Liquid-crystalline elastomer-nanoparticle hybrids with reversible switch of magnetic memory.
basic_science · Level V
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- Record sourced from PubMed, PMID 23359417.
- Also identified by DOI 10.1002/adma.201204406.
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Abstract
A stimuli-responsive material is synthesized that combines the actuation potential of liquid-crystalline elastomers with the anisotropic magnetic properties of ellipsoidal iron oxide nanoparticles. The resulting nanocomposite exhibits unique shape-memory features with magnetic information, which can be reversibly stored and erased via parameters typical of soft materials, such as high deformations, low stresses, and liquid-crystalline smectic-isotropic transition temperatures.