GB2598699B - Control of switching trajectory in spin orbit torque devices - Google Patents

Control of switching trajectory in spin orbit torque devices Download PDF

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Publication number
GB2598699B
GB2598699B GB2200048.3A GB202200048A GB2598699B GB 2598699 B GB2598699 B GB 2598699B GB 202200048 A GB202200048 A GB 202200048A GB 2598699 B GB2598699 B GB 2598699B
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GB
United Kingdom
Prior art keywords
control
orbit torque
spin orbit
torque devices
switching trajectory
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.)
Active
Application number
GB2200048.3A
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English (en)
Other versions
GB2598699A (en
GB202200048D0 (en
Inventor
Phung Timothy
Garg Chirag
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.)
International Business Machines Corp
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International Business Machines Corp
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Publication date
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Publication of GB202200048D0 publication Critical patent/GB202200048D0/en
Publication of GB2598699A publication Critical patent/GB2598699A/en
Application granted granted Critical
Publication of GB2598699B publication Critical patent/GB2598699B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • G11C11/165—Auxiliary circuits
    • G11C11/1659—Cell access
    • 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
    • G11C11/165—Auxiliary circuits
    • G11C11/1675—Writing or programming circuits or methods
    • 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
    • G11C11/18—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using Hall-effect devices
    • 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
    • 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
    • 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
    • H01F10/329—Spin-exchange coupled multilayers wherein the magnetisation of the free layer is switched by a spin-polarised current, e.g. spin torque effect
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/18—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using galvano-magnetic devices, e.g. Hall-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N52/00—Hall-effect devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N52/00—Hall-effect devices
    • H10N52/80—Constructional details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Thin Magnetic Films (AREA)
GB2200048.3A 2019-06-20 2020-06-05 Control of switching trajectory in spin orbit torque devices Active GB2598699B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/447,753 US10916282B2 (en) 2019-06-20 2019-06-20 Control of switching trajectory in spin orbit torque devices by micromagnetic configuration
PCT/IB2020/055307 WO2020254905A1 (en) 2019-06-20 2020-06-05 Control of switching trajectory in spin orbit torque devices

Publications (3)

Publication Number Publication Date
GB202200048D0 GB202200048D0 (en) 2022-02-16
GB2598699A GB2598699A (en) 2022-03-09
GB2598699B true GB2598699B (en) 2022-07-06

Family

ID=74037843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2200048.3A Active GB2598699B (en) 2019-06-20 2020-06-05 Control of switching trajectory in spin orbit torque devices

Country Status (6)

Country Link
US (1) US10916282B2 (enExample)
JP (1) JP7563851B2 (enExample)
CN (1) CN113795884A (enExample)
DE (1) DE112020002929T5 (enExample)
GB (1) GB2598699B (enExample)
WO (1) WO2020254905A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11557719B2 (en) * 2018-02-06 2023-01-17 Tohoku University Magnetoresistance effect element, circuit device, and circuit unit
EP3839955B1 (en) * 2019-12-18 2025-03-26 Imec VZW Dual stack sot
CN113451356B (zh) * 2021-02-10 2022-12-20 北京航空航天大学 磁性随机存储单元、存储器及设备
CN113611793B (zh) * 2021-08-03 2023-10-03 致真存储(北京)科技有限公司 一种磁性随机存储器
EP4177892B1 (en) * 2021-11-03 2024-09-11 Imec VZW A magnetic domain-wall based memory device with a track-crossing architecture

Citations (7)

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US20160225982A1 (en) * 2015-01-30 2016-08-04 T3Memory, Inc. Mram having spin hall effect writing and method of making the same
US20180005677A1 (en) * 2015-01-14 2018-01-04 Centre National De La Recherche Scientifique Magnetic memory slot
US20180033954A1 (en) * 2016-03-17 2018-02-01 Cornell University Nanosecond-timescale low-error switching of 3-terminal magnetic tunnel junction circuits through dynamic in-plane-field assisted spin-hall effect
US20180308534A1 (en) * 2015-10-16 2018-10-25 Centre National De La Recherche Scientifique Magnetic memory element
US20190088860A1 (en) * 2017-09-15 2019-03-21 Kabushiki Kaisha Toshiba Magnetic memory
CN109727623A (zh) * 2017-10-30 2019-05-07 台湾积体电路制造股份有限公司 半导体结构以及相关操作和制造方法
WO2021150818A1 (en) * 2020-01-23 2021-07-29 Everspin Technologies, Inc. Magnetoresistive devices and methods therefor

