KR20110071702A - 그라핀을 이용한 스핀밸브소자 및 그 제조방법과 스핀밸브소자를 포함하는 자성소자 - Google Patents
그라핀을 이용한 스핀밸브소자 및 그 제조방법과 스핀밸브소자를 포함하는 자성소자 Download PDFInfo
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- KR20110071702A KR20110071702A KR1020090128333A KR20090128333A KR20110071702A KR 20110071702 A KR20110071702 A KR 20110071702A KR 1020090128333 A KR1020090128333 A KR 1020090128333A KR 20090128333 A KR20090128333 A KR 20090128333A KR 20110071702 A KR20110071702 A KR 20110071702A
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- spin valve
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- 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
- G11B5/3903—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 using magnetic thin film layers or their effects, the films being part of integrated structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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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
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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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- 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
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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
- H01F10/005—Thin magnetic films, e.g. of one-domain structure organic or organo-metallic films, e.g. monomolecular films obtained by Langmuir-Blodgett technique, graphene
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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
- H01F10/325—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 noble metal
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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
- H01F41/305—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 applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling
- H01F41/306—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 applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling conductive spacer
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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—Materials of the active region
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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
- G11B2005/0002—Special dispositions or recording techniques
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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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
Description
Claims (18)
- 하부 자성층;상기 하부 자성층 상에 구비된 그라핀 시트; 및상기 그라핀 시트 상에 구비된 상부 자성층을 포함하는스핀밸브소자.
- 제 1 항에 있어서,상기 그라핀 시트는 단일 시트 또는 스핀밸브소자의 정상 동작이 수행될 수 있는 수의 그라핀 시트를 포함하는 스핀밸브소자.
- 제 1 항에 있어서,상기 하부 자성층과 상기 그라핀 시트 사이에 스페이서가 구비된 스핀밸브소자.
- 제 1 항 또는 제 3 항에 있어서,상기 그라핀 시트와 상기 상부 자성층 사이에 스페이서가 구비된 스핀밸브소자.
- 제 1 항에 있어서,상기 상부 및 하부 자성층은 Ni, Co, Fe 및 이들의 혼합물 중 적어도 하나를 포함하는 스핀밸브소자.
- 제 1 항에 있어서,상기 그라핀 시트 대신에 h-BN(hexagonal boron nitride)이 구비된 스핀밸브소자.
- 스위칭 소자와 이에 연결된 스토리지 노드를 포함하는 자기 메모리 소자에 있어서,상기 스토리지 노드는 청구항 1 또는 청구항 6의 스핀밸브소자인 자기 메모리 소자.
- 스핀밸브소자를 포함하는 스핀 트랜스퍼 나노-오실레이터에 있어서,상기 스핀밸브소자는 청구항 1 또는 청구항 6의 스핀밸브소자인 스핀 트랜스퍼 나노-오실레이터.
- 하부 자성층 상에 그라핀 시트를 형성하는 단계;상기 그라핀 시트 상에 상부 자성층을 형성하는 단계; 및상기 상부 자성층, 상기 그라핀 시트 및 상기 하부 자성층을 순차적으로 식각하여 복수의 셀 패턴을 형성하는 단계를 포함하는 스핀밸브소자의 제조방법.
- 제 9 항에 있어서,상기 그라핀 시트는 단일 시트 또는 스핀밸브소자의 정상 동작이 수행될 수 있는 수의 그라핀 시트를 포함하는 스핀밸브소자의 제조방법.
- 제 9 항에 있어서,상기 하부 자성층과 상기 그라핀 시트 사이에 하부 스페이서를 더 형성하는 스핀밸브소자의 제조방법.
- 제 9 항 또는 제 11 항에 있어서,상기 상부 자성층과 상기 그라핀 시트 사이에 상부 스페이서를 더 형성하는 스핀밸브소자의 제조방법.
- 제 9 항에 있어서,상기 그라핀 시트 대신에 h-BN을 형성하는 스핀밸브소자의 제조방법.
- 기판 상에 하부 자성층 패턴을 형성하는 단계;상기 하부 자성층 패턴의 상부면에 그라핀 시트를 형성하는 단계; 및상기 그라핀 시트 상에 상부 자성층 패턴을 형성하는 단계를 포함하는 스핀밸브소자의 제조방법.
- 제 14 항에 있어서,상기 그라핀 시트는 단일 시트 또는 스핀밸브소자의 정상 동작이 수행될 수 있는 수의 그라핀 시트를 포함하는 스핀밸브소자의 제조방법.
