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公开(公告)号:US20140284735A1
公开(公告)日:2014-09-25
申请号:US14014210
申请日:2013-08-29
申请人: Masahiko NAKAYAMA , Toshihiko NAGASE , Tadashi KAI , Youngmin EEH , Koji UEDA , Yutaka HASHIMOTO , Daisuke WATANABE , Kazuya SAWADA
发明人: Masahiko NAKAYAMA , Toshihiko NAGASE , Tadashi KAI , Youngmin EEH , Koji UEDA , Yutaka HASHIMOTO , Daisuke WATANABE , Kazuya SAWADA
IPC分类号: H01L43/08
CPC分类号: H01L43/08 , H01F10/3254 , H01F10/3259 , H01F41/325
摘要: According to one embodiment, a magnetoresistance effect element includes a reference layer, a shift canceling layer, a storage layer provided between the reference layer and the shift canceling layer, a tunnel barrier layer provided between the reference layer and the storage layer, and a spacer layer provided between the shift canceling layer and the storage layer, wherein a pattern of the storage layer is provided inside a pattern of the shift canceling layer when the patterns of the storage layer and the shift canceling layer are viewed from a direction perpendicular to the patterns of the storage layer and the shift canceling layer.
摘要翻译: 根据一个实施例,磁阻效应元件包括参考层,移位消除层,设置在参考层和移位消除层之间的存储层,设置在参考层和存储层之间的隧道势垒层,以及间隔物 设置在移位消除层和存储层之间的层,其中当从垂直于图案的方向观察存储层和移位消除层的图案时,存储层的图案设置在移位消除层的图案内部 的存储层和移位消除层。
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公开(公告)号:US20140284742A1
公开(公告)日:2014-09-25
申请号:US13963762
申请日:2013-08-09
申请人: Kazuya SAWADA , Toshihiko NAGASE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Masahiko NAKAYAMA , Tadashi KAI , Hiroaki YODA
发明人: Kazuya SAWADA , Toshihiko NAGASE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Masahiko NAKAYAMA , Tadashi KAI , Hiroaki YODA
摘要: According to one embodiment, a magnetoresistive element includes first, second and third magnetic layers, and first and second nonmagnetic layers. The third magnetic layer has stack layers including a first stack layer close to the second magnetic layer, and a second stack layer far from the second magnetic layer. Each of the first and second stack layers includes a first layer made of a ferromagnetic material and a second layer made of a nonmagnetic material, and a first ratio of a film thickness of the first layer to that of the second layer in the first stack layer is higher than a second ratio of a film thickness of the first layer to that of the second layer in the second stack layer.
摘要翻译: 根据一个实施例,磁阻元件包括第一,第二和第三磁性层以及第一和第二非磁性层。 第三磁性层具有包括靠近第二磁性层的第一堆叠层和远离第二磁性层的第二堆叠层的堆叠层。 第一和第二堆叠层中的每一个包括由铁磁材料制成的第一层和由非磁性材料制成的第二层,并且第一层的第一层的膜厚度与第二层的膜厚度的第一比率 高于第二层的第一层的膜厚度与第二层的膜厚度的第二比率。
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公开(公告)号:US20150069554A1
公开(公告)日:2015-03-12
申请号:US14201263
申请日:2014-03-07
申请人: Masahiko NAKAYAMA , Yasuyuki SONODA , Hiroaki YODA , Makoto NAGAMINE , Masatoshi YOSHIKAWA , Masaru TOKO , Tadashi KAI , Daisuke WATANABE , Youngmin EEH , Koji UEDA , Kazuya SAWADA , Toshihiko NAGASE
发明人: Masahiko NAKAYAMA , Yasuyuki SONODA , Hiroaki YODA , Makoto NAGAMINE , Masatoshi YOSHIKAWA , Masaru TOKO , Tadashi KAI , Daisuke WATANABE , Youngmin EEH , Koji UEDA , Kazuya SAWADA , Toshihiko NAGASE
CPC分类号: H01L43/08 , H01L27/228 , H01L43/02 , H01L43/12
摘要: According to one embodiment, a magnetic memory is disclosed. The memory includes a conductive layer containing a first metallic material, a stacked body formed above the conductive layer and including a first magnetic layer containing a second metallic material, a second magnetic layer, and a tunnel barrier layer formed between the first magnetic layer and the second magnetic layer, and an insulating layer formed on a side face of the stacked body and containing an oxide of the first metallic material. A standard electrode potential of the first metallic material is lower than the standard electrode potential of the second metallic material.
