@article{81057a155a08427b8b63b013b08a35f3,
title = "Optical spin-orbit torque in heavy metal-ferromagnet heterostructures",
abstract = "Spin current generation through the spin-orbit interaction in non-magnetic materials lies at the heart of spintronics. When the generated spin current is injected to a ferromagnet, it produces spin-orbit torque and manipulates magnetization efficiently. Optically generated spin currents are expected to be superior to their electrical counterparts in terms of the manipulation speed. Here we report optical spin-orbit torques in heavy metal/ferromagnet heterostructures. The strong spin-orbit coupling of heavy metals induces photo-excited carriers to be spin-polarized, and their transport from heavy metals to ferromagnets induces a torque on magnetization. Our results demonstrate that heavy metals can generate spin-orbit torque not only electrically but also optically.",
author = "Choi, {Gyung Min} and Oh, {Jung Hyun} and Lee, {Dong Kyu} and Lee, {Seo Won} and Kim, {Kun Woo} and Mijin Lim and Min, {Byoung Chul} and Lee, {Kyung Jin} and Lee, {Hyun Woo}",
note = "Funding Information: G.M.C acknowledges the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (NRF-2019R1C1C1009199). K.J.L. acknowledges the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (NRF-2015M3D1A1070465) and the KIST Institutional Program (project no. 2V05750). H.W.L. acknowledges the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (NRF 2018R1A5A6075964). K.W.K. acknowledges the financial support from IBS (Project Code No. IBS-R024-D1). B.C.M. acknowledges the National Research Council of Science & Technology (NST) grant funded by the Korea government (MSIP) (CAP-16-01-KIST) and the KIST institutional program. Publisher Copyright: {\textcopyright} 2020, The Author(s).",
year = "2020",
month = dec,
day = "1",
doi = "10.1038/s41467-020-15247-3",
language = "English",
volume = "11",
journal = "Nature communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",
number = "1",
}