Magneto-resistance effect element and magnetic memory
    41.
    发明授权
    Magneto-resistance effect element and magnetic memory 有权
    磁阻效应元件和磁存储器

    公开(公告)号:US08134193B2

    公开(公告)日:2012-03-13

    申请号:US13170650

    申请日:2011-06-28

    IPC分类号: H01L29/76

    摘要: It is possible to reduce a current required for spin injection writing. A magneto-resistance effect element includes: a first magnetization pinned layer; a magnetization free layer; a tunnel barrier layer; a second magnetization pinned layer whose direction of magnetization is pinned to be substantially anti-parallel to the direction of magnetization of the first magnetization pinned layer, and; a non-magnetic layer. When the second magnetization pinned layer is made of ferromagnetic material including Co, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Zr, Hf, Rh, Ag, and Au; when the second magnetization pinned layer is made of ferromagnetic material including Fe, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Rh, Pt, Ir, Al, Ag, and Au; and when the second magnetization pinned layer is made of ferromagnetic material including Ni, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Zr, Hf, Au, and Ag.

    摘要翻译: 可以减少自旋注入写入所需的电流。 磁阻效应元件包括:第一磁化固定层; 无磁化层; 隧道势垒层; 第二磁化固定层,其磁化方向固定为与第一磁化固定层的磁化方向基本上反平行; 非磁性层。 当第二磁化固定层由包括Co的铁磁材料制成时,非磁性层的材料是包括选自Zr,Hf,Rh,Ag和Au中的至少一种元素的金属; 当第二磁化被钉扎层由包括Fe的铁磁材料制成时,用于非磁性层的材料是包括选自Rh,Pt,Ir,Al,Ag和Au中的至少一种元素的金属; 并且当第二磁化被钉扎层由包括Ni的铁磁材料制成时,用于非磁性层的材料是包括选自Zr,Hf,Au和Ag中的至少一种元素的金属。

    MAGNETO-RESISTANCE EFFECT ELEMENT AND MAGNETIC MEMORY
    42.
    发明申请
    MAGNETO-RESISTANCE EFFECT ELEMENT AND MAGNETIC MEMORY 有权
    磁阻效应元件和磁记忆

    公开(公告)号:US20110316104A1

    公开(公告)日:2011-12-29

    申请号:US13170650

    申请日:2011-06-28

    IPC分类号: H01L29/82

    摘要: It is possible to reduce a current required for spin injection writing. A magneto-resistance effect element includes: a first magnetization pinned layer; a magnetization free layer; a tunnel barrier layer; a second magnetization pinned layer whose direction of magnetization is pinned to be substantially anti-parallel to the direction of magnetization of the first magnetization pinned layer, and; a non-magnetic layer. When the second magnetization pinned layer is made of ferromagnetic material including Co, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Zr, Hf, Rh, Ag, and Au; when the second magnetization pinned layer is made of ferromagnetic material including Fe, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Rh, Pt, Ir, Al, Ag, and Au; and when the second magnetization pinned layer is made of ferromagnetic material including Ni, material for the non-magnetic layer is metal including at least one element selected from the group consisting of Zr, Hf, Au, and Ag.

    摘要翻译: 可以减少自旋注入写入所需的电流。 磁阻效应元件包括:第一磁化固定层; 无磁化层; 隧道势垒层; 第二磁化固定层,其磁化方向固定为与第一磁化固定层的磁化方向基本上反平行; 非磁性层。 当第二磁化固定层由包括Co的铁磁材料制成时,非磁性层的材料是包括选自Zr,Hf,Rh,Ag和Au中的至少一种元素的金属; 当第二磁化被钉扎层由包括Fe的铁磁材料制成时,用于非磁性层的材料是包括选自Rh,Pt,Ir,Al,Ag和Au中的至少一种元素的金属; 并且当第二磁化被钉扎层由包括Ni的铁磁材料制成时,用于非磁性层的材料是包括选自Zr,Hf,Au和Ag中的至少一种元素的金属。

    Spin MOSFET and reconfigurable logic circuit
    43.
    发明授权
    Spin MOSFET and reconfigurable logic circuit 有权
    旋转MOSFET和可重构逻辑电路

    公开(公告)号:US08026561B2

    公开(公告)日:2011-09-27

    申请号:US12725561

    申请日:2010-03-17

    IPC分类号: H01L21/02

    摘要: A spin MOSFET includes: a first ferromagnetic layer provided on an upper face of a semiconductor substrate, and having a fixed magnetization direction perpendicular to a film plane; a semiconductor layer provided on an upper face of the first ferromagnetic layer, including a lower face opposed to the upper face of the first ferromagnetic layer, an upper face opposed to the lower face, and side faces different from the lower face and the upper face; a second ferromagnetic layer provided on the upper face of the semiconductor layer, and having a variable magnetization direction perpendicular to a film plane; a first tunnel barrier provided on an upper face of the second ferromagnetic layer; a third ferromagnetic layer provided on an upper face of the first tunnel barrier; a gate insulating film provided on the side faces of the semiconductor layer; and a gate electrode provided on the side faces of the semiconductor layer with the gate insulating film being interposed therebetween.

