Spin-orbit-torque engineering via oxygen manipulation

Xuepeng Qiu, Kulothungasagaran Narayanapillai, Yang Wu, Praveen Deorani, Dong Hyuk Yang, Woo Suk Noh, Jae Hoon Park, Kyoung Jin Lee, Hyun Woo Lee, Hyunsoo Yang

Research output: Contribution to journalArticle

157 Citations (Scopus)

Abstract

Spin transfer torques allow the electrical manipulation of magnetization at room temperature, which is desirable in spintronic devices such as spin transfer torque memories. When combined with spin-orbit coupling, they give rise to spin-orbit torques, which are a more powerful tool for controlling magnetization and can enrich device functionalities. The engineering of spin-orbit torques, based mostly on the spin Hall effect, is being intensely pursued. Here, we report that the oxidation of spin-orbit-torque devices triggers a new mechanism of spin-orbit torque, which is about two times stronger than that based on the spin Hall effect. We thus introduce a way to engineer spin-orbit torques via oxygen manipulation. Combined with electrical gating of the oxygen level, our findings may also pave the way towards reconfigurable logic devices.

Original languageEnglish
Pages (from-to)333-338
Number of pages6
JournalNature Nanotechnology
Volume10
Issue number4
DOIs
Publication statusPublished - 2015 Apr 9

Fingerprint

Torque
Orbit
torque
manipulators
Orbits
engineering
Oxygen
orbits
oxygen
Spin Hall effect
Equipment and Supplies
Magnetization
Magnetoelectronics
Hall effect
Logic devices
magnetization
Data storage equipment
Engineers
engineers
Oxidation

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Qiu, X., Narayanapillai, K., Wu, Y., Deorani, P., Yang, D. H., Noh, W. S., ... Yang, H. (2015). Spin-orbit-torque engineering via oxygen manipulation. Nature Nanotechnology, 10(4), 333-338. https://doi.org/10.1038/nnano.2015.18

Spin-orbit-torque engineering via oxygen manipulation. / Qiu, Xuepeng; Narayanapillai, Kulothungasagaran; Wu, Yang; Deorani, Praveen; Yang, Dong Hyuk; Noh, Woo Suk; Park, Jae Hoon; Lee, Kyoung Jin; Lee, Hyun Woo; Yang, Hyunsoo.

In: Nature Nanotechnology, Vol. 10, No. 4, 09.04.2015, p. 333-338.

Research output: Contribution to journalArticle

Qiu, X, Narayanapillai, K, Wu, Y, Deorani, P, Yang, DH, Noh, WS, Park, JH, Lee, KJ, Lee, HW & Yang, H 2015, 'Spin-orbit-torque engineering via oxygen manipulation', Nature Nanotechnology, vol. 10, no. 4, pp. 333-338. https://doi.org/10.1038/nnano.2015.18
Qiu X, Narayanapillai K, Wu Y, Deorani P, Yang DH, Noh WS et al. Spin-orbit-torque engineering via oxygen manipulation. Nature Nanotechnology. 2015 Apr 9;10(4):333-338. https://doi.org/10.1038/nnano.2015.18
Qiu, Xuepeng ; Narayanapillai, Kulothungasagaran ; Wu, Yang ; Deorani, Praveen ; Yang, Dong Hyuk ; Noh, Woo Suk ; Park, Jae Hoon ; Lee, Kyoung Jin ; Lee, Hyun Woo ; Yang, Hyunsoo. / Spin-orbit-torque engineering via oxygen manipulation. In: Nature Nanotechnology. 2015 ; Vol. 10, No. 4. pp. 333-338.
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