摘要翻译: 根据一个实施例,公开了一种磁存储器。 存储器包括含有第一金属材料的导电层,形成在导电层之上的层叠体,并且包括形成在第一磁性层和第二磁性层之间的包含第二金属材料的第一磁性层,第二磁性层和隧道势垒层 第二磁性层和形成在层叠体的侧面上并且包含第一金属材料的氧化物的绝缘层。 第一金属材料的标准电极电位低于第二金属材料的标准电极电位。
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公开(公告)号:US20150263271A1
公开(公告)日:2015-09-17
申请号:US14478971
申请日:2014-09-05
申请人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE , Masahiko NAKAYAMA
发明人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE , Masahiko NAKAYAMA
CPC分类号: H01L43/10 , H01L27/228 , H01L43/08 , H01L43/12
摘要: According to one embodiment, there is provided a magnetoresistive element, including a lower electrode having crystallinity on a substrate, a first conductive layer including an amorphous state on the lower electrode, a buffer layer on the first conductive layer, and an MTJ element on the buffer layer.
摘要翻译: 根据一个实施例,提供了一种磁阻元件,包括在基板上具有结晶性的下电极,在下电极上包括非晶状态的第一导电层,在第一导电层上的缓冲层,以及在第一导电层上的MTJ元件 缓冲层。
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公开(公告)号:US20140284534A1
公开(公告)日:2014-09-25
申请号:US14024114
申请日:2013-09-11
申请人: Toshihiko NAGASE , Tadashi KAI , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Hiroaki YODA
发明人: Toshihiko NAGASE , Tadashi KAI , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Hiroaki YODA
摘要: According to one embodiment, a magnetoresistive element is disclosed. The magnetoresistive element includes a first magnetic layer having a variable magnetization direction. A first nonmagnetic layer is provided on the first magnetic layer. A second magnetic layer having a fixed magnetization direction is provided on the first nonmagnetic layer. The first magnetic layer, the first nonmagnetic layer and the second magnetic layer are preferredly oriented in a cubical crystal (111) plane.
摘要翻译: 根据一个实施例,公开了一种磁阻元件。 磁阻元件包括具有可变磁化方向的第一磁性层。 第一非磁性层设置在第一磁性层上。 具有固定磁化方向的第二磁性层设置在第一非磁性层上。 第一磁性层,第一非磁性层和第二磁性层优选地取向为立方晶体(111)平面。
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公开(公告)号:US20140286084A1
公开(公告)日:2014-09-25
申请号:US13963654
申请日:2013-08-09
申请人: Daisuke WATANABE , Youngmin EEH , Kazuya SAWADA , Koji UEDA , Toshihiko NAGASE
发明人: Daisuke WATANABE , Youngmin EEH , Kazuya SAWADA , Koji UEDA , Toshihiko NAGASE
CPC分类号: H01L43/10 , G11C11/161 , H01L27/222 , H01L43/02 , H01L43/08
摘要: According to one embodiment, a magnetoresistive element comprises a storage layer having perpendicular magnetic anisotropy with respect to a film plane and having a variable direction of magnetization, a reference layer having perpendicular magnetic anisotropy with respect to the film plane and having an invariable direction of magnetization, a tunnel barrier layer formed between the storage layer and the reference layer and containing O, and an underlayer formed on a side of the storage layer opposite to the tunnel barrier layer. The reference layer comprises a first reference layer formed on the tunnel barrier layer side and a second reference layer formed opposite the tunnel barrier layer. The second reference layer has a higher standard electrode potential than the underlayer.
