KR100624417B1 - 터널링 자기 저항 소자 - Google Patents
터널링 자기 저항 소자 Download PDFInfo
- Publication number
- KR100624417B1 KR100624417B1 KR1020040006464A KR20040006464A KR100624417B1 KR 100624417 B1 KR100624417 B1 KR 100624417B1 KR 1020040006464 A KR1020040006464 A KR 1020040006464A KR 20040006464 A KR20040006464 A KR 20040006464A KR 100624417 B1 KR100624417 B1 KR 100624417B1
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- Prior art keywords
- layer
- magnetoresistive element
- intermetallic compound
- tunneling
- free layer
- Prior art date
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- 230000005641 tunneling Effects 0.000 title claims abstract description 26
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims 2
- 230000005294 ferromagnetic effect Effects 0.000 description 17
- 239000000758 substrate Substances 0.000 description 14
- 230000005291 magnetic effect Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 11
- 230000005415 magnetization Effects 0.000 description 8
- 239000003302 ferromagnetic material Substances 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 239000001995 intermetallic alloy Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 230000005290 antiferromagnetic effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910003321 CoFe Inorganic materials 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 229910008487 TiSn Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000002885 antiferromagnetic material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- 229910015136 FeMn Inorganic materials 0.000 description 1
- 229910016583 MnAl Inorganic materials 0.000 description 1
- 229910017028 MnSi Inorganic materials 0.000 description 1
- 229910003289 NiMn Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
-
- 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
-
- 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
- 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
-
- 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—Materials of the active region
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Heads (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
순차적으로 형성된 고정화층, 고정층, 절연층 및 자유층을 포함하는 터널링 자기 저항 소자에 있어서,
상기 자유층이 금속간 화합물로 형성된 터널링 자기 저항 소자를 제공한다.
본 발명에 있어서, 상기 고정층이 금속간 화합물로 형성된 것을 특징으로 한다.
본 발명에 있어서, 상기 금속간 화합물은 X2YZ의 일반 구조식을 지니며, 여기서 X는 Co 또는 Cu계열의 금속 중에서 선택되며, Y는 V, Ti, Ni, Hf 중에서 선택되며, Z는 3A족 또는 4A족 물질로서 Al, Si, Ga, Ge Sn 또는 Sb 등의 비자성체 중에서 선태되는 것을 특징으로 한다.
본 발명에 있어서, 상기 금속간 화합물은 PtFeSb 또는 PtCrSb 중 적어도 어느 하나를 포함하는 것을 특징으로 한다.
또한, 본 발명에서는 고정화층, 고정층, 절연층 및 자유층이 순차적으로 형성된 자기 저항 소자에 있어서, 상기 고정층이 금속간 화합물로 형성된 터널링 자기 저항 소자를 제공한다.
본 발명에 있어서, 상기 금속간 화합물은 X2YZ의 일반 구조식을 지니며, 여기서 X는 Co 또는 Cu계열의 금속 중에서 선택되며, Y는 V, Ti, Ni, Hf 중에서 선택되며, Z는 3A족 또는 4A족 물질로서 Al, Si, Ga, Ge Sn 또는 Sb 등의 비자성체 중에서 선태되는 것을 특징으로 한다.
본 발명에 있어서, 상기 금속간 화합물은 PtFeSb 또는 PtCrSb 중 적어도 어느 하나를 포함하는 것을 특징으로 한다.
Claims (10)
- 순차적으로 형성된 고정화층, 고정층, 절연층 및 자유층을 포함하는 터널링 자기 저항 소자에 있어서,상기 자유층이 금속간 화합물로 형성된 것을 특징으로 하는 터널링 자기 저항 소자.
- 제 1항에 있어서,상기 고정층이 금속간 화합물로 형성된 것을 특징으로 하는 터널링 자기 저항 소자.
- 삭제
- 삭제
- 제 1항 및 제 2항 중 어느 한 항에 있어서,상기 금속간 화합물은 X2YZ의 일반 구조식을 지니며, 여기서 X는 Co 또는 Cu계열의 금속 중에서 선택되며, Y는 V, Ti, Ni, Hf 중에서 선택되며, Z는 3A족 또는 4A족 물질로서 Al, Si, Ga, Ge Sn 또는 Sb 등의 비자성체 중에서 선태되는 것을 특징으로 하는 터널링 자기 저항 소자.
