CN101861622B - 具有减小的电流密度的磁性元件 - Google Patents

具有减小的电流密度的磁性元件 Download PDF

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Publication number
CN101861622B
CN101861622B CN200880116627.6A CN200880116627A CN101861622B CN 101861622 B CN101861622 B CN 101861622B CN 200880116627 A CN200880116627 A CN 200880116627A CN 101861622 B CN101861622 B CN 101861622B
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layer
free magnetic
magnetic layer
free
memory storage
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Chinese (zh)
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CN101861622A (zh
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N·里佐
P·马瑟
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Everspin Technologies Inc
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Everspin Technologies Inc
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/165Auxiliary circuits
    • G11C11/1675Writing or programming circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/161Digital 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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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
CN200880116627.6A 2007-10-11 2008-10-10 具有减小的电流密度的磁性元件 Active CN101861622B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/870,856 US7932571B2 (en) 2007-10-11 2007-10-11 Magnetic element having reduced current density
US11/870,856 2007-10-11
PCT/US2008/079471 WO2009049122A1 (en) 2007-10-11 2008-10-10 Magnetic element having reduced current density

Publications (2)

Publication Number Publication Date
CN101861622A CN101861622A (zh) 2010-10-13
CN101861622B true CN101861622B (zh) 2014-06-04

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CN200880116627.6A Active CN101861622B (zh) 2007-10-11 2008-10-10 具有减小的电流密度的磁性元件

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US (2) US7932571B2 (enExample)
EP (2) EP2201570B1 (enExample)
JP (1) JP2011501420A (enExample)
CN (1) CN101861622B (enExample)
WO (1) WO2009049122A1 (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5361201B2 (ja) * 2008-01-30 2013-12-04 株式会社東芝 磁気抵抗効果素子の製造方法
US7965543B2 (en) * 2009-04-30 2011-06-21 Everspin Technologies, Inc. Method for reducing current density in a magnetoelectronic device
US8390283B2 (en) 2009-09-25 2013-03-05 Everspin Technologies, Inc. Three axis magnetic field sensor
US8558331B2 (en) 2009-12-08 2013-10-15 Qualcomm Incorporated Magnetic tunnel junction device
TWI398973B (zh) * 2009-12-31 2013-06-11 Ind Tech Res Inst 垂直式磁性磁阻元件結構
JP2013101989A (ja) * 2010-02-10 2013-05-23 Hitachi Ltd 強磁性トンネル接合素子
US8518734B2 (en) 2010-03-31 2013-08-27 Everspin Technologies, Inc. Process integration of a single chip three axis magnetic field sensor
KR101766899B1 (ko) * 2010-04-21 2017-08-10 삼성전자주식회사 자기 메모리 소자
KR101684915B1 (ko) * 2010-07-26 2016-12-12 삼성전자주식회사 자기 기억 소자
US8772886B2 (en) * 2010-07-26 2014-07-08 Avalanche Technology, Inc. Spin transfer torque magnetic random access memory (STTMRAM) having graded synthetic free layer
US8358534B2 (en) 2010-09-17 2013-01-22 Micron Technology, Inc. Spin torque transfer memory cell structures and methods
US8300454B2 (en) 2010-09-17 2012-10-30 Micron Technology, Inc. Spin torque transfer memory cell structures and methods
US9666639B2 (en) 2010-09-17 2017-05-30 Micron Technology, Inc. Spin torque transfer memory cell structures and methods
US8310868B2 (en) 2010-09-17 2012-11-13 Micron Technology, Inc. Spin torque transfer memory cell structures and methods
US8531802B2 (en) * 2010-12-17 2013-09-10 Seagate Technology Llc Magnetic structure free layer stabilization
US8432009B2 (en) 2010-12-31 2013-04-30 Grandis, Inc. Method and system for providing magnetic layers having insertion layers for use in spin transfer torque memories
US9478730B2 (en) 2010-12-31 2016-10-25 Samsung Electronics Co., Ltd. Method and system for providing magnetic layers having insertion layers for use in spin transfer torque memories
US8492859B2 (en) * 2011-02-15 2013-07-23 International Business Machines Corporation Magnetic tunnel junction with spacer layer for spin torque switched MRAM
US20120267733A1 (en) 2011-04-25 2012-10-25 International Business Machines Corporation Magnetic stacks with perpendicular magnetic anisotropy for spin momentum transfer magnetoresistive random access memory
US8686484B2 (en) 2011-06-10 2014-04-01 Everspin Technologies, Inc. Spin-torque magnetoresistive memory element and method of fabricating same
JP5558425B2 (ja) * 2011-07-04 2014-07-23 株式会社東芝 磁気抵抗素子、磁気メモリ及び磁気抵抗素子の製造方法
US8766383B2 (en) * 2011-07-07 2014-07-01 Samsung Electronics Co., Ltd. Method and system for providing a magnetic junction using half metallic ferromagnets
JP2013115400A (ja) * 2011-12-01 2013-06-10 Sony Corp 記憶素子、記憶装置
JP2013115413A (ja) 2011-12-01 2013-06-10 Sony Corp 記憶素子、記憶装置
US9042164B2 (en) 2012-03-26 2015-05-26 Honeywell International Inc. Anti-tampering devices and techniques for magnetoresistive random access memory
US8767432B1 (en) 2012-12-11 2014-07-01 International Business Machines Corporation Method and apparatus for controlled application of Oersted field to magnetic memory structure
US8981505B2 (en) * 2013-01-11 2015-03-17 Headway Technologies, Inc. Mg discontinuous insertion layer for improving MTJ shunt
US9240547B2 (en) 2013-09-10 2016-01-19 Micron Technology, Inc. Magnetic tunnel junctions and methods of forming magnetic tunnel junctions
US9344345B2 (en) 2014-03-19 2016-05-17 Micron Technology, Inc. Memory cells having a self-aligning polarizer
SG10201401676XA (en) 2014-04-21 2015-11-27 Micron Technology Inc Spin transfer torque memory cells
US20160087194A1 (en) * 2014-09-18 2016-03-24 Samsung Electronics Co., Ltd. Magnetic tunnel junction device and magnetoresistive random access memory
JP6553857B2 (ja) * 2014-09-18 2019-07-31 三星電子株式会社Samsung Electronics Co.,Ltd. 磁気トンネル接合素子及び磁気ランダムアクセスメモリ
US9559143B2 (en) * 2015-01-05 2017-01-31 Samsung Electronics Co., Ltd. Method and system for providing magnetic junctions including free layers that are cobalt-free
US9472750B2 (en) * 2015-01-05 2016-10-18 Samsung Electronics Co., Ltd. Method and system for providing a bottom pinned layer in a perpendicular magnetic junction usable in spin transfer torque magnetic random access memory applications
US9502642B2 (en) 2015-04-10 2016-11-22 Micron Technology, Inc. Magnetic tunnel junctions, methods used while forming magnetic tunnel junctions, and methods of forming magnetic tunnel junctions
US9520553B2 (en) 2015-04-15 2016-12-13 Micron Technology, Inc. Methods of forming a magnetic electrode of a magnetic tunnel junction and methods of forming a magnetic tunnel junction
US9530959B2 (en) 2015-04-15 2016-12-27 Micron Technology, Inc. Magnetic tunnel junctions
US9257136B1 (en) 2015-05-05 2016-02-09 Micron Technology, Inc. Magnetic tunnel junctions
US9960346B2 (en) * 2015-05-07 2018-05-01 Micron Technology, Inc. Magnetic tunnel junctions
US10483320B2 (en) 2015-12-10 2019-11-19 Everspin Technologies, Inc. Magnetoresistive stack with seed region and method of manufacturing the same
US10141498B2 (en) 2015-12-10 2018-11-27 Everspin Technologies, Inc. Magnetoresistive stack, seed region thereof and method of manufacturing same
US10361361B2 (en) * 2016-04-08 2019-07-23 International Business Machines Corporation Thin reference layer for STT MRAM
US9680089B1 (en) 2016-05-13 2017-06-13 Micron Technology, Inc. Magnetic tunnel junctions
US10439133B2 (en) 2017-03-13 2019-10-08 Samsung Electronics Co., Ltd. Method and system for providing a magnetic junction having a low damping hybrid free layer
JP7096198B2 (ja) * 2019-04-26 2022-07-05 Tdk株式会社 磁気抵抗効果素子
US10964468B2 (en) * 2019-07-12 2021-03-30 The Regents Of The University Of California Magnetic memory structures using electric-field controlled interlayer exchange coupling (IEC) for magnetization switching
JP2021044444A (ja) * 2019-09-12 2021-03-18 キオクシア株式会社 磁気記憶装置
US11742011B2 (en) 2021-08-11 2023-08-29 The Regents Of The University Of California Voltage-controlled gain-cell magnetic memory