摘要翻译: 根据一个实施例,磁阻元件包括相对于膜平面具有垂直磁各向异性且具有可变磁化方向的存储层,具有相对于膜平面具有垂直磁各向异性且具有不变的磁化方向的参考层 形成在存储层和参考层之间并且包含O的隧道势垒层,以及形成在与隧道势垒层相对的存储层侧的底层。 参考层包括形成在隧道势垒层侧的第一参考层和与隧道势垒层相对形成的第二参考层。 第二参考层具有比底层更高的标准电极电位。
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公开(公告)号:US20160163968A1
公开(公告)日:2016-06-09
申请号:US15041722
申请日:2016-02-11
申请人: Koji UEDA , Toshihiko NAGASE , Kazuya SAWADA , Youngmin EEH , Daisuke WATANABE , Hiroaki YODA
发明人: Koji UEDA , Toshihiko NAGASE , Kazuya SAWADA , Youngmin EEH , Daisuke WATANABE , Hiroaki YODA
CPC分类号: H01L43/10 , H01L27/228 , H01L43/02 , H01L43/08
摘要: According to one embodiment, a magnetoresistive element comprises a first magnetic layer, a second magnetic layer, a first nonmagnetic layer, a second nonmagnetic layer, and a third magnetic layer. The first magnetic layer has a variable magnetization direction. The second magnetic layer has an invariable magnetization direction and includes a nonmagnetic material film and a magnetic material film. The first nonmagnetic layer is arranged between the first magnetic layer and the second magnetic layer. The second nonmagnetic layer is arranged on a surface of the second magnetic layer. The third magnetic layer is arranged on a surface of the second nonmagnetic layer. The second nonmagnetic layer is in contact with the nonmagnetic material film included in the second magnetic layer.
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公开(公告)号:US20150069542A1
公开(公告)日:2015-03-12
申请号:US14157356
申请日:2014-01-16
申请人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE
发明人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE
CPC分类号: H01L43/08 , G11B5/3909 , H01L43/10 , H01L43/12
摘要: According to one embodiment, a method of manufacturing a magneto-resistive element, includes forming a first ferromagnetic layer on a substrate, forming a tunnel barrier layer on the first ferromagnetic layer, forming a second ferromagnetic layer containing B on the tunnel barrier layer, exposing a laminate of the first ferromagnetic layer, the tunnel barrier layer, and the second ferromagnetic layer under a pressurized atmosphere, and annealing the laminate while being exposed to the pressurized atmosphere, thereby promoting the orientation of the second magnetic layer.
摘要翻译: 根据一个实施例,制造磁阻元件的方法包括在衬底上形成第一铁磁层,在第一铁磁层上形成隧道势垒层,在隧道势垒层上形成含有B的第二铁磁层, 在加压气氛下的第一铁磁层,隧道势垒层和第二铁磁层的层叠体,并且在暴露于加压气氛的同时退火层叠体,从而促进第二磁性层的取向。
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公开(公告)号:US20160254442A1
公开(公告)日:2016-09-01
申请号:US14814158
申请日:2015-07-30
申请人: Kazuya SAWADA , Toshihiko NAGASE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Makoto NAGAMINE
发明人: Kazuya SAWADA , Toshihiko NAGASE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Makoto NAGAMINE
CPC分类号: H01L43/08 , H01L27/228 , H01L43/10
摘要: According to one embodiment, a magnetoresistive memory device includes a first magnetic layer, a second magnetic layer, a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer, and a third magnetic layer provided on a side of the first or second magnetic layer opposite to the nonmagnetic layer. The third magnetic layer has a multilayer film having an artificial lattice structure, and the third magnetic layer is partly microcrystalline or amorphous.
摘要翻译: 根据一个实施例,磁阻存储器件包括第一磁性层,第二磁性层,设置在第一磁性层和第二磁性层之间的非磁性层,以及设置在第一或第二磁性层的一侧的第三磁性层 层与非磁性层相对。 第三磁性层具有具有人造晶格结构的多层膜,第三磁性层是部分微晶或无定形的。
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公开(公告)号:US20160099287A1
公开(公告)日:2016-04-07
申请号:US14645239
申请日:2015-03-11
申请人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE
发明人: Makoto NAGAMINE , Youngmin EEH , Koji UEDA , Daisuke WATANABE , Kazuya SAWADA , Toshihiko NAGASE
CPC分类号: H01L27/228 , H01L43/08 , H01L43/12
摘要: According to one embodiment, a magnetoresistive memory device, includes a metal buffer layer provided on a substrate, a crystalline metal nitride buffer layer provided on the metal buffer layer, and a magnetoresistive element provided on the metal nitride buffer layer. The metal nitride buffer layer and the metal buffer layer contain a same material.
摘要翻译: 根据一个实施例,磁阻存储器件包括设置在衬底上的金属缓冲层,设置在金属缓冲层上的结晶金属氮化物缓冲层和设置在金属氮化物缓冲层上的磁阻元件。 金属氮化物缓冲层和金属缓冲层含有相同的材料。
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