Giant spin-to-charge conversion at an all-epitaxial single-crystal-oxide Rashba interface with a strongly correlated metal interlayer

Shingo Kaneta-Takada; Miho Kitamura; Shoma Arai; Takuma Arai; Ryo Okano; Le Duc Anh; Tatsuro Endo; Koji Horiba; Hiroshi Kumigashira; Masaki Kobayashi; Munetoshi Seki; Hitoshi Tabata; Masaaki Tanaka; Shinobu Ohya

doi:10.1038/s41467-022-33350-5

Nature Communications (Sep 2022)

Giant spin-to-charge conversion at an all-epitaxial single-crystal-oxide Rashba interface with a strongly correlated metal interlayer

Shingo Kaneta-Takada,
Miho Kitamura,
Shoma Arai,
Takuma Arai,
Ryo Okano,
Le Duc Anh,
Tatsuro Endo,
Koji Horiba,
Hiroshi Kumigashira,
Masaki Kobayashi,
Munetoshi Seki,
Hitoshi Tabata,
Masaaki Tanaka,
Shinobu Ohya

Affiliations

Shingo Kaneta-Takada: Department of Electrical Engineering and Information Systems, The University of Tokyo
Miho Kitamura: Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
Shoma Arai: Department of Electrical Engineering and Information Systems, The University of Tokyo
Takuma Arai: Department of Electrical Engineering and Information Systems, The University of Tokyo
Ryo Okano: Department of Electrical Engineering and Information Systems, The University of Tokyo
Le Duc Anh: Department of Electrical Engineering and Information Systems, The University of Tokyo
Tatsuro Endo: Department of Electrical Engineering and Information Systems, The University of Tokyo
Koji Horiba: Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
Hiroshi Kumigashira: Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
Masaki Kobayashi: Department of Electrical Engineering and Information Systems, The University of Tokyo
Munetoshi Seki: Department of Electrical Engineering and Information Systems, The University of Tokyo
Hitoshi Tabata: Department of Electrical Engineering and Information Systems, The University of Tokyo
Masaaki Tanaka: Department of Electrical Engineering and Information Systems, The University of Tokyo
Shinobu Ohya: Department of Electrical Engineering and Information Systems, The University of Tokyo

DOI: https://doi.org/10.1038/s41467-022-33350-5
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

Read online

The interface between perovskite-oxide SrTiO3 and other oxides realizes efficient spin-to-charge current conversion; however, the typically insulating oxides hinder the propagation of spin-currents. Here the authors achieve a record efficiency by replacing an oxide insulator with a strongly-correlated polar metal.

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/

About the journal