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公开(公告)号:US10269866B2
公开(公告)日:2019-04-23
申请号:US15010669
申请日:2016-01-29
发明人: Yushi Kato , Tadaomi Daibou , Eiji Kitagawa , Takao Ochiai , Junichi Ito , Takahide Kubota , Shigemi Mizukami , Terunobu Miyazaki
摘要: A magnetoresistive element includes: a first ferromagnetic layer; a second ferromagnetic layer; and a first nonmagnetic layer disposed between the first ferromagnetic layer and the second ferromagnetic layer, the first ferromagnetic layer including (MnxGay)100-zPtz, the (MnxGay)100-zPtz having a tetragonal crystal structure, where 45 atm %≤x≤75 atm %, 25 atm %≤y≤55 atm %, x+y=100 atm %, and 0 atm %
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公开(公告)号:US09991314B2
公开(公告)日:2018-06-05
申请号:US15262117
申请日:2016-09-12
发明人: Naoki Hase , Tadaomi Daibou , Yushi Kato , Shumpei Omine , Junichi Ito
IPC分类号: H01L43/02 , H01L27/22 , H01L43/08 , H01L43/10 , H01L27/105 , H01L29/82 , G11C11/16 , H01L43/12 , H01F10/12 , H01F10/32
CPC分类号: H01L27/228 , G11C11/161 , G11C11/1673 , G11C11/1675 , H01F10/126 , H01F10/3272 , H01F10/3286 , H01L27/105 , H01L29/82 , H01L43/02 , H01L43/08 , H01L43/10 , H01L43/12
摘要: A magnetoresistive element according to an embodiment includes: a first magnetic layer; a second magnetic layer; and a first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer, the second magnetic layer containing a material with a composition (lR1-xhRx)z(TM1-yZy)1-z (0
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公开(公告)号:US20160380029A1
公开(公告)日:2016-12-29
申请号:US15262117
申请日:2016-09-12
发明人: Naoki HASE , Tadaomi Daibou , Yushi Kato , Shumpei Omine , Junichi Ito
CPC分类号: H01L27/228 , G11C11/161 , G11C11/1673 , G11C11/1675 , H01F10/126 , H01F10/3272 , H01F10/3286 , H01L27/105 , H01L29/82 , H01L43/02 , H01L43/08 , H01L43/10 , H01L43/12
摘要: A magnetoresistive element according to an embodiment includes: a first magnetic layer; a second magnetic layer; and a first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer, the second magnetic layer containing a material with a composition (lR1-xhRx)z(TM1-yZy)1-z (0
摘要翻译: 根据实施例的磁阻元件包括:第一磁性层; 第二磁性层; 以及设置在第一磁性层和第二磁性层之间的第一非磁性层,第二磁性层包含具有组成(1R1-xhRx)z(TM1-yZy)1-z(0
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公开(公告)号:US09299918B2
公开(公告)日:2016-03-29
申请号:US14504140
申请日:2014-10-01
发明人: Tadaomi Daibou , Minoru Amano , Daisuke Saida , Junichi Ito , Yuichi Ohsawa , Chikayoshi Kamata , Saori Kashiwada , Hiroaki Yoda
CPC分类号: H01L43/02 , H01F10/3254 , H01F10/3272 , H01F10/3286 , H01F10/329 , H01L27/228 , H01L43/08 , H01L43/10
摘要: A magnetoresistive element according to an embodiment includes: a first to third ferromagnetic layers, and a first nonmagnetic layer, the first and second ferromagnetic layers each having an axis of easy magnetization in a direction perpendicular to a film plane, the third ferromagnetic layer including a plurality of ferromagnetic oscillators generating rotating magnetic fields of different oscillation frequencies from one another. Spin-polarized electrons are injected into the first ferromagnetic layer and induce precession movements in the plurality of ferromagnetic oscillators of the third ferromagnetic layer by flowing a current between the first and third ferromagnetic layers, the rotating magnetic fields are generated by the precession movements and are applied to the first ferromagnetic layer, and at least one of the rotating magnetic fields assists a magnetization switching in the first ferromagnetic layer.
