Magnetic-Field-Induced Electric Polarization in Multiferroic Nanostructures
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- 20 May 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 94 (19) , 197203
- https://doi.org/10.1103/physrevlett.94.197203
Abstract
Magnetic-field-induced electric polarization in nanostructured multiferroic composite films was studied by using the Green’s function approach. The calculations showed that large magnetic-field-induced polarization could be produced in multiferroic nanostructures due to enhanced elastic coupling interaction. Especially, the 1-3 type films with ferromagnetic nanopillars embedded in a ferroelectric matrix exhibited large magnetic-field-induced polarization responses, while the 2-2 type films with ferroelectric and ferromagnetic nanolaminates showed much weaker magnetoelectric coupling and lower magnetic induced polarization due to large in-plane constraint effect, which was in agreement with the recent observations.Keywords
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