Journal
ADVANCED MATERIALS
Volume 23, Issue 32, Pages 3674-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201100902
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Funding
- FPU fellowship program
- program Juan de la Cierva [JCI-2009-04192]
- MEC [FIS2010-21924C02]
- DURSI [2009SGR1055]
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A simple and general method to realize Janus paramagnetic micro-ellipsoids is demonstrated. We elongate liquefied spherical paramagnetic particles embedded in a thermoplastic thin film upon application of a mechanical stress and gather the magnetic doping of the particles by using an external high magnetic field gradient. The asymmetric location of the nanoscale superparamagnetic grains inside the anisotropic particles is confirmed by TEM, and by following the particle dynamics under a rotating magnetic field.
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