Magnetic-Field-Induced Electric Polarization in Multiferroic Nanostructures

Ce-Wen Nan, Gang Liu, Yuanhua Lin, and Haydn Chen

Phys. Rev. Lett. 94, 197203 – Published 20 May 2005

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.

Received 2 July 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.197203

Authors & Affiliations

Ce-Wen Nan, Gang Liu, and Yuanhua Lin

State Key Laboratory of New Ceramics and Fine Processing, and Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Haydn Chen