KR101036124B1 - 개선된 mram 터널 접합들을 위한 나노결정층들 - Google Patents
개선된 mram 터널 접합들을 위한 나노결정층들 Download PDFInfo
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- KR101036124B1 KR101036124B1 KR1020057003506A KR20057003506A KR101036124B1 KR 101036124 B1 KR101036124 B1 KR 101036124B1 KR 1020057003506 A KR1020057003506 A KR 1020057003506A KR 20057003506 A KR20057003506 A KR 20057003506A KR 101036124 B1 KR101036124 B1 KR 101036124B1
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 38
- 230000005294 ferromagnetic effect Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 7
- 229910004156 TaNx Inorganic materials 0.000 claims description 5
- 239000002885 antiferromagnetic material Substances 0.000 claims 1
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- 229910052707 ruthenium Inorganic materials 0.000 description 6
- 229910015136 FeMn Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910008065 Si-SiO Inorganic materials 0.000 description 2
- 229910006405 Si—SiO Inorganic materials 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
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- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- IGOJMROYPFZEOR-UHFFFAOYSA-N manganese platinum Chemical compound [Mn].[Pt] IGOJMROYPFZEOR-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
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- 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
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
-
- 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]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
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- 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
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
- H01F41/302—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
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- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (18)
- 자기 소자에 있어서,결정학적으로 무질서한(crystallographically disordered) 시드층;상기 결정학적으로 무질서한 시드층 상에 형성된 나노결정 반강자성 피닝층(nonocrystalline antiferromagnetic pinning layer); 및상기 나노결정 반강자성 피닝층 상에 형성된 나노결정 강자성층을 포함하는, 자기 소자.
- 제1항에 있어서,상기 결정학적으로 무질서한 시드층과 상기 나노결정 반강자성 피닝층 사이에 형성된 나노결정 템플릿층을 더 포함하는, 자기 소자.
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- 자기 소자에 있어서,결정학적으로 무질서한 시드층;상기 시드층 상에 형성된 나노결정 템플릿층;상기 템플릿층 상에 형성된 나노결정 반강자성 피닝층;상기 피닝층 상에 형성된 제1 나노결정 강자성층;상기 제1 나노결정 강자성층 상에 형성된 결합층; 및상기 결합층 상에 형성된 제2 나노결정 강자성층을 포함하며,상기 제 1 나노결정 강자성층, 상기 결합층, 및 상기 제 2 나노결정 강자성층은 합성 반강자성체를 형성하도록 조합되는, 자기 소자.
- 자기 소자를 제조하는 방법에 있어서,결정학적으로 무질서한 시드층을 형성하는 단계;상기 시드층 상에 나노결정 템플릿층을 형성하는 단계; 및상기 템플릿층 상에 나노결정 반강자성 피닝층을 형성하는 단계를 포함하는, 자기 소자 제조 방법.
- 자기 소자를 제조하는 방법에 있어서,결정학적으로 무질서한 시드층을 형성하는 단계;상기 시드층 상에 나노결정 템플릿층을 형성하는 단계;상기 템플릿층 상에 나노결정 반강자성 피닝층을 형성하는 단계; 및상기 피닝층상에 제 1 나노결정 강자성층을 형성하는 단계를 포함하며,상기 결정학적으로 무질서한 시드층을 형성하는 단계는 TaNx 시드층을 형성하는 단계를 포함하는, 자기 소자 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/232,111 | 2002-08-30 | ||
US10/232,111 US6801415B2 (en) | 2002-08-30 | 2002-08-30 | Nanocrystalline layers for improved MRAM tunnel junctions |
Publications (2)
Publication Number | Publication Date |
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KR20050036985A KR20050036985A (ko) | 2005-04-20 |
KR101036124B1 true KR101036124B1 (ko) | 2011-05-23 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020057003506A KR101036124B1 (ko) | 2002-08-30 | 2003-07-24 | 개선된 mram 터널 접합들을 위한 나노결정층들 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6801415B2 (ko) |
EP (1) | EP1547102B1 (ko) |
JP (1) | JP2006506828A (ko) |
KR (1) | KR101036124B1 (ko) |
CN (1) | CN100339915C (ko) |
AT (1) | ATE361536T1 (ko) |
AU (1) | AU2003304170A1 (ko) |
DE (1) | DE60313636T2 (ko) |
TW (1) | TWI311754B (ko) |
WO (1) | WO2004107370A2 (ko) |
Families Citing this family (58)
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US6801415B2 (en) | 2004-10-05 |
AU2003304170A8 (en) | 2005-01-21 |
CN100339915C (zh) | 2007-09-26 |
KR20050036985A (ko) | 2005-04-20 |
EP1547102B1 (en) | 2007-05-02 |
TW200405335A (en) | 2004-04-01 |
AU2003304170A1 (en) | 2005-01-21 |
CN1679121A (zh) | 2005-10-05 |
TWI311754B (en) | 2009-07-01 |
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