- 제 14 항에 있어서,상기 하부 자성층 패턴과 상기 그라핀 시트 사이에 하부 스페이서 패턴을 더 형성하는 스핀밸브소자의 제조방법.
- 제 14 항 또는 제 16 항에 있어서,상기 상부 자성층 패턴과 상기 그라핀 시트 사이에 상부 스페이서 패턴을 더 형성하는 스핀밸브소자의 제조방법.
- 제 14 항에 있어서,상기 그라핀 시트 대신에 h-BN을 형성하는 스핀밸브소자의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090128333A KR20110071702A (ko) | 2009-12-21 | 2009-12-21 | 그라핀을 이용한 스핀밸브소자 및 그 제조방법과 스핀밸브소자를 포함하는 자성소자 |
| US12/805,909 US20110149670A1 (en) | 2009-12-21 | 2010-08-24 | Spin valve device including graphene, method of manufacturing the same, and magnetic device including the spin valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090128333A KR20110071702A (ko) | 2009-12-21 | 2009-12-21 | 그라핀을 이용한 스핀밸브소자 및 그 제조방법과 스핀밸브소자를 포함하는 자성소자 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20110071702A true KR20110071702A (ko) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020090128333A Ceased KR20110071702A (ko) | 2009-12-21 | 2009-12-21 | 그라핀을 이용한 스핀밸브소자 및 그 제조방법과 스핀밸브소자를 포함하는 자성소자 |
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| US (1) | US20110149670A1 (ko) |
| KR (1) | KR20110071702A (ko) |
Cited By (1)
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|---|---|---|---|---|
| US9515143B2 (en) | 2013-03-18 | 2016-12-06 | Samsung Electronics Co., Ltd. | Heterogeneous layered structure, method of preparing the heterogeneous layered structure, and electronic device including the heterogeneous layered structure |
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| FR2972077B1 (fr) * | 2011-02-24 | 2013-08-30 | Thales Sa | Composant electronique, procede de fabrication et utilisation de graphene dans un composant electronique |
| CA2834891A1 (en) * | 2011-05-27 | 2012-12-06 | University Of North Texas | Graphene magnetic tunnel junction spin filters and methods of making |
| KR20120134220A (ko) * | 2011-06-01 | 2012-12-12 | 삼성전자주식회사 | 강자성 그래핀 및 그를 구비한 스핀밸브 소자 |
| KR101878732B1 (ko) * | 2011-06-24 | 2018-07-16 | 삼성전자주식회사 | 그래핀 기재 및 이를 채용한 투명전극과 트랜지스터 |
| WO2013062617A1 (en) * | 2011-10-25 | 2013-05-02 | Massachusetts Institute Of Technology | High density molecular memory storage with read and write capabilites |
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| CN102768854B (zh) * | 2012-06-21 | 2015-07-29 | 有研稀土新材料股份有限公司 | 一种磁电复合多态存储器单元及其制备方法 |
| CN103663416B (zh) * | 2012-09-01 | 2015-09-09 | 董国材 | 一种制备石墨烯和单层六角氮化硼复合材料的方法 |
| US9379315B2 (en) | 2013-03-12 | 2016-06-28 | Micron Technology, Inc. | Memory cells, methods of fabrication, semiconductor device structures, and memory systems |
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| US10454024B2 (en) | 2014-02-28 | 2019-10-22 | Micron Technology, Inc. | Memory cells, methods of fabrication, and memory devices |
| US9281466B2 (en) | 2014-04-09 | 2016-03-08 | Micron Technology, Inc. | Memory cells, semiconductor structures, semiconductor devices, and methods of fabrication |
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| US9349945B2 (en) | 2014-10-16 | 2016-05-24 | Micron Technology, Inc. | Memory cells, semiconductor devices, and methods of fabrication |
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| US8000065B2 (en) * | 2009-01-28 | 2011-08-16 | Tdk Corporation | Magnetoresistive element and thin-film magnetic head |
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2009
- 2009-12-21 KR KR1020090128333A patent/KR20110071702A/ko not_active Ceased
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2010
- 2010-08-24 US US12/805,909 patent/US20110149670A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9515143B2 (en) | 2013-03-18 | 2016-12-06 | Samsung Electronics Co., Ltd. | Heterogeneous layered structure, method of preparing the heterogeneous layered structure, and electronic device including the heterogeneous layered structure |
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| US20110149670A1 (en) | 2011-06-23 |
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