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Improving magnetoelectric contactless sensing and actuation through anisotropic nanostructures

  • Journal of Physical Chemistry C, (In Press), 2018

Publisher: American Chemical Society

Abstract

Flexible polymer based magnetoelectric (ME) materials are developed based on novel CoFO nanoellipsoids and poly[(vinylidenefluoride-co-trifluoroethylene] [P(VDF-TrFE)]. The synthesized non-cytotoxic CoFO nanoellipsoids (270 nmx50nm) show high magnetization, ≈170 emu.g-1, high magnetostriction, ≈300 ppm, and magnetic anisotropy that, coupled to the piezoelectric response of P(VDF-TrFE), |d33|=22±1 pC.N-1, lead to an interfacial ME coupling (α) of 1.50 mV.cm-1.Oe-1. Further, nanoellipsoids orientation within the polymer matrix allow an anisotropic ME response of the CoFO/P(VDF-TrFE) composite. S ...

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