Journal
ADVANCED MATERIALS
Volume 31, Issue 2, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201805361
Keywords
ferrimagnetic; Heusler alloys; magnetic switching; spin-torque; spintronics
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Funding
- Taiwan Semiconductor Manufacturing Company Limited
- National Science foundation [DMR 14-19807]
- Air Force Office of Scientific Research [FA9550-7-1-0213]
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Ferrimagnetic materials combine the advantages of the low magnetic moment of an antiferromagnet and the ease of realizing magnetic reading of a ferromagnet. Recently, it was demonstrated that compensated ferrimagnetic half metals can be realized in Heusler alloys, where high spin polarization, zero magnetic moment, and low magnetic damping can be achieved at the same time. In this work, by studying the spin-orbit torque induced switching in the Heusler alloy Mn2Ru1-xGa, it is found that efficient current-induced magnetic switching can be realized in a nearly compensated sample with strong perpendicular anisotropy and large film thickness. This work demonstrates the possibility of employing compensated Heusler alloys for fast, energy-efficient spintronic devices.
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