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Title:
Reversible magnetic domain-wall motion under an electric field in a magnetoelectric thin film
Authors:
Chung, Tien-Kan; Carman, Gregory P.; Mohanchandra, Kotekar P.
Affiliation:
Department of Mechanical and Aerospace Engineering, University of California, Los Angeles (UCLA), California 90095-1597 USA
Publication:
Applied Physics Letters, Volume 92, Issue 11, id. 112509 (3 pages) (2008). (ApPhL Homepage)
Publication Date:
03/2008
Origin:
AIP
PACS Keywords:
Magnetic properties of monolayers and thin films, Domain structure, Magnetomechanical and magnetoelectric effects, magnetostriction, Dielectric thin films, Ferroelectricity and antiferroelectricity, Other ferromagnetic metals and alloys
Abstract Copyright:
(c) 2008: American Institute of Physics
DOI:
10.1063/1.2900886
Bibliographic Code:
2008ApPhL..92k2509C

Abstract

We report direct microscopic measurements that confirm the magnetic stripe-domain patterns can be reversibly changed under an electric field due to the converse magnetoelectric effect in a bilayer thin film ferromagnetic-Ni/ferroelectric-lead zirconate titanate (100 nm/1.28 μm) heterostructure. Electric field-induced curving, bending, branching, and elongation of magnetic stripe-domain patterns in the Ni layer are observed with the use of magnetic force microscopy. Upon removal of the electric field, the magnetic stripe-domain patterns return to their original configuration, i.e., reversible.
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Database: Astronomy
Physics
arXiv e-prints