Ferrimagnetic Heusler compounds with high spin polarization

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United States of America Patent

PATENT NO 11756578
APP PUB NO 20220262555A1
SERIAL NO

17318998

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Abstract

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A magnetic device and method for providing the magnetic device are disclosed. The magnetic device includes a multilayer structure and a magnetic layer. The multilayer structure includes alternating layers of A and E. A includes a first material. The first material includes at least one of Co, Ru, or Ir. The first material may include an IrCo alloy. E includes at least one other material that includes Al. The other material(s) may include an alloy selected from AlGa, AlSn, AlGe, AlGaGe, AlGaSn, AlGeSn, and AlGaGeSn. A composition of the multilayer structure is represented by A1-xEx, where x is at least 0.45 and not more than 0.55. The magnetic layer includes an Al-doped Heusler compound. The magnetic layer shares an interface with the multilayer structure.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504
SAMSUNG ELECTRONICS CO LTDSUWON-SI GYEONGGI-DO 16677

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faleev, Sergey San Jose, US 5 2
Ferrante, Yari San Jose, US 15 50
Filippou, Panagiotis Charilaos San Jose, US 21 30
Jeong, Jaewoo San Jose, US 70 478
Parkin, Stuart Stephen Papworth San Jose, US 70 4585
Samant, Mahesh San Jose, US 17 68

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