发明申请
- 专利标题: MAGNETORESISTIVE DEVICE AND MAGNETIC RANDOM ACCESS MEMORY
- 专利标题(中): 磁性器件和磁性随机存取存储器
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申请号: US12715699申请日: 2010-03-02
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公开(公告)号: US20100238717A1公开(公告)日: 2010-09-23
- 发明人: Masahiko NAKAYAMA , Hiroaki Yoda , Tadashi Kai , Hisanori Aikawa , Katsuya Nishiyama , Jyunichi Ozeki
- 申请人: Masahiko NAKAYAMA , Hiroaki Yoda , Tadashi Kai , Hisanori Aikawa , Katsuya Nishiyama , Jyunichi Ozeki
- 申请人地址: JP Tokyo
- 专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人: KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2009-66274 20090318
- 主分类号: G11C11/00
- IPC分类号: G11C11/00 ; G11B5/33
摘要:
A magnetoresistive device includes: a magnetic recording layer including a first magnetic layer having perpendicular magnetic anisotropy, and a second magnetic layer having in-plane magnetic anisotropy and being exchange-coupled to the first magnetic layer, Curie temperature of the second magnetic layer being lower than Curie temperature of the first magnetic layer, and the magnetic recording layer having a magnetization direction perpendicular to a film plane; a magnetic reference layer having a magnetization direction which is perpendicular to a film plane and is invariable; and a nonmagnetic layer provided between the magnetic recording layer and the magnetic reference layer. The magnetization direction of the magnetic recording layer is changeable by spin-polarized electrons caused by flowing current between the magnetic recording layer and the magnetic reference layer in a direction perpendicular to the film plane.
公开/授权文献
- US08169817B2 Magnetoresistive device and magnetic random access memory 公开/授权日:2012-05-01
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