    摘要翻译: 自旋MOSFET包括:设置在半导体衬底的上表面上并且具有与膜平面垂直的固定磁化方向的第一铁磁层; 设置在所述第一铁磁层的上表面上的半导体层,包括与所述第一铁磁层的上表面相对的下表面,与所述下表面相对的上表面,以及与所述下表面和所述上表面不同的侧面 ; 第二铁磁层,设置在所述半导体层的上表面上,并且具有与膜平面垂直的可变磁化方向; 设置在所述第二铁磁层的上表面上的第一隧道势垒; 设置在所述第一隧道屏障的上表面上的第三铁磁层; 设置在所述半导体层的侧面上的栅极绝缘膜; 以及设置在半导体层的侧面上的栅电极,其间插入有栅极绝缘膜。

    Spin transistor and magnetic memory
    44.
    发明授权
    Spin transistor and magnetic memory 有权
    旋转晶体管和磁存储器

    公开(公告)号:US07956395B2

    公开(公告)日:2011-06-07

    申请号:US12200169

    申请日:2008-08-28

    IPC分类号: H01L27/115

    摘要: A spin transistor includes a first ferromagnetic layer provided on a substrate and having an invariable magnetization direction, a second ferromagnetic layer provided on the substrate apart from the first ferromagnetic layer in a first direction, and having a variable magnetization direction, a plurality of projecting semiconductor layers provided on the substrate to extend in the first direction, and sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a plurality of channel regions respectively provided in the projecting semiconductor layers, and a gate electrode provided on the channel regions.

    摘要翻译: 自旋晶体管包括设置在基板上并具有不变磁化方向的第一铁磁层,在第一方向上设置在与第一铁磁层隔开的基板上并具有可变磁化方向的第二铁磁层,多个突出半导体 设置在基板上以在第一方向上延伸并夹在第一铁磁层和第二铁磁层之间的层,分别设置在突出半导体层中的多个沟道区和设置在沟道区上的栅电极。

    SPIN MEMORY AND SPIN FET
    45.
    发明申请
    SPIN MEMORY AND SPIN FET 有权
    旋转存储器和转子FET

    公开(公告)号:US20110108898A1

    公开(公告)日:2011-05-12

    申请号:US12851072

    申请日:2010-08-05

    IPC分类号: H01L29/82

    摘要: A spin memory includes a magneto-resistance element having a first ferromagnetic layer in which a magnetization direction is pinned, a second ferromagnetic layer in which a magnetization direction changes, and a first nonmagnetic layer between the first and second ferromagnetic layers, a lower electrode and an upper electrode extending in a direction between 45 degrees and 90 degrees relative to an axis of hard magnetization of the second ferromagnetic layer, and sandwiching the magneto-resistance element at one end in a longitudinal direction, a switching element connected to another end in a longitudinal direction of the lower electrode, and a bit line connected to another end in a longitudinal direction of the upper electrode, wherein writing is carried out by supplying spin-polarized electrons to the second ferromagnetic layer and applying a magnetic field from the lower electrode and the upper electrode to the second ferromagnetic layer.

    摘要翻译: 自旋存储器包括磁阻元件,其具有其中磁化方向被钉扎的第一铁磁层,磁化方向改变的第二铁磁层和第一和第二铁磁层之间的第一非磁性层,下电极和 相对于第二铁磁层的硬磁化轴在45度和90度之间的方向延伸的上电极,并且在纵向方向的一端夹着磁阻元件,开关元件连接到另一端 下电极的纵向方向和与上电极的纵向方向上的另一端连接的位线,其中通过向第二铁磁层提供自旋极化电子并从下电极施加磁场来进行写入,以及 上电极到第二铁磁层。

    Spin memory and spin FET
    46.
    发明授权
    Spin memory and spin FET 有权
    旋转记忆和自旋FET

    公开(公告)号:US07812383B2

    公开(公告)日:2010-10-12

    申请号:US11846040

    申请日:2007-08-28

    IPC分类号: H01L43/08

    摘要: A spin memory includes a magneto-resistance element having a first ferromagnetic layer in which a magnetization direction is pinned, a second ferromagnetic layer in which a magnetization direction changes, and a first nonmagnetic layer between the first and second ferromagnetic layers, a lower electrode and an upper electrode extending in a direction between 45 degrees and 90 degrees relative to an axis of hard magnetization of the second ferromagnetic layer, and sandwiching the magneto-resistance element at one end in a longitudinal direction, a switching element connected to another end in a longitudinal direction of the lower electrode, and a bit line connected to another end in a longitudinal direction of the upper electrode, wherein writing is carried out by supplying spin-polarized electrons to the second ferromagnetic layer and applying a magnetic field from the lower electrode and the upper electrode to the second ferromagnetic layer.

