Spin–torque generator engineered by natural oxidation of Cu

In thin film spintronic devices, heavy metals with strong spin-orbit coupling are required to achieve a sizeable spin Hall effect. Here, the authors demonstrate an enhancement of the spin Hall effect in Cu, a material with weak spin-orbit coupling, via natural oxidation.

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Bibliographic Details
Main Authors: Hongyu An, Yuito Kageyama, Yusuke Kanno, Nagisa Enishi, Kazuya Ando
Format: article
Language:EN
Published: Nature Portfolio 2016
Subjects:
Q
Online Access:https://doaj.org/article/87819b5ad54f4c69bcf04d4aa796b4c5
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Description
Summary:In thin film spintronic devices, heavy metals with strong spin-orbit coupling are required to achieve a sizeable spin Hall effect. Here, the authors demonstrate an enhancement of the spin Hall effect in Cu, a material with weak spin-orbit coupling, via natural oxidation.