density; and b) Ferromagnetic particles entangled in said hydrogel network, wherein said ferromagnetic particles form uniformly oriented ferromagnetic domains in said second state; wherein said ferromagnetic material morphs from said normal state to said second state due to dipolar interaction when subjected to a suitable magnetic field.

Dependencies are inferred from the claim text.