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Title: Reversible Control of Interfacial Magnetism through Ionic-Liquid-Assisted Polarization Switching

Abstract

The ability to control magnetism of materials via electric field enables a myriad of technological innovations in information storage, sensing, and computing. In this paper, we use ionic-liquid-assisted ferroelectric switching to demonstrate reversible modulation of interfacial magnetism in a multiferroic heterostructure composed of ferromagnetic (FM) La 0.8Sr 0.2MnO 3 and ferroelectric (FE) PbZr 0.2Ti 0.8O 3. It is shown that ionic liquids can be used to persistently and reversibly switch a large area of a FE film. Finally, this is a prerequisite for polarized neutron reflectometry (PNR) studies that are conducted to directly probe magnetoelectric coupling of the FE polarization to the interfacial magnetization.

Authors:
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Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1343529
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nano Letters
Additional Journal Information:
Journal Volume: 17; Journal Issue: 3; Journal ID: ISSN 1530-6984
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ferroelectric field effect; ionic liquid gating; Magnetoelectric coupling; polarized neutron reflectometry; strongly correlated oxide

Citation Formats

Herklotz, Andreas, Guo, Er-Jia, Wong, Anthony T., Meyer, Tricia L., Dai, Sheng, Ward, T. Zac, Lee, Ho Nyung, and Fitzsimmons, Michael R. Reversible Control of Interfacial Magnetism through Ionic-Liquid-Assisted Polarization Switching. United States: N. p., 2017. Web. doi:10.1021/acs.nanolett.6b04949.
Herklotz, Andreas, Guo, Er-Jia, Wong, Anthony T., Meyer, Tricia L., Dai, Sheng, Ward, T. Zac, Lee, Ho Nyung, & Fitzsimmons, Michael R. Reversible Control of Interfacial Magnetism through Ionic-Liquid-Assisted Polarization Switching. United States. doi:10.1021/acs.nanolett.6b04949.
Herklotz, Andreas, Guo, Er-Jia, Wong, Anthony T., Meyer, Tricia L., Dai, Sheng, Ward, T. Zac, Lee, Ho Nyung, and Fitzsimmons, Michael R. Mon . "Reversible Control of Interfacial Magnetism through Ionic-Liquid-Assisted Polarization Switching". United States. doi:10.1021/acs.nanolett.6b04949. https://www.osti.gov/servlets/purl/1343529.
@article{osti_1343529,
title = {Reversible Control of Interfacial Magnetism through Ionic-Liquid-Assisted Polarization Switching},
author = {Herklotz, Andreas and Guo, Er-Jia and Wong, Anthony T. and Meyer, Tricia L. and Dai, Sheng and Ward, T. Zac and Lee, Ho Nyung and Fitzsimmons, Michael R.},
abstractNote = {The ability to control magnetism of materials via electric field enables a myriad of technological innovations in information storage, sensing, and computing. In this paper, we use ionic-liquid-assisted ferroelectric switching to demonstrate reversible modulation of interfacial magnetism in a multiferroic heterostructure composed of ferromagnetic (FM) La0.8Sr0.2MnO3 and ferroelectric (FE) PbZr0.2Ti0.8O3. It is shown that ionic liquids can be used to persistently and reversibly switch a large area of a FE film. Finally, this is a prerequisite for polarized neutron reflectometry (PNR) studies that are conducted to directly probe magnetoelectric coupling of the FE polarization to the interfacial magnetization.},
doi = {10.1021/acs.nanolett.6b04949},
journal = {Nano Letters},
number = 3,
volume = 17,
place = {United States},
year = {Mon Feb 06 00:00:00 EST 2017},
month = {Mon Feb 06 00:00:00 EST 2017}
}

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