Journal
MRS BULLETIN
Volume 47, Issue 6, Pages 593-599Publisher
SPRINGER HEIDELBERG
DOI: 10.1557/s43577-022-00350-1
Keywords
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Funding
- EPSRC [EP/I000933/1, EP/K03278X/1, EP/M02458X/1, EP/V007211/1]
- JST CREST [JPMJCR17J5]
- JST-EC DG RTD Coordinated research project [FP7-NMP3-SL-2013-604398]
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Heusler alloys, with their half-metallicity at room temperature, have been identified as ideal spin sources. They exhibit low Gilbert damping constants and low switching current density, enabling fast magnetization reversal. Additionally, Heusler alloys can be used for spin-orbit torque and have a wide range of applications.
Heusler alloys have been theoretically predicted and experimentally demonstrated to be an ideal spin source due to their half-metallicity at room temperature. The half-metallicity also offers low Gilbert damping constants for fast magnetization reversal with low switching current density. These intrinsic properties can offer better operationability in spin-transfer-torque-based devices. In addition spin-orbit torque can be exerted using Heusler alloys for spin Hall and caloritronic effects. These properties can be precisely controlled by substituting the constituent elements in a Heusler alloy. We review the recent development on these spintronic devices and summarize their future perspectives.
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