JP5565818B2 - 磁気センサ及び磁気記憶装置 - Google Patents
磁気センサ及び磁気記憶装置 Download PDFInfo
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- JP5565818B2 JP5565818B2 JP2011506076A JP2011506076A JP5565818B2 JP 5565818 B2 JP5565818 B2 JP 5565818B2 JP 2011506076 A JP2011506076 A JP 2011506076A JP 2011506076 A JP2011506076 A JP 2011506076A JP 5565818 B2 JP5565818 B2 JP 5565818B2
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- 230000005291 magnetic effect Effects 0.000 title claims description 122
- 238000003860 storage Methods 0.000 title claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 72
- 239000002184 metal Substances 0.000 claims description 72
- 230000005294 ferromagnetic effect Effects 0.000 claims description 49
- 230000000694 effects Effects 0.000 claims description 42
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- 239000003989 dielectric material Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 136
- 238000010586 diagram Methods 0.000 description 25
- 230000005415 magnetization Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 21
- 230000003993 interaction Effects 0.000 description 17
- 230000008859 change Effects 0.000 description 12
- 239000013078 crystal Substances 0.000 description 10
- 230000002457 bidirectional effect Effects 0.000 description 9
- 101100167360 Drosophila melanogaster chb gene Proteins 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 230000005290 antiferromagnetic effect Effects 0.000 description 8
- 230000005355 Hall effect Effects 0.000 description 7
- 239000003302 ferromagnetic material Substances 0.000 description 7
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
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- 239000000696 magnetic material Substances 0.000 description 6
- 238000000059 patterning Methods 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
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- 238000002955 isolation Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005293 ferrimagnetic effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- JSUIEZRQVIVAMP-UHFFFAOYSA-N gallium iron Chemical compound [Fe].[Ga] JSUIEZRQVIVAMP-UHFFFAOYSA-N 0.000 description 2
- MTRJKZUDDJZTLA-UHFFFAOYSA-N iron yttrium Chemical compound [Fe].[Y] MTRJKZUDDJZTLA-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 201000006152 substance dependence Diseases 0.000 description 2
- 208000011117 substance-related disease Diseases 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 229910019236 CoFeB Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 no heating Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1653—Address circuits or decoders
- G11C11/1655—Bit-line or column circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1659—Cell access
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1675—Writing or programming circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1697—Power supply circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/18—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using Hall-effect devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites
- H01F10/24—Garnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/30—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the intermediate layers, e.g. seed, buffer, template, diffusion preventing, cap layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/80—Constructional details
- H10N50/85—Magnetic active materials
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
- Measuring Magnetic Variables (AREA)
Description
Claims (6)
- 強磁性誘電体層と、
前記強磁性誘電体層と接合界面を形成する金属層と、
前記金属層に設けられた一対の電極と
を有し、
前記強磁性誘電体層中で強磁性誘電体材質電子状態での電流伝導が生ずることなく、前記接合界面に沿って前記金属層中の少なくとも前記接合界面側を流れる電流に生じる磁気抵抗効果を利用した磁気センサ。 - 前記強磁性誘電体層が、Y3Fe5-xGaxO12(但し、0≦x<5)からなる請求項1に記載の磁気センサ。
- 前記金属層が、Pt、Au、Pd、Ag、Bi、或いは、f軌道を有する元素のいずれかからなる金属層である請求項1または請求項2に記載の磁気センサ。
- メモリセル選択トランジスタと磁気記憶部とからなるメモリセルを備えた磁気記憶装置であって、
前記メモリセル選択トランジスタのドレイン電極にその一端が接続する金属層と、
前記金属層と接合界面を形成する強磁性誘電体層と、
前記金属層の他端に接続された電極を有し、
前記強磁性誘電体層中で強磁性誘電体材質電子状態での電流伝導が生ずることなく、前記接合界面に沿って前記金属層中の少なくとも前記接合界面側を流れる電流に生じる磁気抵抗効果を利用した磁気抵抗効果素子を、前記メモリセルの磁気記憶部とした磁気記憶装置。 - 前記強磁性誘電体層が、Y3Fe5-xGaxO12(但し、0≦x<5)からなる請求項4に記載の磁気記憶装置。
- 前記金属層が、Pt、Au、Pd、Ag、Bi、或いは、f軌道を有する元素のいずれかからなる金属層である請求項4または請求項5に記載の磁気記憶装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011506076A JP5565818B2 (ja) | 2009-03-25 | 2010-03-24 | 磁気センサ及び磁気記憶装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009073088 | 2009-03-25 | ||
JP2009073088 | 2009-03-25 | ||
JP2011506076A JP5565818B2 (ja) | 2009-03-25 | 2010-03-24 | 磁気センサ及び磁気記憶装置 |
