Ultrafast spin-to-charge conversion in antiferromagnetic (111)-oriented L12-Mn3Ir-Reference-Cited by-同舟云学术

Ultrafast spin-to-charge conversion in antiferromagnetic (111)-oriented L12-Mn3Ir

Published:2023-11-20 Issue:21 Volume:123 Page:
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:

Author:

Mao Huiling¹^ORCID,Sasaki Yuta²^ORCID,Kobayashi Yuta³^ORCID,Isogami Shinji²^ORCID,Ono Teruo³⁴^ORCID,Moriyama Takahiro⁵⁶^ORCID,Takahashi Yukiko K.²^ORCID,Yamada Kihiro T.¹^ORCID

Affiliation:

1. Department of Physics, Tokyo Institute of Technology 1 , Tokyo 152-8551, Japan

2. National Institute for Materials Science 2 , Tsukuba, Ibaraki 987-6543, Japan

3. Institute for Chemical Research, Kyoto University 3 , Uji, Kyoto 611-0011, Japan

4. Center for Spintronics Research Network, Institute for Chemical Research, Kyoto University 4 , Uji, Kyoto 611-0011, Japan

5. Department of Materials Physics, Nagoya University 5 , Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

6. PRESTO, Japan Science and Technology Agency 6 , Kawaguchi, Saitama 322-0012, Japan

Abstract

Antiferromagnetic L12-Mn3Ir combines outstanding spin-transport properties with magnons in the terahertz (THz) frequency range. However, the THz radiation emitted by ultrafast spin-to-charge conversion via the inverse spin Hall effect remains unexplored. In this study, we measured the THz emission and transmission of a Permalloy/(111)-oriented L12-Mn3Ir multilayer by THz time-domain spectroscopy. The spin Hall angle was determined to be approximately constant at 0.035 within a frequency range of 0.3–2.2 THz, in comparison with the THz spectroscopy of a Permalloy/Pt multilayer. Our results not only demonstrate the potential of L12-Mn3Ir as a spintronic THz emitter but also provide insights into the THz spin transport properties of L12-Mn3Ir.

Funder

Japan Society for the Promotion of Science

Sasakawa Scientific Research Grant

Core Research for Evolutional Science and Technology

Precursory Research for Embryonic Science and Technology

e Collaborative Research Program of the Institute for 155 Chemical Research

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

Link

https://pubs.aip.org/aip/apl/article-pdf/doi/10.1063/5.0168138/18218340/212401_1_5.0168138.pdf