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Physical Review Letters, volume 113, issue 5, publication number 057601

Spin Pumping and Spin-Transfer Torques in Antiferromagnets

Publication typeJournal Article
Publication date2014-07-29
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
Spin pumping and spin-transfer torques are two reciprocal phenomena widely studied in ferromagnetic materials. However, pumping from antiferromagnets and its relation to current-induced torques have not been explored. By calculating how electrons scatter off a normal metal-antiferromagnetic interface, we derive pumped spin and staggered spin currents in terms of the staggered field, the magnetization, and their rates of change. For both compensated and uncompensated interfaces, spin pumping is of a similar magnitude as in ferromagnets with a direction controlled by the polarization of the driving microwave. The pumped currents are connected to current-induced torques via Onsager reciprocity relations.

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GOST |
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GOST Copy
Cheng R. et al. Spin Pumping and Spin-Transfer Torques in Antiferromagnets // Physical Review Letters. 2014. Vol. 113. No. 5. 057601
GOST all authors (up to 50) Copy
Cheng R., Xiao J., Xiao J., NIU Q., Brataas A. Spin Pumping and Spin-Transfer Torques in Antiferromagnets // Physical Review Letters. 2014. Vol. 113. No. 5. 057601
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1103/physrevlett.113.057601
UR - https://doi.org/10.1103/physrevlett.113.057601
TI - Spin Pumping and Spin-Transfer Torques in Antiferromagnets
T2 - Physical Review Letters
AU - Xiao, Jiang
AU - NIU, QIAN
AU - Brataas, Arne
AU - Cheng, Ran
AU - Xiao, Jiang
PY - 2014
DA - 2014/07/29
PB - American Physical Society (APS)
IS - 5
VL - 113
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2014_Cheng,
author = {Jiang Xiao and QIAN NIU and Arne Brataas and Ran Cheng and Jiang Xiao},
title = {Spin Pumping and Spin-Transfer Torques in Antiferromagnets},
journal = {Physical Review Letters},
year = {2014},
volume = {113},
publisher = {American Physical Society (APS)},
month = {jul},
url = {https://doi.org/10.1103/physrevlett.113.057601},
number = {5},
doi = {10.1103/physrevlett.113.057601}
}
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