- 제 1항 및 제 2항 중 어느 한 항에 있어서,상기 금속간 화합물은 PtFeSb 또는 PtCrSb 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 터널링 자기 저항 소자.
- 고정화층, 고정층, 절연층 및 자유층이 순차적으로 형성된 자기 저항 소자에 있어서,상기 고정층이 금속간 화합물로 형성된 것을 특징으로 하는 터널링 자기 저항 소자.
- 삭제
- 제 7항에 있어서,상기 금속간 화합물은 X2YZ의 일반 구조식을 지니며, 여기서 X는 Co 또는 Cu계열의 금속 중에서 선택되며, Y는 V, Ti, Ni, Hf 중에서 선택되며, Z는 3A족 또는 4A족 물질로서 Al, Si, Ga, Ge Sn 또는 Sb 등의 비자성체 중에서 선태되는 것을 특징으로 하는 자기 저항 소자.
- 제 7항에 있어서,상기 금속간 화합물은 PtFeSb 또는 PtCrSb 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 터널링 자기 저항 소자.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040006464A KR100624417B1 (ko) | 2004-01-31 | 2004-01-31 | 터널링 자기 저항 소자 |
EP05250361A EP1560231A3 (en) | 2004-01-31 | 2005-01-25 | Magnetic resistance device |
JP2005021557A JP2005217422A (ja) | 2004-01-31 | 2005-01-28 | 磁気抵抗素子 |
CNA2005100064131A CN1649028A (zh) | 2004-01-31 | 2005-01-31 | 磁阻器件 |
US11/045,106 US7554774B2 (en) | 2004-01-31 | 2005-01-31 | Magnetic resistance device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040006464A KR100624417B1 (ko) | 2004-01-31 | 2004-01-31 | 터널링 자기 저항 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050078158A KR20050078158A (ko) | 2005-08-04 |
KR100624417B1 true KR100624417B1 (ko) | 2006-09-18 |
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Family Applications (1)
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KR1020040006464A KR100624417B1 (ko) | 2004-01-31 | 2004-01-31 | 터널링 자기 저항 소자 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7554774B2 (ko) |
EP (1) | EP1560231A3 (ko) |
JP (1) | JP2005217422A (ko) |
KR (1) | KR100624417B1 (ko) |
CN (1) | CN1649028A (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007013887A2 (en) * | 2004-10-15 | 2007-02-01 | The Trustees Of Columbia University In The City Of New York | Methods of manipulating the relaxation rate in magnetic materials and devices for using the same |
JP2006278386A (ja) * | 2005-03-28 | 2006-10-12 | Alps Electric Co Ltd | 磁気検出素子 |
JP2008252018A (ja) * | 2007-03-30 | 2008-10-16 | Toshiba Corp | 磁気抵抗効果素子およびそれを用いた磁気ランダムアクセスメモリ |
US7957106B2 (en) * | 2007-04-30 | 2011-06-07 | Hitachi Global Storage Technologies Netherlands, B.V. | Chemically disordered material used to form a free layer or a pinned layer of a magnetoresistance (MR) read element |
WO2011071009A1 (ja) | 2009-12-08 | 2011-06-16 | 日本電気株式会社 | 電気化学反応を利用した抵抗変化素子及びその製造方法 |
CN102315255B (zh) * | 2010-07-07 | 2013-10-16 | 中国科学院物理研究所 | 一种自旋场效应晶体管及其磁性存储器 |
US9728238B2 (en) | 2011-12-19 | 2017-08-08 | Intel Corporation | Spin transfer torque memory (STTM) device with half-metal and method to write and read the device |
EP2983219B1 (en) | 2013-04-05 | 2018-03-28 | National Institute for Materials Science | Current-perpendicular-to-plane magneto-resistance effect element |
CN105609630A (zh) * | 2016-02-01 | 2016-05-25 | 唐山市众基钢结构有限公司 | 一种铁磁-反铁磁薄膜异质结构、制备方法及磁存储设备 |
EP3570301A1 (en) * | 2018-05-15 | 2019-11-20 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Rare earth metal-free hard magnets |
WO2020246553A1 (ja) * | 2019-06-06 | 2020-12-10 | 国立大学法人東北大学 | 磁気抵抗効果素子および磁気記憶装置 |
Family Cites Families (18)
