STORAGE ELEMENT, STORAGE DEVICE, AND MAGNETIC HEAD

WIPO Patent Application WO/2014/050379

A1

Provided are a storage element capable of adjusting the magnetic characteristics of a magnetization fixed layer, and a storage device and a magnetic head equipped with the storage element. The storage element has a layer structure including an underlayer, a storage layer in which the magnetization direction is changed in response to information, a magnetization fixed layer which is formed above the underlayer and has magnetization orthogonal to the film surface as the reference of the information stored in the storage layer, and an intermediate layer which is provided between the storage layer and the magnetization fixed layer and is made of a nonmagnetic material. The underlayer has a laminate structure constituted by ruthenium and a nonmagnetic material having a face-centered cubic lattice, and the ruthenium is formed at the part adjacent to the magnetization fixed layer.

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UCHIDA HIROYUKI (JP)
HOSOMI MASANORI (JP)
OHMORI HIROYUKI (JP)
BESSHO KAZUHIRO (JP)
HIGO YUTAKA (JP)
ASAYAMA TETSUYA (JP)
YAMANE KAZUTAKA (JP)

PCT/JP2013/072388

April 03, 2014

August 22, 2013

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SONY CORP (JP)

H01L43/08; G11B5/39; H01L21/8246; H01L27/105; H01L29/82; H01L43/10

JP2012043967A	2012-03-01
JP2011003869A	2011-01-06
JP2013175680A	2013-09-05

TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Patent business corporation wings international patent firm (JP)

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