Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions
Abstract
The electronic reconstruction occurring at oxide interfaces may be the source of interesting device concepts for future oxide electronics. Among oxide devices, multiferroic tunnel junctions are being actively investigated as they offer the possibility to modulate the junction current by independently controlling the switching of the magnetization of the electrodes and of the ferroelectric polarization of the barrier. In this Letter, we show that the spin reconstruction at the interfaces of a La0.7Sr0.3MnO3/BaTiO3/La0.7Sr0.3MnO3 multiferroic tunnel junction is the origin of a spin filtering functionality that can be turned on and off by reversing the ferroelectric polarization. The ferroelectrically controlled interface spin filter enables a giant electrical modulation of the tunneling magnetoresistance between values of 10% and 1000%, which could inspire device concepts in oxides-based low dissipation spintronics.
- Authors:
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- Univ. Complutense Madrid (Spain)
- Hemholtz-Zentrum Berlin für Materialen und Energie, Berlin (Germany)
- Argonne National Lab. (ANL), Argonne, IL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Univ. of Paris-Saclay, Palaiseau (France)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Hemholtz-Zentrum Berlin für Materialen und Energie, Berlin (Germany); Ruhr Univ., Bochum (Germany)
- Hemholtz-Zentrum Berlin für Materialen und Energie, Berlin (Germany); Univ. of Regensburg (Germany)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Inst. de Ciencia de Materiales de Madrid (Spain); Universidad Complutense de Madrid (Spain)
- Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab. (RAL)
- Univ. Complutense Madrid (Spain); Unidad Asociada UCM/CSIC, Madrid (Spain)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1493725
- Alternate Identifier(s):
- OSTI ID: 1491619; OSTI ID: 1558466
- Grant/Contract Number:
- AC02-06CH11357; AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 122; Journal Issue: 3; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Tornos, J., Gallego, F., Valencia, S., Liu, Y. H., Rouco, V., Lauter, V., Abrudan, R., Luo, C., Ryll, H., Wang, Q., Hernandez-Martin, D., Orfila, G., Cabero, M., Cuellar, F., Arias, D., Mompean, F. J., Garcia-Hernandez, M., Radu, F., Charlton, T. R., Rivera-Calzada, A., Sefrioui, Z., te Velthuis, S. G. E., Leon, C., and Santamaria, J. Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions. United States: N. p., 2019.
Web. doi:10.1103/PhysRevLett.122.037601.
Tornos, J., Gallego, F., Valencia, S., Liu, Y. H., Rouco, V., Lauter, V., Abrudan, R., Luo, C., Ryll, H., Wang, Q., Hernandez-Martin, D., Orfila, G., Cabero, M., Cuellar, F., Arias, D., Mompean, F. J., Garcia-Hernandez, M., Radu, F., Charlton, T. R., Rivera-Calzada, A., Sefrioui, Z., te Velthuis, S. G. E., Leon, C., & Santamaria, J. Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions. United States. https://doi.org/10.1103/PhysRevLett.122.037601
Tornos, J., Gallego, F., Valencia, S., Liu, Y. H., Rouco, V., Lauter, V., Abrudan, R., Luo, C., Ryll, H., Wang, Q., Hernandez-Martin, D., Orfila, G., Cabero, M., Cuellar, F., Arias, D., Mompean, F. J., Garcia-Hernandez, M., Radu, F., Charlton, T. R., Rivera-Calzada, A., Sefrioui, Z., te Velthuis, S. G. E., Leon, C., and Santamaria, J. Tue .
"Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions". United States. https://doi.org/10.1103/PhysRevLett.122.037601. https://www.osti.gov/servlets/purl/1493725.
@article{osti_1493725,
title = {Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions},
author = {Tornos, J. and Gallego, F. and Valencia, S. and Liu, Y. H. and Rouco, V. and Lauter, V. and Abrudan, R. and Luo, C. and Ryll, H. and Wang, Q. and Hernandez-Martin, D. and Orfila, G. and Cabero, M. and Cuellar, F. and Arias, D. and Mompean, F. J. and Garcia-Hernandez, M. and Radu, F. and Charlton, T. R. and Rivera-Calzada, A. and Sefrioui, Z. and te Velthuis, S. G. E. and Leon, C. and Santamaria, J.},
abstractNote = {The electronic reconstruction occurring at oxide interfaces may be the source of interesting device concepts for future oxide electronics. Among oxide devices, multiferroic tunnel junctions are being actively investigated as they offer the possibility to modulate the junction current by independently controlling the switching of the magnetization of the electrodes and of the ferroelectric polarization of the barrier. In this Letter, we show that the spin reconstruction at the interfaces of a La0.7Sr0.3MnO3/BaTiO3/La0.7Sr0.3MnO3 multiferroic tunnel junction is the origin of a spin filtering functionality that can be turned on and off by reversing the ferroelectric polarization. The ferroelectrically controlled interface spin filter enables a giant electrical modulation of the tunneling magnetoresistance between values of 10% and 1000%, which could inspire device concepts in oxides-based low dissipation spintronics.},
doi = {10.1103/PhysRevLett.122.037601},
journal = {Physical Review Letters},
number = 3,
volume = 122,
place = {United States},
year = {Tue Jan 22 00:00:00 EST 2019},
month = {Tue Jan 22 00:00:00 EST 2019}
}
Web of Science
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