DOI: 10.1063/1.4959958. Large spin-orbit torques in Pt/Co-Ni/W heterostructures

Large spin-orbit torques in Pt/Co-Ni/W heterostructures

10.1063/1.4959958

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

The spin orbit torques (SOTs) in perpendicularly magnetized Co-Ni multilayers sandwiched between two heavy metals (HM) have been studied. By exploring various HM materials, we show an efficient enhancement or cancellation of the total SOT, depending on the combination of the two HM materials. The maximum SOT effective field is obtained in Pt/Co-Ni/W heterostructures. We also model our double HM system and show that the effective spin Hall angle has a peak value at certain HM thicknesses. Measuring the SOT in Pt/Co-Ni/W for various W thicknesses confirms an effective spin Hall angle up to 0.45 in our double HM system.

Bibliography

Yu, J., Qiu, X., Legrand, W., & Yang, H. (2016). Large spin-orbit torques in Pt/Co-Ni/W heterostructures. Applied Physics Letters, 109(4).

Authors 4

Jiawei Yu (first)
Xuepeng Qiu (additional)
William Legrand (additional)
Hyunsoo Yang (additional)

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Dates

Type	When
Created	9 years, 1 month ago (July 26, 2016, 1 p.m.)
Deposited	2 years ago (July 31, 2023, 4:29 a.m.)
Indexed	1 month ago (July 30, 2025, 7:05 a.m.)
Issued	9 years, 1 month ago (July 25, 2016)
Published	9 years, 1 month ago (July 25, 2016)
Published Online	9 years, 1 month ago (July 26, 2016)
Published Print	9 years, 1 month ago (July 25, 2016)

Funders 1

National Research Foundation Singapore 10.13039/501100001381
Region: Asia
gov (National government)
Labels8
1. National Research Foundation-Prime Minister's office, Republic of Singapore
2. Singapore National Research Foundation
3. National Research Foundation of Singapore
4. National Research Foundation, Singapore
5. National Research Foundation, Singapore (NRF)
6. nrfsg
7. NRF Singapore
8. NRF
Awards1
1. NRF CRP12-2013-01

BibTeX

@article{Yu_2016, title={Large spin-orbit torques in Pt/Co-Ni/W heterostructures}, volume={109}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4959958}, DOI={10.1063/1.4959958}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Yu, Jiawei and Qiu, Xuepeng and Legrand, William and Yang, Hyunsoo}, year={2016}, month=jul }

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