PCT/JP2010/055049 WO2010110297A1 (ja) | 2009-03-25 | 2010-03-24 | 磁気センサ及び磁気記憶装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2010110297A1 JPWO2010110297A1 (ja) | 2012-09-27 |
JP5565818B2 true JP5565818B2 (ja) | 2014-08-06 |
Family
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JP2011506076A Expired - Fee Related JP5565818B2 (ja) | 2009-03-25 | 2010-03-24 | 磁気センサ及び磁気記憶装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8686525B2 (ja) |
JP (1) | JP5565818B2 (ja) |
WO (1) | WO2010110297A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9281467B2 (en) * | 2012-06-29 | 2016-03-08 | Intel Corporation | Spin hall effect memory |
KR102023626B1 (ko) * | 2013-01-25 | 2019-09-20 | 삼성전자 주식회사 | 스핀 홀 효과를 이용한 메모리 소자와 그 제조 및 동작방법 |
US9099119B2 (en) | 2013-02-11 | 2015-08-04 | HGST Netherlands B.V. | Magnetic read sensor using spin hall effect |
US8889433B2 (en) * | 2013-03-15 | 2014-11-18 | International Business Machines Corporation | Spin hall effect assisted spin transfer torque magnetic random access memory |
US9368550B2 (en) | 2013-07-19 | 2016-06-14 | Invensense, Inc. | Application specific integrated circuit with integrated magnetic sensor |
CN105579860B (zh) * | 2013-07-19 | 2019-10-08 | 应美盛有限公司 | 带有集成磁性传感器的专用集成电路 |
US10008248B2 (en) | 2014-07-17 | 2018-06-26 | Cornell University | Circuits and devices based on enhanced spin hall effect for efficient spin transfer torque |
EP3405978B1 (en) | 2016-01-18 | 2023-05-10 | Texas Instruments Incorporated | Method of fabricating a power mosfet with metal filled deep source contact |
KR102182095B1 (ko) * | 2016-07-12 | 2020-11-24 | 한양대학교 산학협력단 | 3축 자기 센서 |
US10516098B2 (en) * | 2016-12-22 | 2019-12-24 | Purdue Research Foundation | Apparatus for spin injection enhancement and method of making the same |
CN108962539B (zh) * | 2018-07-23 | 2020-06-05 | 同济大学 | 一种金属/氧化物三层异质结薄膜及其制备方法 |
CN112186098B (zh) * | 2019-07-02 | 2023-04-07 | 中电海康集团有限公司 | 基于自旋轨道矩的磁性存储器件及sot-mram存储单元 |
CN110412490B (zh) * | 2019-08-15 | 2020-11-24 | 四川大学 | 一种基于光自旋霍尔效应的磁性测量方法 |
Citations (1)
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WO2008123023A1 (ja) * | 2007-03-16 | 2008-10-16 | Keio University | スピン緩和変動方法、スピン流検出方法、及び、スピン緩和を利用したスピントロニクスデバイス |
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US6694822B1 (en) * | 1999-07-20 | 2004-02-24 | Fidelica Microsystems, Inc. | Use of multi-layer thin films as stress sensor |
JP2001176030A (ja) * | 1999-12-20 | 2001-06-29 | Alps Electric Co Ltd | スピンバルブ型薄膜磁気素子及び薄膜磁気ヘッド |
WO2002058167A1 (fr) * | 2001-01-19 | 2002-07-25 | Matsushita Electric Industrial Co., Ltd. | Commutateur rotatif et element de stockage magnetique utilisant celui-ci |
US7433253B2 (en) * | 2002-12-20 | 2008-10-07 | Qimonda Ag | Integrated circuit, method of operating an integrated circuit, method of manufacturing an integrated circuit, memory module, stackable memory module |
DE102005009390B3 (de) * | 2005-03-01 | 2006-10-26 | Infineon Technologies Ag | Kraftsensor, Verfahren zur Ermittlung einer auf einen Kraftsensor wirkenden Kraft mittels eines Mehrschichtsystems aus magnetischen Schichten |
JP4358773B2 (ja) * | 2005-03-25 | 2009-11-04 | シャープ株式会社 | 磁気抵抗効果素子、磁気センサー、再生ヘッド、複合ヘッド、磁気情報再生装置、磁気情報記録再生装置、および、磁気情報の再生方法 |
JP4682998B2 (ja) * | 2007-03-15 | 2011-05-11 | ソニー株式会社 | 記憶素子及びメモリ |
US20090146131A1 (en) * | 2007-12-05 | 2009-06-11 | Thomas Happ | Integrated Circuit, and Method for Manufacturing an Integrated Circuit |
JP5339272B2 (ja) * | 2008-06-05 | 2013-11-13 | 国立大学法人東北大学 | スピントロニクスデバイス及び情報伝達方法 |
-
2010
- 2010-03-24 US US13/258,723 patent/US8686525B2/en not_active Expired - Fee Related
- 2010-03-24 WO PCT/JP2010/055049 patent/WO2010110297A1/ja active Application Filing
- 2010-03-24 JP JP2011506076A patent/JP5565818B2/ja not_active Expired - Fee Related
Patent Citations (1)
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WO2008123023A1 (ja) * | 2007-03-16 | 2008-10-16 | Keio University | スピン緩和変動方法、スピン流検出方法、及び、スピン緩和を利用したスピントロニクスデバイス |
Non-Patent Citations (2)
Title |
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JPN6014013176; E. Saitoh et al.: 'Conversion of spin current into charge current atroom temperature: Inverse spin-Hall effect' APPLIED PHYSICS LETTERS Vol.88, 20060505, P.182509 * |
JPN6014013177; K. Ando et al.: 'Angular dependence of inverse spin-Hall effect induced by spin pumping investigated in a Ni81Fe19/Pt' PHYSICAL REVIEW B Vol.78, 20080608, P.014413-1〜014413-6 * |
Also Published As
Publication number | Publication date |
---|---|
US8686525B2 (en) | 2014-04-01 |
JPWO2010110297A1 (ja) | 2012-09-27 |
US20120012956A1 (en) | 2012-01-19 |
WO2010110297A1 (ja) | 2010-09-30 |
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