Synthetic magnetoelectric coupling in a nanocomposite multiferroic
Abstract
Given the paucity of single phase multiferroic materials (with large ferromagnetic moment), composite systems seem an attractive solution to realize magnetoelectric coupling between ferromagnetic and ferroelectric order parameters. Despite having antiferromagnetic order, BiFeO3 (BFO) has nevertheless been a key material due to excellent ferroelectric properties at room temperature. We studied a superlattice composed of 8 repetitions of 6 unit cells of La0.7Sr0.3MnO3 (LSMO) grown on 5 unit cells of BFO. Significant net uncompensated magnetization in BFO, an insulating superlattice is demonstrated using polarized neutron reflectometry. Remarkably, the magnetization enables magnetic field to change the dielectric properties of the superlattice, which we cite as an example of synthetic magnetoelectric coupling. Finally, controlled creation of magnetic moment in BFO is a much needed path toward design and implementation of integrated oxide devices for next generation magnetoelectric data storage platforms.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Universidad Complutense de Madrid, Madrid (Spain)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Univ. of California at San Diego, La Jolla, CA (United States)
- Universidad Complutense de Madrid, Madrid (Spain); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1190438
- Alternate Identifier(s):
- OSTI ID: 1265330
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 5; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; thin films; oxides; magnetism; polarized neutron reflectometry; multiferroics; magnetoelectrics
Citation Formats
Jain, P., Wang, Q., Roldan, M., Glavic, A., Lauter, V., Urban, C., Bi, Z., Ahmed, T., Zhu, J., Varela, M., Jia, Q. X., and Fitzsimmons, M. R. Synthetic magnetoelectric coupling in a nanocomposite multiferroic. United States: N. p., 2015.
Web. doi:10.1038/srep09089.
Jain, P., Wang, Q., Roldan, M., Glavic, A., Lauter, V., Urban, C., Bi, Z., Ahmed, T., Zhu, J., Varela, M., Jia, Q. X., & Fitzsimmons, M. R. Synthetic magnetoelectric coupling in a nanocomposite multiferroic. United States. https://doi.org/10.1038/srep09089
Jain, P., Wang, Q., Roldan, M., Glavic, A., Lauter, V., Urban, C., Bi, Z., Ahmed, T., Zhu, J., Varela, M., Jia, Q. X., and Fitzsimmons, M. R. Fri .
"Synthetic magnetoelectric coupling in a nanocomposite multiferroic". United States. https://doi.org/10.1038/srep09089. https://www.osti.gov/servlets/purl/1190438.
@article{osti_1190438,
title = {Synthetic magnetoelectric coupling in a nanocomposite multiferroic},
author = {Jain, P. and Wang, Q. and Roldan, M. and Glavic, A. and Lauter, V. and Urban, C. and Bi, Z. and Ahmed, T. and Zhu, J. and Varela, M. and Jia, Q. X. and Fitzsimmons, M. R.},
abstractNote = {Given the paucity of single phase multiferroic materials (with large ferromagnetic moment), composite systems seem an attractive solution to realize magnetoelectric coupling between ferromagnetic and ferroelectric order parameters. Despite having antiferromagnetic order, BiFeO3 (BFO) has nevertheless been a key material due to excellent ferroelectric properties at room temperature. We studied a superlattice composed of 8 repetitions of 6 unit cells of La0.7Sr0.3MnO3 (LSMO) grown on 5 unit cells of BFO. Significant net uncompensated magnetization in BFO, an insulating superlattice is demonstrated using polarized neutron reflectometry. Remarkably, the magnetization enables magnetic field to change the dielectric properties of the superlattice, which we cite as an example of synthetic magnetoelectric coupling. Finally, controlled creation of magnetic moment in BFO is a much needed path toward design and implementation of integrated oxide devices for next generation magnetoelectric data storage platforms.},
doi = {10.1038/srep09089},
journal = {Scientific Reports},
number = ,
volume = 5,
place = {United States},
year = {Fri Mar 13 00:00:00 EDT 2015},
month = {Fri Mar 13 00:00:00 EDT 2015}
}
Web of Science
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