2024-03-28T17:36:54Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2181332022-10-13T10:58:15Zcom_10261_89com_10261_3col_10261_342
DIGITAL.CSIC
author
Tornos, J.
author
Gallego, F.
author
Valencia, S.
author
Liu, Y.H.
author
Rouco, V.
author
Lauter, V.
author
Abrudan, R.
author
Luo, C.
author
Ryll, H.
author
Wang, Q.
author
Hernandez-Martin, D.
author
Orfila, G.
author
Cabero, M.
author
Cuellar, Fabián A.
author
Arias, D.
author
Mompean, F. J.
author
García-Hernández, M.
author
Radu, F.
author
Charlton, T.R.
author
Rivera-Calzada, A.
author
Sefrioui, Z.
author
Te Velthuis, S.G.E.
author
León, Carlos
author
Santamaría, Jacobo
funder
European Commission
funder
Ministerio de Economía y Competitividad (España)
funder
Ministerio de Ciencia, Innovación y Universidades (España)
funder
Comunidad de Madrid
2020-08-18T09:20:42Z
2020-08-18T09:20:42Z
2019
Physical Review Letters 122 (2019)
http://hdl.handle.net/10261/218133
10.1103/PhysRevLett.122.037601
http://dx.doi.org/10.13039/100012818http://dx.doi.org/10.13039/501100000780http://dx.doi.org/10.13039/501100003329
[EN] 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.
openAccess
La0.7Sr0.3MnO3
BaTiO3
La0.7Sr0.3MnO3
Ferroelectric Control of Interface Spin Filtering in Multiferroic Tunnel Junctions
artículo
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URL
https://digital.csic.es/bitstream/10261/218133/1/Tornos_Ferroelectric_PhysRevLett.122.037601.pdf
File
MD5
4975d00042b4e6eaee1dc7ebf22b8912
663891
application/pdf
Tornos_Ferroelectric_PhysRevLett.122.037601.pdf