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AU2001249306A1 - Multi-layer tunneling device with a graded stoichiometry insulating layer - Google Patents

Multi-layer tunneling device with a graded stoichiometry insulating layer

Info

Publication number
AU2001249306A1
AU2001249306A1 AU2001249306A AU4930601A AU2001249306A1 AU 2001249306 A1 AU2001249306 A1 AU 2001249306A1 AU 2001249306 A AU2001249306 A AU 2001249306A AU 4930601 A AU4930601 A AU 4930601A AU 2001249306 A1 AU2001249306 A1 AU 2001249306A1
Authority
AU
Australia
Prior art keywords
layer
tunneling device
insulating layer
stoichiometry insulating
graded stoichiometry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001249306A
Inventor
Jon Slaughter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of AU2001249306A1 publication Critical patent/AU2001249306A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • 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
    • 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
    • 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
    • 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
    • H10N50/01—Manufacture or treatment
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Magnetic Heads (AREA)
  • Semiconductor Memories (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Physical Vapour Deposition (AREA)
  • Bipolar Transistors (AREA)
AU2001249306A 2000-03-22 2001-03-21 Multi-layer tunneling device with a graded stoichiometry insulating layer Abandoned AU2001249306A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/532,572 US6281538B1 (en) 2000-03-22 2000-03-22 Multi-layer tunneling device with a graded stoichiometry insulating layer
US09532572 2000-03-22
PCT/US2001/008987 WO2001071734A2 (en) 2000-03-22 2001-03-21 Multi-layer tunneling device with a graded stoichiometry insulating layer

Publications (1)

Publication Number Publication Date
AU2001249306A1 true AU2001249306A1 (en) 2001-10-03

Family

ID=24122326

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249306A Abandoned AU2001249306A1 (en) 2000-03-22 2001-03-21 Multi-layer tunneling device with a graded stoichiometry insulating layer

Country Status (8)

Country Link
US (2) US6281538B1 (en)
EP (1) EP1269491B1 (en)
JP (1) JP4938953B2 (en)
KR (1) KR100822653B1 (en)
AU (1) AU2001249306A1 (en)
DE (1) DE60134540D1 (en)
TW (1) TW493279B (en)
WO (1) WO2001071734A2 (en)

