Recent Developments in Co-based Heusler alloys

doi:10.12442/j.issn.1002-185X.20220037

Home > Archive>Volume 53, Issue 5, 2024 >1471-1485. DOI:10.12442/j.issn.1002-185X.20220037

Recent Developments in Co-based Heusler alloys
DOI:
                        10.12442/j.issn.1002-185X.20220037
                    
Author:
                        XU Mingyang1XU Mingyang
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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LI Minghua1LI Minghua
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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ZHANG Yao1ZHANG Yao
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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LIU Peiqiao1LIU Peiqiao
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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LI Kuo1LI Kuo
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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WANG Dongwei2WANG Dongwei
CAS Key Laboratory of Standardization and Measurement for Nanotechnology,CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology
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YU Guanghua1YU Guanghua
University of Science and Technology Beijing,Department of Material Physics and Chemistry
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Affiliation:1.University of Science and Technology Beijing,Department of Material Physics and Chemistry;2.CAS Key Laboratory of Standardization and Measurement for Nanotechnology,CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology
Clc Number:O646
Fund Project:National Research Program of China (No.2019YFB1309900)and Beijing Natural Science Foundation(No.2182037)

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Abstract:

Co-based Heusler alloy is a kind of intermetallic compound with highly ordered crystal structure. Its chemical composition is usually expressed by Co2XY, where X is a transition metal element and Y is a main group element. Compared with other materials, it has higher spin polarizability, higher Curie temperature and lower damping factor. Based on these excellent characteristics, Co-based Heusler alloy has great application prospects in spin valves, tunnel junctions and semiconductor spin field effect transistors. This article reviews recent international studies on Co-based Heusler alloys on perpendicular magnetic anisotropy and spin-orbit torque. We summarized the influencing factors of perpendicular magnetic anisotropy and spin-orbit torque from the aspects of alloy composition, microstructure, magnetic layer thickness, buffer layer material, oxide layer material, element diffusion, etc. Which will help us better understand its deep-seated physical mechanism, as well as the challenges and prospects in future research.

Key words:Co-based;Heusler alloy, perpendicular magnetic anisotropy, spin-orbit torque, the influencing factors

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[XU Mingyang, LI Minghua, ZHANG Yao, LIU Peiqiao, LI Kuo, WANG Dongwei, YU Guanghua. Recent Developments in Co-based Heusler alloys[J]. Rare Metal Materials and Engineering,2024,53(5):1471~1485.]
DOI：10.12442/j. issn.1002-185X.20220037

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Received:January 15,2022
Revised:September 09,2023
Adopted:November 30,2023
Online: May 28,2024
Published: May 22,2024

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