Dynamic Response in a Finite Size Composite Multiferroic Thin Film

Composite multiferroics, heterostructures of ferromagnetic (FM) and ferroelectric (FE) materials, are characterized by a remarkable magnetoelectric effect at the interface. Previous work has supported the ferromagnetic structure with magnetic spins and the ferroelectric with pseudospins which act as...

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Bibliographic Details
Published in:arXiv.org 2016-03
Main Authors: Wang, Zidong, Grimson, Malcolm J
Format: Article
Language:English
Subjects:
Boundary conditions
Domain walls
Dynamic response
Electric dipoles
Electric fields
Ferroelectric materials
Ferroelectricity
Ferromagnetic materials
Heterostructures
Multiferroic materials
Thin films
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Summary:Composite multiferroics, heterostructures of ferromagnetic (FM) and ferroelectric (FE) materials, are characterized by a remarkable magnetoelectric effect at the interface. Previous work has supported the ferromagnetic structure with magnetic spins and the ferroelectric with pseudospins which act as electric dipoles in a microscopic model, coupled with a magnetoelectric interaction [J. Appl. Phys. 118, 124109 (2015)]. In this work, by solving the stochastic Landau-Lifshitz-Gilbert equation, the electric-field-induced magnetization switching in a twisted boundary condition has been studied, and a behavior of domain wall in the ferromagnetic structure is discussed.
ISSN:2331-8422
DOI:10.48550/arxiv.1511.01982