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Title:
STORAGE ELEMENT, STORAGE DEVICE, AND MAGNETIC HEAD
Document Type and Number:
WIPO Patent Application WO/2014/050380
Kind Code:
A1
Abstract:
Provided are a storage element for which TMR characteristics can be improved, a storage device equipped with the storage element, and a magnetic head. The storage element has a layer structure including a storage layer in which the magnetization direction is changed in response to information, a magnetization fixed layer which has magnetization orthogonal to the film surface as a reference for 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. Carbon is inserted into the intermediate layer and a current is supplied in the stacking direction of the layer structure so that the magnetization direction of the storage layer is changed to record information in the storage layer.

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Inventors:
UCHIDA HIROYUKI (JP)
HOSOMI MASANORI (JP)
OHMORI HIROYUKI (JP)
BESSHO KAZUHIRO (JP)
HIGO YUTAKA (JP)
ASAYAMA TETSUYA (JP)
YAMANE KAZUTAKA (JP)
Application Number:
PCT/JP2013/072389
Publication Date:
April 03, 2014
Filing Date:
August 22, 2013
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
H01L21/8246; G11B5/39; H01L27/105; H01L43/08; H01L43/10
Foreign References:
JP2008085170A2008-04-10
JP2001257395A2001-09-21
JP2006319234A2006-11-24
JP2003017782A2003-01-17
US6256223B12001-07-03
JP2008227388A2008-09-25
Other References:
PHYSICAL REVIEW B, vol. 54, 1996, pages 9353
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, vol. 159, 1996, pages L1
NATURE MATERIALS, vol. 5, 2006, pages 210
See also references of EP 2903020A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Patent business corporation wings international patent firm (JP)
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