Electric-field control of field-free spin-orbit torque switching via laterally modulated Rashba effect in Pt/Co/AlOx structures

Min-Gu Kang; Jong-Guk Choi; Jimin Jeong; Jae Yeol Park; Hyeon-Jong Park; Taehwan Kim; Taekhyeon Lee; Kab-Jin Kim; Kyoung-Whan Kim; Jung Hyun Oh; Duc Duong Viet; Jong-Ryul Jeong; Jong Min Yuk; Jongsun Park; Kyung-Jin Lee; Byong-Guk Park

doi:10.1038/s41467-021-27459-2

Nature Communications (Dec 2021)

Electric-field control of field-free spin-orbit torque switching via laterally modulated Rashba effect in Pt/Co/AlOx structures

Min-Gu Kang,
Jong-Guk Choi,
Jimin Jeong,
Jae Yeol Park,
Hyeon-Jong Park,
Taehwan Kim,
Taekhyeon Lee,
Kab-Jin Kim,
Kyoung-Whan Kim,
Jung Hyun Oh,
Duc Duong Viet,
Jong-Ryul Jeong,
Jong Min Yuk,
Jongsun Park,
Kyung-Jin Lee,
Byong-Guk Park

Affiliations

Min-Gu Kang: Department of Materials Science and Engineering, KAIST
Jong-Guk Choi: Department of Materials Science and Engineering, KAIST
Jimin Jeong: Department of Materials Science and Engineering, KAIST
Jae Yeol Park: Department of Materials Science and Engineering, KAIST
Hyeon-Jong Park: KU-KIST Graduate School of Converging Science and Technology, Korea University
Taehwan Kim: School of Electrical Engineering, Korea University
Taekhyeon Lee: Department of Physics, KAIST
Kab-Jin Kim: Department of Physics, KAIST
Kyoung-Whan Kim: Center for Spintronics, Korea Institute of Science and Technology
Jung Hyun Oh: Department of Materials Science and Engineering, Korea University
Duc Duong Viet: Department of Materials Science and Engineering, Chungnam National University
Jong-Ryul Jeong: Department of Materials Science and Engineering, Chungnam National University
Jong Min Yuk: Department of Materials Science and Engineering, KAIST
Jongsun Park: School of Electrical Engineering, Korea University
Kyung-Jin Lee: Department of Physics, KAIST
Byong-Guk Park: Department of Materials Science and Engineering, KAIST

DOI: https://doi.org/10.1038/s41467-021-27459-2
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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A major challenge for spin based electronics is the electrical control of magnetization. Here, Kang et al demonstrate how electric field control of the Rashba effect in a Pt/Co/AlOx can enable control of the spin-orbit torque and allow for field free switching of the magnetization.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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