Rashba Effect in Functional Spintronic Devices

Hyun Cheol Koo, Seong Been Kim, Hansung Kim, Tae Eon Park, Jun Woo Choi, Kyoung Whan Kim, Gyungchoon Go, Jung Hyun Oh, Dong Kyu Lee, Eun Sang Park, Ik Sun Hong, Kyung Jin Lee

Research output: Contribution to journalArticle

Abstract

Exploiting spin transport increases the functionality of electronic devices and enables such devices to overcome physical limitations related to speed and power. Utilizing the Rashba effect at the interface of heterostructures provides promising opportunities toward the development of high-performance devices because it enables electrical control of the spin information. Herein, the focus is mainly on progress related to the two most compelling devices that exploit the Rashba effect: spin transistors and spin–orbit torque devices. For spin field-effect transistors, the gate-voltage manipulation of the Rashba effect and subsequent control of the spin precession are discussed, including for all-electric spin field-effect transistors. For spin–orbit torque devices, recent theories and experiments on interface-generated spin current are discussed. The future directions of manipulating the Rashba effect to realize fully integrated spin logic and memory devices are also discussed.

Original languageEnglish
JournalAdvanced Materials
DOIs
Publication statusAccepted/In press - 2020

Keywords

  • Rashba effect
  • spin memory
  • spin precession
  • spin transistors
  • spin–orbit torque

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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