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US4803660A (en) * | 1986-02-28 | 1989-02-07 | Kabushiki Kaisha Toshiba | Optical recording medium |
JP2924798B2 (ja) * | 1996-07-12 | 1999-07-26 | 日本電気株式会社 | 磁気抵抗効果薄膜 |
US5793279A (en) * | 1996-08-26 | 1998-08-11 | Read-Rite Corporation | Methods and compositions for optimizing interfacial properties of magnetoresistive sensors |
JP3050189B2 (ja) * | 1997-10-30 | 2000-06-12 | 日本電気株式会社 | 磁気抵抗効果素子及びその製造方法 |
US6436526B1 (en) * | 1999-06-17 | 2002-08-20 | Matsushita Electric Industrial Co., Ltd. | Magneto-resistance effect element, magneto-resistance effect memory cell, MRAM and method for performing information write to or read from the magneto-resistance effect memory cell |
JP2002050011A (ja) * | 2000-08-03 | 2002-02-15 | Nec Corp | 磁気抵抗効果素子、磁気抵抗効果ヘッド、磁気抵抗変換システム及び磁気記録システム |
US6771473B2 (en) * | 2001-01-22 | 2004-08-03 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistive element and method for producing the same |
EP1382046B1 (de) * | 2001-02-23 | 2011-11-02 | International Business Machines Corporation | Verbindungen mit riesenmagnetwiderstand und spinpolarisiertem tunneln, ihre herstellung und verwendung |
JP3576111B2 (ja) * | 2001-03-12 | 2004-10-13 | 株式会社東芝 | 磁気抵抗効果素子 |
JP4458703B2 (ja) * | 2001-03-16 | 2010-04-28 | 株式会社東芝 | 磁気抵抗効果素子、その製造方法、磁気ランダムアクセスメモリ、携帯端末装置、磁気ヘッド及び磁気再生装置 |
US7023670B2 (en) * | 2001-11-19 | 2006-04-04 | Alps Electric Co., Ltd. | Magnetic sensing element with in-stack biasing using ferromagnetic sublayers |
JP3607678B2 (ja) * | 2002-01-24 | 2005-01-05 | アルプス電気株式会社 | 磁気検出素子 |
JP4281285B2 (ja) * | 2002-03-14 | 2009-06-17 | ソニー株式会社 | トンネル磁気抵抗効果素子及び磁気メモリ装置 |
US6756237B2 (en) * | 2002-03-25 | 2004-06-29 | Brown University Research Foundation | Reduction of noise, and optimization of magnetic field sensitivity and electrical properties in magnetic tunnel junction devices |
JP4487472B2 (ja) * | 2002-07-05 | 2010-06-23 | 株式会社日立製作所 | 磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ |
US7675129B2 (en) * | 2002-12-13 | 2010-03-09 | Japan Science And Technology Agency | Spin injection device, magnetic device using the same, magnetic thin film used in the same |
US7158353B2 (en) * | 2003-11-06 | 2007-01-02 | Seagate Technology Llc | Magnetoresistive sensor having specular sidewall layers |
US7450327B2 (en) * | 2004-09-30 | 2008-11-11 | Intematix Corporation | Coherent spin valve and related devices |
-
2004
- 2004-01-31 KR KR1020040006464A patent/KR100624417B1/ko active IP Right Grant
-
2005
- 2005-01-25 EP EP05250361A patent/EP1560231A3/en not_active Withdrawn
- 2005-01-28 JP JP2005021557A patent/JP2005217422A/ja not_active Withdrawn
- 2005-01-31 CN CNA2005100064131A patent/CN1649028A/zh active Pending
- 2005-01-31 US US11/045,106 patent/US7554774B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1560231A3 (en) | 2006-05-31 |
US7554774B2 (en) | 2009-06-30 |
JP2005217422A (ja) | 2005-08-11 |
US20050168882A1 (en) | 2005-08-04 |
KR20050078158A (ko) | 2005-08-04 |
EP1560231A2 (en) | 2005-08-03 |
CN1649028A (zh) | 2005-08-03 |
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