Journal
NANOSCALE
Volume 8, Issue 3, Pages 1309-1313Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr07410j
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Funding
- National Science Foundation [DMR-1056653]
- National Science Foundation (MRSEC) [DMR-1121107]
- State of North Carolina
- National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1056653] Funding Source: National Science Foundation
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We report selective and directional actuation of elastomer films utilizing magnetic anisotropy introduced by chains of Fe3O4 magnetic nanoparticles (MNPs). Under uniform magnetic fields or field gradients, dipolar interactions between the MNPs favor magnetization along the chain direction and cause selective lifting. This mechanism is described using a simple model.
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