CN1905229B - 磁阻效应元件以及搭载该元件的不挥发性磁存储器 - Google Patents
磁阻效应元件以及搭载该元件的不挥发性磁存储器 Download PDFInfo
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- CN1905229B CN1905229B CN2006101089234A CN200610108923A CN1905229B CN 1905229 B CN1905229 B CN 1905229B CN 2006101089234 A CN2006101089234 A CN 2006101089234A CN 200610108923 A CN200610108923 A CN 200610108923A CN 1905229 B CN1905229 B CN 1905229B
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- ferromagnetism
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 63
- 238000012546 transfer Methods 0.000 claims abstract description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 13
- 230000005307 ferromagnetism Effects 0.000 claims description 136
- 230000000694 effects Effects 0.000 claims description 90
- 230000005303 antiferromagnetism Effects 0.000 claims description 44
- 230000005415 magnetization Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 abstract 1
- 229910019236 CoFeB Inorganic materials 0.000 description 26
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 26
- 229910003321 CoFe Inorganic materials 0.000 description 14
- 239000000395 magnesium oxide Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008034 disappearance Effects 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
-
- 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
-
- 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
-
- 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
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3263—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being symmetric, e.g. for dual spin valve, e.g. NiO/Co/Cu/Co/Cu/Co/NiO
-
- 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
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
- H01F10/3272—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn by use of anti-parallel coupled [APC] ferromagnetic layers, e.g. artificial ferrimagnets [AFI], artificial [AAF] or synthetic [SAF] anti-ferromagnets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Thin Magnetic Films (AREA)
Abstract
Description
[Co(100-x)Fe(x)](100-y)B(y)0<x<100(%)、0<y<30(%)(CoFeB的合金:含有CoB、FeB) |
Co(100-x)Fe(x)(Co、Fe的合金:含有Co、Fe0<x<100(%) |
[Co(100-x)Fe(x)](100-y)B(y)/Co(100-x)Fe(x)双层强磁性层0<x<100(%)、0<y<30(%) |
Claims (20)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005219526 | 2005-07-28 | ||
JP2005219526 | 2005-07-28 | ||
JP2005-219526 | 2005-07-28 | ||
JP2006181979A JP5096702B2 (ja) | 2005-07-28 | 2006-06-30 | 磁気抵抗効果素子及びそれを搭載した不揮発性磁気メモリ |
JP2006181979 | 2006-06-30 | ||
JP2006-181979 | 2006-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1905229A CN1905229A (zh) | 2007-01-31 |
CN1905229B true CN1905229B (zh) | 2012-05-30 |
Family
ID=37694041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101089234A Active CN1905229B (zh) | 2005-07-28 | 2006-07-28 | 磁阻效应元件以及搭载该元件的不挥发性磁存储器 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7468542B2 (zh) |
JP (1) | JP5096702B2 (zh) |
CN (1) | CN1905229B (zh) |
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JP4444241B2 (ja) * | 2005-10-19 | 2010-03-31 | 株式会社東芝 | 磁気抵抗効果素子、磁気ランダムアクセスメモリ、電子カード及び電子装置 |
US7800868B2 (en) * | 2005-12-16 | 2010-09-21 | Seagate Technology Llc | Magnetic sensing device including a sense enhancing layer |
US8335105B2 (en) * | 2007-03-07 | 2012-12-18 | Headway Technologies, Inc. | Magnetic memory cell |
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US8564293B2 (en) | 2007-03-16 | 2013-10-22 | Tohoku University | Method for changing spin relaxation, method for detecting spin current and spintronics device using spin relaxation |
JP4384196B2 (ja) * | 2007-03-26 | 2009-12-16 | 株式会社東芝 | スピンfet、磁気抵抗効果素子及びスピンメモリ |
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US20080272448A1 (en) * | 2007-05-02 | 2008-11-06 | Faiz Dahmani | Integrated circuit having a magnetic tunnel junction device |
US20080273375A1 (en) * | 2007-05-02 | 2008-11-06 | Faiz Dahmani | Integrated circuit having a magnetic device |
US7682841B2 (en) * | 2007-05-02 | 2010-03-23 | Qimonda Ag | Method of forming integrated circuit having a magnetic tunnel junction device |
WO2008143118A1 (ja) | 2007-05-22 | 2008-11-27 | Alps Electric Co., Ltd. | トンネル型磁気検出素子 |
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2006
- 2006-06-30 JP JP2006181979A patent/JP5096702B2/ja active Active
- 2006-07-27 US US11/493,892 patent/US7468542B2/en active Active
- 2006-07-28 CN CN2006101089234A patent/CN1905229B/zh active Active
-
2008
- 2008-12-15 US US12/335,271 patent/US20090096045A1/en not_active Abandoned
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D.D.Djayaprawira et al.230% room-temperature magnetoresistance inCoFeB/MgO/CoFeB magnetic tunnel junctions.DOI:10.1063/1.1871344, Applied Physics Letters 86.2005,(86),092502-1- 092502-2. * |
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Also Published As
Publication number | Publication date |
---|---|
US7468542B2 (en) | 2008-12-23 |
JP5096702B2 (ja) | 2012-12-12 |
US20070025029A1 (en) | 2007-02-01 |
CN1905229A (zh) | 2007-01-31 |
US20090096045A1 (en) | 2009-04-16 |
JP2007059879A (ja) | 2007-03-08 |
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