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Publication number Priority date Publication date Assignee Title
JP2001006126A (en) * 1999-06-17 2001-01-12 Nec Corp Magneto-resistance effect head, magneto-resistance detection system incorporating the same, and magnetic storage system incorporating the same
US6281538B1 (en) * 2000-03-22 2001-08-28 Motorola, Inc. Multi-layer tunneling device with a graded stoichiometry insulating layer
TW504713B (en) * 2000-04-28 2002-10-01 Motorola Inc Magnetic element with insulating veils and fabricating method thereof
US6429497B1 (en) * 2000-11-18 2002-08-06 Hewlett-Packard Company Method for improving breakdown voltage in magnetic tunnel junctions
US6655006B2 (en) * 2001-06-28 2003-12-02 International Business Machines Corporation Method of making a tunnel junction sensor with a smooth interface between a pinned or free layer and a barrier layer
US6510080B1 (en) * 2001-08-28 2003-01-21 Micron Technology Inc. Three terminal magnetic random access memory
US6747301B1 (en) 2002-02-06 2004-06-08 Western Digital (Fremont), Inc. Spin dependent tunneling barriers formed with a magnetic alloy
JP4382333B2 (en) * 2002-03-28 2009-12-09 株式会社東芝 Magnetoresistive element, magnetic head, and magnetic reproducing apparatus
US6724652B2 (en) 2002-05-02 2004-04-20 Micron Technology, Inc. Low remanence flux concentrator for MRAM devices
KR100492482B1 (en) 2002-09-04 2005-06-03 한국과학기술연구원 Room temperature ferromagnetic semiconductor grown by plasma enhanced molecular beam epitaxy and ferromagnetic semiconductor based device
US6828260B2 (en) * 2002-10-29 2004-12-07 Hewlett-Packard Development Company, L.P. Ultra-violet treatment of a tunnel barrier layer through an overlayer a tunnel junction device
US6841395B2 (en) * 2002-11-25 2005-01-11 International Business Machines Corporation Method of forming a barrier layer of a tunneling magnetoresistive sensor
US7002228B2 (en) * 2003-02-18 2006-02-21 Micron Technology, Inc. Diffusion barrier for improving the thermal stability of MRAM devices
US6818549B2 (en) * 2003-03-05 2004-11-16 Hewlett-Packard Development Company, L.P. Buried magnetic tunnel-junction memory cell and methods
JP4008857B2 (en) * 2003-03-24 2007-11-14 株式会社東芝 Semiconductor memory device and manufacturing method thereof
US7072209B2 (en) * 2003-12-29 2006-07-04 Micron Technology, Inc. Magnetic memory having synthetic antiferromagnetic pinned layer
US20060042929A1 (en) * 2004-08-26 2006-03-02 Daniele Mauri Method for reactive sputter deposition of an ultra-thin metal oxide film
US20060042930A1 (en) * 2004-08-26 2006-03-02 Daniele Mauri Method for reactive sputter deposition of a magnesium oxide (MgO) tunnel barrier in a magnetic tunnel junction
US7645618B2 (en) * 2004-09-09 2010-01-12 Tegal Corporation Dry etch stop process for eliminating electrical shorting in MRAM device structures
US20070052107A1 (en) * 2005-09-05 2007-03-08 Cheng-Ming Weng Multi-layered structure and fabricating method thereof and dual damascene structure, interconnect structure and capacitor
EP1999781A2 (en) * 2006-03-16 2008-12-10 Tegal Corporation Dry etch stop process for eliminating electrical shorting in mram device structures
KR101811315B1 (en) * 2011-05-24 2017-12-27 삼성전자주식회사 Magnetic memory devices and methods of fabricating the same
US9859470B2 (en) * 2016-03-10 2018-01-02 Epistar Corporation Light-emitting device with adjusting element
US10614840B1 (en) * 2017-07-11 2020-04-07 Seagate Technology Llc Reader with shape optimized for higher SNR
KR102406277B1 (en) * 2017-10-25 2022-06-08 삼성전자주식회사 Magnetoresistive random access device and method of manufacturing the same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351712A (en) 1980-12-10 1982-09-28 International Business Machines Corporation Low energy ion beam oxidation process
EP0490327B1 (en) * 1990-12-10 1994-12-28 Hitachi, Ltd. Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
JPH0896328A (en) * 1994-09-22 1996-04-12 Sumitomo Metal Ind Ltd Magnetoresistive effect thin film magnetic head and its production
US6045671A (en) * 1994-10-18 2000-04-04 Symyx Technologies, Inc. Systems and methods for the combinatorial synthesis of novel materials
US6004654A (en) * 1995-02-01 1999-12-21 Tdk Corporation Magnetic multilayer film, magnetoresistance element, and method for preparing magnetoresistance element
US5635765A (en) * 1996-02-26 1997-06-03 Cypress Semiconductor Corporation Multi-layer gate structure
JP2871670B1 (en) * 1997-03-26 1999-03-17 富士通株式会社 Ferromagnetic tunnel junction magnetic sensor, method of manufacturing the same, magnetic head, and magnetic recording / reproducing device
US5985365A (en) * 1997-10-17 1999-11-16 Galvanizing Services Co., Inc. Method and automated apparatus for galvanizing threaded rods
US6188549B1 (en) * 1997-12-10 2001-02-13 Read-Rite Corporation Magnetoresistive read/write head with high-performance gap layers
JP3646508B2 (en) * 1998-03-18 2005-05-11 株式会社日立製作所 Tunnel magnetoresistive element, magnetic sensor and magnetic head using the same
JPH11328628A (en) * 1998-05-15 1999-11-30 Sony Corp Sputtering apparatus, sputtering method and method for forming spin valve film
CN1166015C (en) * 1998-06-22 2004-09-08 索尼株式会社 Magnetic tunnel device, method of mfg. thereof and magnetic head
JP4614212B2 (en) * 1998-07-17 2011-01-19 ヤマハ株式会社 Manufacturing method of magnetic tunnel junction element
JP2000150984A (en) * 1998-11-13 2000-05-30 Yamaha Corp Magnetic tunnel element using ozone-oxidized insulating film
JP3472207B2 (en) * 1999-09-09 2003-12-02 株式会社東芝 Method of manufacturing magnetoresistive element
US6281538B1 (en) * 2000-03-22 2001-08-28 Motorola, Inc. Multi-layer tunneling device with a graded stoichiometry insulating layer

Also Published As

Publication number Publication date
KR20030014371A (en) 2003-02-17
US6395595B2 (en) 2002-05-28
KR100822653B1 (en) 2008-04-17
US20010036699A1 (en) 2001-11-01
JP2003528456A (en) 2003-09-24
US6281538B1 (en) 2001-08-28
DE60134540D1 (en) 2008-08-07
TW493279B (en) 2002-07-01
EP1269491A2 (en) 2003-01-02
WO2001071734A3 (en) 2002-05-16
JP4938953B2 (en) 2012-05-23
EP1269491B1 (en) 2008-06-25
WO2001071734A2 (en) 2001-09-27

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