Electric-field-induced reversible magnetic single-domain evolution in a magnetoelectric thin film

Tien-Kan Chung*, Scott Keller, Gregory P. Carman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

We report experimental results on a Ni-nanobar/lead zirconate titanate-film magnetoelectric device demonstrating control of a metastable magnetic single domain with an electric field due to the converse magnetoelectric effect (i.e., coupling of piezoelectric effect, mechanical coupling, and magnetostriction). The reversible single-domain evolution from an initial single-domain state to a transitional S-shape domain state with an electric field was experimentally observed with magnetic force microscopy. Upon removal of the electric field, the single domain reverts to its original domain configuration. These results confirm change of a single domain in the nanoscale magnetoelectric/multiferroic device is achievable and subsequent control of local magnetic field is possible.

Original languageEnglish
Article number132501
JournalApplied Physics Letters
Volume94
Issue number13
DOIs
StatePublished - 15 Apr 2009

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