    摘要翻译: 自旋存储器包括磁阻元件,其具有其中磁化方向被钉扎的第一铁磁层,磁化方向改变的第二铁磁层和第一和第二铁磁层之间的第一非磁性层,下电极和 相对于第二铁磁层的硬磁化轴在45度和90度之间的方向延伸的上电极,并且在纵向方向的一端夹着磁阻元件,开关元件连接到另一端 下电极的纵向方向和与上电极的纵向方向上的另一端连接的位线,其中通过向第二铁磁层提供自旋极化电子并从下电极施加磁场来进行写入,以及 上电极到第二铁磁层。

    Spin-injection magnetic random access memory
    47.
    发明授权
    Spin-injection magnetic random access memory 有权
    旋转注入磁性随机存取存储器

    公开(公告)号:US07649767B2

    公开(公告)日:2010-01-19

    申请号:US12132664

    申请日:2008-06-04

    IPC分类号: G11C11/00

    CPC分类号: G11C11/16

    摘要: A spin-injection magnetic random access memory of an aspect of the present invention includes a magnetoresistive element, a unit which writes data into the magnetoresistive element by use of spin-polarized electrons generated by a spin-injection current and which applies, to the magnetoresistive element, a magnetic field of a direction of a hard magnetization of the magnetoresistive element during the writing.

    摘要翻译: 本发明的一个自旋注入磁随机存取存储器包括一个磁阻元件,一个通过使用由自旋注入电流产生的自旋极化电子将数据写入磁阻元件的单元,该单元适用于磁阻 元件,写入期间磁阻元件的硬磁化方向的磁场。

    SEMICONDUCTOR INTEGRATED CIRCUIT
    48.
    发明申请
    SEMICONDUCTOR INTEGRATED CIRCUIT 有权
    半导体集成电路

    公开(公告)号:US20090243653A1

    公开(公告)日:2009-10-01

    申请号:US12408953

    申请日:2009-03-23

    IPC分类号: H03K19/173 G11C11/14

    摘要: A semiconductor integrated circuit includes an n-channel spin FET including one of a magnetic tunnel junction and a magneto-semiconductor junction, the n-channel spin FET including a gate terminal to receive an input signal, a source terminal to receive a first power supply potential, and a drain terminal connected to an output terminal, a p-channel FET including a gate terminal to receive a clock signal, a source terminal to receive a second power supply potential, and a drain terminal connected to the output terminal, a subsequent circuit connected to the output terminal, and a control circuit which turns on the p-channel FET to start charging the output terminal, then turns off the p-channel FET to end the charging, and supplies the input signal to the gate terminal of the n-channel spin FET.

    摘要翻译: 半导体集成电路包括包括磁性隧道结和磁半导体结之一的n沟道自旋FET,所述n沟道自旋FET包括用于接收输入信号的栅极端子,用于接收第一电源的源极端子 电位和连接到输出端的漏极端子,包括用于接收时钟信号的栅极端子的p沟道FET,用于接收第二电源电位的源极端子和连接到输出端子的漏极端子,后续 连接到输出端子的电路,以及控制电路,其导通p沟道FET以开始对输出端子充电,然后关闭p沟道FET以结束充电,并将输入信号提供给 n沟道自旋FET。

    SPIN-INJECTION MAGNETIC RANDOM ACCESS MEMORY
    50.
    发明申请
    SPIN-INJECTION MAGNETIC RANDOM ACCESS MEMORY 有权
    旋转注射磁性随机存取存储器

    公开(公告)号:US20080247223A1

    公开(公告)日:2008-10-09

    申请号:US12132664

    申请日:2008-06-04

    IPC分类号: G11C11/00

    CPC分类号: G11C11/16

    摘要: A spin-injection magnetic random access memory of an aspect of the present invention includes a magnetoresistive element, a unit which writes data into the magnetoresistive element by use of spin-polarized electrons generated by a spin-injection current and which applies, to the magnetoresistive element, a magnetic field of a direction of a hard magnetization of the magnetoresistive element during the writing.

    摘要翻译: 本发明的一个自旋注入磁随机存取存储器包括一个磁阻元件,一个通过使用由自旋注入电流产生的自旋极化电子将数据写入磁阻元件的单元,该单元适用于磁阻 元件,写入期间磁阻元件的硬磁化方向的磁场。