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US8295082B2 (en) * 2008-08-15 2012-10-23 Qualcomm Incorporated Gate level reconfigurable magnetic logic
US9343658B2 (en) 2013-10-30 2016-05-17 The Regents Of The University Of California Magnetic memory bits with perpendicular magnetization switched by current-induced spin-orbit torques
US9589619B2 (en) 2015-02-09 2017-03-07 Qualcomm Incorporated Spin-orbit-torque magnetoresistive random access memory with voltage-controlled anisotropy
KR101729383B1 (ko) 2015-03-18 2017-04-25 한양대학교 산학협력단 스핀-오비트 토크를 이용한 자성소자
US9768229B2 (en) * 2015-10-22 2017-09-19 Western Digital Technologies, Inc. Bottom pinned SOT-MRAM bit structure and method of fabrication
US9830966B2 (en) 2015-10-29 2017-11-28 Western Digital Technologies, Inc. Three terminal SOT memory cell with anomalous Hall effect
JP6374452B2 (ja) * 2016-08-04 2018-08-15 株式会社東芝 磁気メモリ
US10381060B2 (en) 2016-08-25 2019-08-13 Qualcomm Incorporated High-speed, low power spin-orbit torque (SOT) assisted spin-transfer torque magnetic random access memory (STT-MRAM) bit cell array
KR101825318B1 (ko) 2017-01-03 2018-02-05 고려대학교 산학협력단 스핀필터 구조체를 포함하는 자기 터널 접합 소자
JP2019046976A (ja) * 2017-09-01 2019-03-22 Tdk株式会社 スピン流磁化反転素子、磁気メモリ
CN107732005B (zh) * 2017-10-11 2020-08-18 华中科技大学 一种自旋多数门器件及逻辑电路
CN109166962B (zh) * 2018-08-09 2020-10-20 北京航空航天大学 一种互补型磁性存储单元
US11594575B2 (en) * 2018-08-31 2023-02-28 Taiwan Semiconductor Manufacturing Co., Ltd. Magnetic tunnel junction structures and related methods
KR102572158B1 (ko) * 2018-09-12 2023-08-30 삼성전자주식회사 자기 기억 소자
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Publication number Priority date Publication date Assignee Title
US20180005677A1 (en) * 2015-01-14 2018-01-04 Centre National De La Recherche Scientifique Magnetic memory slot
US20160225982A1 (en) * 2015-01-30 2016-08-04 T3Memory, Inc. Mram having spin hall effect writing and method of making the same
US20180308534A1 (en) * 2015-10-16 2018-10-25 Centre National De La Recherche Scientifique Magnetic memory element
US20180033954A1 (en) * 2016-03-17 2018-02-01 Cornell University Nanosecond-timescale low-error switching of 3-terminal magnetic tunnel junction circuits through dynamic in-plane-field assisted spin-hall effect
US20190088860A1 (en) * 2017-09-15 2019-03-21 Kabushiki Kaisha Toshiba Magnetic memory
CN109727623A (zh) * 2017-10-30 2019-05-07 台湾积体电路制造股份有限公司 半导体结构以及相关操作和制造方法
WO2021150818A1 (en) * 2020-01-23 2021-07-29 Everspin Technologies, Inc. Magnetoresistive devices and methods therefor

Also Published As

Publication number Publication date
JP7563851B2 (ja) 2024-10-08
JP2022537980A (ja) 2022-08-31
US20200402558A1 (en) 2020-12-24
GB2598699A (en) 2022-03-09
DE112020002929T5 (de) 2022-03-03
CN113795884A (zh) 2021-12-14
GB202200048D0 (en) 2022-02-16
WO2020254905A1 (en) 2020-12-24
US10916282B2 (en) 2021-02-09

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