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1463010A (zh) * 2002-03-27 2003-12-24 株式会社东芝 磁阻效应元件和具有该磁阻效应元件的磁存储器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003324225A (ja) * 2002-04-26 2003-11-14 Nec Corp 積層フェリ型磁性薄膜並びにそれを使用した磁気抵抗効果素子及び強磁性トンネル素子
US6714444B2 (en) 2002-08-06 2004-03-30 Grandis, Inc. Magnetic element utilizing spin transfer and an MRAM device using the magnetic element
JP3699954B2 (ja) 2002-10-25 2005-09-28 株式会社東芝 磁気メモリ
JP4406242B2 (ja) * 2003-09-04 2010-01-27 株式会社東芝 磁気メモリ
US6992359B2 (en) 2004-02-26 2006-01-31 Grandis, Inc. Spin transfer magnetic element with free layers having high perpendicular anisotropy and in-plane equilibrium magnetization
JP4575101B2 (ja) * 2004-09-30 2010-11-04 株式会社東芝 磁気抵抗効果素子および磁気メモリ
JP2007027197A (ja) * 2005-07-12 2007-02-01 Sony Corp 記憶素子
US7430135B2 (en) 2005-12-23 2008-09-30 Grandis Inc. Current-switched spin-transfer magnetic devices with reduced spin-transfer switching current density
JP4514721B2 (ja) * 2006-02-09 2010-07-28 株式会社東芝 磁気抵抗効果素子の製造方法、磁気抵抗効果素子、磁気抵抗効果ヘッド、磁気記録再生装置及び磁気記憶装置
JP4997789B2 (ja) 2006-02-23 2012-08-08 Tdk株式会社 磁気メモリ
JP2007305882A (ja) 2006-05-12 2007-11-22 Sony Corp 記憶素子及びメモリ
JP2008010590A (ja) * 2006-06-28 2008-01-17 Toshiba Corp 磁気抵抗素子及び磁気メモリ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1463010A (zh) * 2002-03-27 2003-12-24 株式会社东芝 磁阻效应元件和具有该磁阻效应元件的磁存储器

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EP2201570B1 (en) 2018-02-28
JP2011501420A (ja) 2011-01-06
EP2201570A1 (en) 2010-06-30
US20090096042A1 (en) 2009-04-16
CN101861622A (zh) 2010-10-13
WO2009049122A1 (en) 2009-04-16
US8508004B2 (en) 2013-08-13
US20110062538A1 (en) 2011-03-17
EP3232440B1 (en) 2020-05-27
US7932571B2 (en) 2011-04-26
EP3232440A2 (en) 2017-10-18
EP3232440A3 (en) 2017-11-29

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