摘要翻译: 根据实施例的磁阻元件包括:第一至第三铁磁层和第一非磁性层,第一和第二铁磁层各自在垂直于膜平面的方向上具有容易磁化的轴,所述第三铁磁层包括 多个铁磁振荡器产生彼此不同振荡频率的旋转磁场。 旋转极化电子被注入到第一铁磁层中并通过在第一和第三铁磁层之间流动电流而引起第三铁磁层的多个铁磁振荡器中的进动运动,旋转磁场由进动运动产生,并且是 施加到第一铁磁层,并且至少一个旋转磁场有助于第一铁磁层中的磁化切换。
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公开(公告)号:US10256394B2
公开(公告)日:2019-04-09
申请号:US15444811
申请日:2017-02-28
发明人: Shumpei Omine , Tadaomi Daibou , Yushi Kato , Naoki Hase , Junichi Ito
IPC分类号: H01L29/82 , H01L43/02 , H01F10/16 , H01F10/30 , H01F10/32 , H01L43/08 , H01L43/10 , H01L27/105 , H01L27/22 , H01L43/12
摘要: A magnetoresistive element according to an embodiment includes: a first layer containing Al and at least one element of Ni or Co, the first layer having a CsCl structure; a first magnetic layer; a first nonmagnetic layer between the first layer and the first magnetic layer; and a second magnetic layer between the first layer and the first nonmagnetic layer, the second magnetic layer containing Mn and Ga.
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公开(公告)号:US09859491B2
公开(公告)日:2018-01-02
申请号:US15259855
申请日:2016-09-08
发明人: Tadaomi Daibou , Yushi Kato , Shumpei Omine , Naoki Hase , Junichi Ito
CPC分类号: H01L43/08 , G01R33/098 , G11B5/3909 , G11C11/16 , G11C11/161 , G11C11/1673 , G11C11/1675 , H01L27/228 , H01L43/02 , H01L43/10
摘要: A magnetoresistive element according to an embodiment includes a stack structure, the stack structure including: a first magnetic layer containing Mn and at least one element of Ga, Ge, or Al; a second magnetic layer; a first nonmagnetic layer disposed between the first magnetic layer and the second magnetic layer; a third magnetic layer disposed between the first magnetic layer and the first nonmagnetic layer; and a second nonmagnetic layer disposed between the first magnetic layer and the third magnetic layer, the second nonmagnetic layer containing at least one element of Mg, Ba, Ca, C, Sr, Sc, Y, Gd, Tb, Dy, Ce, Ho, Yb, Er, or B.
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公开(公告)号:US09087980B2
公开(公告)日:2015-07-21
申请号:US14183122
申请日:2014-02-18
发明人: Tadaomi Daibou , Junichi Ito , Tadashi Kai , Minoru Amano , Hiroaki Yoda , Terunobu Miyazaki , Shigemi Mizukami , Koji Ando , Kay Yakushiji , Shinji Yuasa , Hitoshi Kubota , Akio Fukushima , Taro Nagahama , Takahide Kubota
CPC分类号: H01L43/10 , H01L23/528 , H01L27/222 , H01L27/226 , H01L43/02 , H01L43/08 , H01L2924/0002 , H01L2924/00
摘要: A magnetoresistive element according to an embodiment includes: a base layer; a first magnetic layer formed on the base layer, and including a first magnetic film having an axis of easy magnetization in a direction perpendicular to a film plane, the first magnetic film including MnxGa100-x (45≦x
摘要翻译: 根据实施例的磁阻元件包括:基底层; 第一磁性层,其形成在所述基底层上,并且包括在垂直于膜平面的方向上具有容易磁化的轴的第一磁性膜,所述第一磁性膜包括Mn x Ga 100-x(45≤n1E; x <64原子%); 形成在第一磁性层上的第一非磁性层; 以及形成在所述第一非磁性层上的第二磁性层,并且包括在垂直于膜平面的方向上具有容易磁化的轴的第二磁性膜,所述第二磁性膜包括MnyGa100-y(45&lt; IL1; y <64原子%), 。 第一和第二磁性层包括彼此不同的Mn组成比,第一磁性层的磁化方向可以通过第一非磁性层在第一磁性层和第二磁性层之间流动的电流而改变。
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公开(公告)号:US20170179374A1
公开(公告)日:2017-06-22
申请号:US15444811
申请日:2017-02-28
发明人: Shumpei OMINE , Tadaomi Daibou , Yushi Kato , Naoki Hase , Junichi Ito
CPC分类号: H01L43/02 , H01F10/16 , H01F10/30 , H01F10/32 , H01L27/105 , H01L27/228 , H01L43/08 , H01L43/10 , H01L43/12
摘要: A magnetoresistive element according to an embodiment includes: a first layer containing Al and at least one element of Ni or Co, the first layer having a CsCl structure; a first magnetic layer; a first nonmagnetic layer between the first layer and the first magnetic layer; and a second magnetic layer between the first layer and the first nonmagnetic layer, the second magnetic layer containing Mn and Ga.
