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Rafael González‐Hernández, Libor Šmejkal, Karel Výborný, Yuta Yahagi, Jairo Sinova, Tomas Jungwirth, Jakub Železný
Spin-current generation by electrical means is among the core phenomena driving the field of spintronics. Using ab initio calculations we show that a room-temperature metallic collinear antiferromagnet RuO_{2} allows for highly efficient spin-current generation, arising from anisotropically spin-split bands with conserved up and down spins along the Néel vector axis. The zero net moment antiferromagnet acts as an electrical spin splitter with a 34° propagation angle between spin-up and spin-down currents. The corresponding spin conductivity is a factor of 3 larger than the record value from a survey of 20 000 nonmagnetic spin-Hall materials. We propose a versatile spin-splitter-torque concept circumventing limitations of spin-transfer and spin-orbit torques in present magnetic memory devices.
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González‐Hernández, R., Šmejkal, L., Výborný, K., Yahagi, Y., Sinova, J., Jungwirth, T., & Železný, J. (2021). Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism. Physical Review Letters, 126(12), 127701. https://doi.org/10.1103/physrevlett.126.127701
González‐Hernández, Rafael, et al. "Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism." Physical Review Letters, vol. 126, no. 12, 2021, pp. 127701, https://doi.org/10.1103/physrevlett.126.127701.
González‐Hernández, Rafael, Libor Šmejkal, Karel Výborný, Yuta Yahagi, Jairo Sinova, Tomas Jungwirth, and Jakub Železný. "Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism." Physical Review Letters 126, no. 12 (2021): 127701. https://doi.org/10.1103/physrevlett.126.127701.
González‐Hernández R., Šmejkal L., Výborný K. [и др.] Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism // Physical Review Letters. — 2021. — Vol. 126, № 12. — P. 127701. — URL: https://doi.org/10.1103/physrevlett.126.127701
@article{gonzalezhernandez2021efficient,
title = {{Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism}},
author = {Rafael González‐Hernández and Libor Šmejkal and Karel Výborný and Yuta Yahagi and Jairo Sinova and Tomas Jungwirth and Jakub Železný},
journal = {Physical Review Letters},
year = {2021},
volume = {126},
number = {12},
pages = {127701},
doi = {10.1103/physrevlett.126.127701},
url = {https://doi.org/10.1103/physrevlett.126.127701}
}TY - JOUR AU - González‐Hernández, Rafael AU - Šmejkal, Libor AU - Výborný, Karel AU - Yahagi, Yuta AU - Sinova, Jairo AU - Jungwirth, Tomas AU - Železný, Jakub TI - Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism JO - Physical Review Letters VL - 126 IS - 12 SP - 127701 PY - 2021 DA - 2021/03/26 DO - 10.1103/physrevlett.126.127701 UR - https://doi.org/10.1103/physrevlett.126.127701 ER -
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