Junction size dependence of the heat controlled magnetic anisotropy in magnetic tunnel junctions-Reference-Cited by-同舟云学术

Junction size dependence of the heat controlled magnetic anisotropy in magnetic tunnel junctions

Published:2021-12-15 Issue:1 Volume:15 Page:013001
ISSN:1882-0778
Container-title:Applied Physics Express
language:
Short-container-title:Appl. Phys. Express

Author:

Goto Minori^ORCID,Kobayashi Reika,Okuno Ryota,Mizuno Tomohito,Yamane Takekazu,Degawa Naomichi,Suzuki Tsuyoshi,Shimura Atsushi,Aoki Susumu,Urabe Junichiro,Hara Shinji,Nomura Hikaru,Suzuki Yoshishige

Abstract

Abstract We investigated the heat controlled magnetic anisotropy (HCMA) in magnetic tunnel junctions with various junction sizes. We evaluated the HCMA from perpendicular magnetic anisotropy under a direct current voltage measured by the spin-torque diode technique. The maximum HCMA magnitude of 5.4 μJ (Wm)−1 was observed, and the HCMA increased with increasing diameter. Our results can be explained by a simple heat dissipation model and suggest that the in-plane heat current affects HCMA.

Funder

Japan Society for the Promotion of Science

Publisher

IOP Publishing

Subject

General Physics and Astronomy,General Engineering

Link

https://iopscience.iop.org/article/10.35848/1882-0786/ac3faf/pdf

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