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公开(公告)号:US20140159177A1
公开(公告)日:2014-06-12
申请号:US14183122
申请日:2014-02-18
发明人: Tadaomi DAIBOU , Junichi Ito , Tadashi Kai , Minoru Amano , Hiroaki Yoda , Terunobu Miyazaki , Shigemi Mizukami , Koji Ando , Kay Yakushiji , Shinji Yuasa , Hitoshi Kubota , Akio Fukushima , Taro Nagahama , Takahide Kubota
IPC分类号: H01L43/10
CPC分类号: H01L43/10 , H01L23/528 , H01L27/222 , H01L27/226 , H01L43/02 , H01L43/08 , H01L2924/0002 , H01L2924/00
摘要: A magnetoresistive element according to an embodiment includes: a base layer; a first magnetic layer formed on the base layer, and including a first magnetic film having an axis of easy magnetization in a direction perpendicular to a film plane, the first magnetic film including MnxGa100-x (45≦x
摘要翻译: 根据实施例的磁阻元件包括:基底层; 第一磁性层,其形成在所述基底层上,并且包括在垂直于膜平面的方向上具有容易磁化的轴的第一磁性膜,所述第一磁性膜包括Mn x Ga 100-x(45≤n1E; x <64原子%); 形成在第一磁性层上的第一非磁性层; 以及形成在第一非磁性层上的第二磁性层,并且在垂直于膜平面的方向上包括具有容易磁化轴的第二磁性膜,所述第二磁性膜包括MnyGa100-y(45&lt; EL; y <64原子%), 。 第一和第二磁性层包括彼此不同的Mn组成比,第一磁性层的磁化方向可以通过第一非磁性层在第一磁性层和第二磁性层之间流动的电流而改变。
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公开(公告)号:US20130248355A1
公开(公告)日:2013-09-26
申请号:US13621978
申请日:2012-09-18
IPC分类号: C23F1/00
CPC分类号: H01L43/12 , H01F10/3254 , H01F41/308 , H01L21/32136 , H01L43/02 , H01L43/08 , H01L43/10
摘要: According to one embodiment, a method of manufacturing a magnetoresistive element, the method includes forming a first magnetic layer, forming a tunnel barrier layer on the first magnetic layer, forming a second magnetic layer on the tunnel barrier layer, forming a hard mask layer on the second magnetic layer, and patterning the second magnetic layer, the tunnel barrier layer, and the first magnetic layer, with a cluster ion beam using the hard mask layer as a mask, wherein the cluster ion beam comprises cluster ions, cluster sizes of the cluster ions are distributed, and a peak value of the distribution of the cluster sizes is 2 pieces or more and 1000 pieces or less.
摘要翻译: 根据一个实施例,一种制造磁阻元件的方法,该方法包括形成第一磁性层,在第一磁性层上形成隧道势垒层,在隧道势垒层上形成第二磁性层,在第 第二磁性层,使用该硬掩模层作为掩模以簇离子束形成第二磁性层,隧道势垒层和第一磁性层,其中,簇离子束包括簇离子, 簇离子分布,簇大小分布的峰值为2片以上且1000片以下。
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