KR102944053B1 - 자기 저항 효과 소자, 자기 메모리 및 인공지능 시스템 - Google Patents

자기 저항 효과 소자, 자기 메모리 및 인공지능 시스템

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Publication number
KR102944053B1
KR102944053B1 KR1020237034779A KR20237034779A KR102944053B1 KR 102944053 B1 KR102944053 B1 KR 102944053B1 KR 1020237034779 A KR1020237034779 A KR 1020237034779A KR 20237034779 A KR20237034779 A KR 20237034779A KR 102944053 B1 KR102944053 B1 KR 102944053B1
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South Korea
Prior art keywords
layer
heavy metal
metal layer
magnetization
ferromagnetic
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KR1020237034779A
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English (en)
Korean (ko)
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KR20230158535A (ko
Inventor
요시아키 사이토
쇼지 이케다
데쓰오 엔도
Original Assignee
고쿠리츠다이가쿠호진 도호쿠다이가쿠
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Publication of KR20230158535A publication Critical patent/KR20230158535A/ko
Application granted granted Critical
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Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/10Magnetoresistive devices
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06NCOMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00Computing arrangements based on biological models
    • G06N3/02Neural networks
    • G06N3/06Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
    • G06N3/063Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using electronic means
    • G06N3/065Analogue means
    • 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/26Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/32Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/32Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
    • H01F10/3213Exchange coupling of magnetic semiconductor multilayers, e.g. MnSe/ZnSe superlattices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B61/00Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B61/00Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H10B61/20Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
    • H10B61/22Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/40Devices controlled by magnetic fields
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/01Manufacture or treatment
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/80Constructional details
    • H10N50/85Materials of the active region

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Artificial Intelligence (AREA)
  • Molecular Biology (AREA)
  • Software Systems (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurology (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Hall/Mr Elements (AREA)
KR1020237034779A 2021-03-17 2022-03-16 자기 저항 효과 소자, 자기 메모리 및 인공지능 시스템 Active KR102944053B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-044188 2021-03-17
JP2021044188 2021-03-17
PCT/JP2022/012083 WO2022196741A1 (ja) 2021-03-17 2022-03-16 磁気抵抗効果素子、磁気メモリ及び人工知能システム

Publications (2)

Publication Number Publication Date
KR20230158535A KR20230158535A (ko) 2023-11-20
KR102944053B1 true KR102944053B1 (ko) 2026-03-25

Family

ID=83321089

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237034779A Active KR102944053B1 (ko) 2021-03-17 2022-03-16 자기 저항 효과 소자, 자기 메모리 및 인공지능 시스템

Country Status (5)

Country Link
US (1) US20240244983A1 (https=)
JP (1) JP7807091B2 (https=)
KR (1) KR102944053B1 (https=)
CN (1) CN116998021A (https=)
WO (1) WO2022196741A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12185639B2 (en) * 2021-12-23 2024-12-31 Northwestern University Antiferromagnetic memory device featuring tunneling magnetoresistance readout and current-induced writing of information
CN119156121B (zh) * 2024-11-11 2025-04-18 青岛海存微电子有限公司 半导体器件及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229160A1 (en) * 2016-01-20 2017-08-10 The Johns Hopkins University Heavy metal multilayers for switching of magnetic unit via electrical current without magnetic field, method and applications
JP2020155488A (ja) * 2019-03-18 2020-09-24 キオクシア株式会社 磁気記憶装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6168578B2 (ja) * 2014-08-08 2017-07-26 国立大学法人東北大学 磁気抵抗効果素子、及び磁気メモリ装置
WO2016159017A1 (ja) 2015-03-31 2016-10-06 国立大学法人東北大学 磁気抵抗効果素子、磁気メモリ装置、製造方法、動作方法、及び集積回路
JP5985728B1 (ja) * 2015-09-15 2016-09-06 株式会社東芝 磁気メモリ
US20170330070A1 (en) * 2016-02-28 2017-11-16 Purdue Research Foundation Spin orbit torque based electronic neuron
JP7267623B2 (ja) 2018-02-13 2023-05-02 国立大学法人東北大学 磁気抵抗効果素子及び磁気メモリ
JP7251811B2 (ja) * 2018-04-18 2023-04-04 国立大学法人東北大学 磁気抵抗効果素子、磁気メモリ装置並びに磁気メモリ装置の書き込み及び読み出し方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170229160A1 (en) * 2016-01-20 2017-08-10 The Johns Hopkins University Heavy metal multilayers for switching of magnetic unit via electrical current without magnetic field, method and applications
JP2020155488A (ja) * 2019-03-18 2020-09-24 キオクシア株式会社 磁気記憶装置

Also Published As

Publication number Publication date
JPWO2022196741A1 (https=) 2022-09-22
KR20230158535A (ko) 2023-11-20
CN116998021A (zh) 2023-11-03
WO2022196741A1 (ja) 2022-09-22
US20240244983A1 (en) 2024-07-18
JP7807091B2 (ja) 2026-01-27

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