Volume 108, Number 6, December 2014
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||18 December 2014|
Dynamical systems study in single-phase multiferroic materials
School of Applied and Engineering Physics, Cornell University - Ithaca, NY 14853, USA
Received: 24 September 2014
Accepted: 28 November 2014
Electric-field–induced magnetization switching in single phase multiferroic materials is intriguing for both fundamental studies and potential technological applications. Here we develop a framework to study the switching dynamics of coupled polarization and magnetization in such multiferroic materials. With the coupling term between the polarization and magnetization as an invariant dictated by the Dzyaloshinsky-Moriya vector, the dynamical systems study reveals switching failures and oscillatory mode of magnetization if the polarization and magnetization relax slowly during switching.
PACS: 75.78.-n – Magnetization dynamics / 75.85.+t – Magnetoelectric effects, multiferroics / 84.30.Ng – Oscillators, pulse generators, and function generators
© EPLA, 2014
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