CN109300495A - 基于人工反铁磁自由层的磁性结构及sot-mram - Google Patents
基于人工反铁磁自由层的磁性结构及sot-mram Download PDFInfo
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- CN109300495A CN109300495A CN201811088726.XA CN201811088726A CN109300495A CN 109300495 A CN109300495 A CN 109300495A CN 201811088726 A CN201811088726 A CN 201811088726A CN 109300495 A CN109300495 A CN 109300495A
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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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- 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
- G11C11/1673—Reading or sensing circuits or methods
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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
- G11C11/165—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
- G11C11/02—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
- G11C11/1693—Timing circuits or methods
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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
- G11C11/18—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using Hall-effect devices
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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
- 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]
- H01F10/3259—Spin-exchange-coupled multilayers comprising at least a nanooxide layer [NOL], e.g. with a NOL spacer
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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
- H01F10/3268—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
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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
- H01F10/329—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
- 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
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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
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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
-
- 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
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/193—Magnetic semiconductor compounds
- H01F10/1936—Half-metallic, e.g. epitaxial CrO2 or NiMnSb films
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088726.XA CN109300495B (zh) | 2018-09-18 | 2018-09-18 | 基于人工反铁磁自由层的磁性结构及sot-mram |
| US16/575,240 US10734054B2 (en) | 2018-09-18 | 2019-09-18 | Magnetic structure based on synthetic antiferromagnetic free layer and derivative SOT-MRAM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088726.XA CN109300495B (zh) | 2018-09-18 | 2018-09-18 | 基于人工反铁磁自由层的磁性结构及sot-mram |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109300495A true CN109300495A (zh) | 2019-02-01 |
| CN109300495B CN109300495B (zh) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088726.XA Active CN109300495B (zh) | 2018-09-18 | 2018-09-18 | 基于人工反铁磁自由层的磁性结构及sot-mram |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US10734054B2 (zh) |
| CN (1) | CN109300495B (zh) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110021700A (zh) * | 2019-04-24 | 2019-07-16 | 深圳市思品科技有限公司 | 一种多功能自旋电子逻辑门器件 |
| CN110164902A (zh) * | 2019-05-07 | 2019-08-23 | 北京航空航天大学 | 一种多级单元磁存储结构及其读写方法 |
| CN110246960A (zh) * | 2019-06-19 | 2019-09-17 | 中国科学院半导体研究所 | 全电学调控的多功能自旋轨道力矩型器件及制备方法 |
| CN110379917A (zh) * | 2019-06-25 | 2019-10-25 | 西安交通大学 | 一种磁多层结构、磁性结器件和磁性随机存储装置及其辅助写入和直接读取方法 |
| CN111540395A (zh) * | 2020-03-25 | 2020-08-14 | 北京航空航天大学 | 磁性随机存储单元及其数据写入方法 |
| CN111697127A (zh) * | 2020-05-08 | 2020-09-22 | 北京航空航天大学 | 自旋轨道矩磁性器件、磁性隧道结器件及磁存储器 |
| WO2020192207A1 (zh) * | 2019-03-25 | 2020-10-01 | 浙江驰拓科技有限公司 | Mram存储阵列 |
| CN111740011A (zh) * | 2020-06-24 | 2020-10-02 | 中国科学院微电子研究所 | 自旋轨道扭矩磁随机存储单元、存储阵列及存储器 |
| CN112054116A (zh) * | 2020-09-14 | 2020-12-08 | 上海科技大学 | 一种基于iii-v族窄禁带半导体的磁随机存储器 |
| EP3757997A1 (en) * | 2019-06-24 | 2020-12-30 | IMEC vzw | Spintronic device with a synthetic antiferromagnet hybrid storage layer |
| CN112186096A (zh) * | 2019-07-01 | 2021-01-05 | 上海磁宇信息科技有限公司 | 一种磁性随机存储器及其制备方法 |
| CN112186098A (zh) * | 2019-07-02 | 2021-01-05 | 中电海康集团有限公司 | 基于自旋轨道矩的磁性存储器件及sot-mram存储单元 |
| WO2021017902A1 (zh) * | 2019-07-31 | 2021-02-04 | 浙江驰拓科技有限公司 | 自旋轨道矩磁性存储单元及其制备方法 |
| CN112701214A (zh) * | 2020-12-28 | 2021-04-23 | 西安交通大学 | 铁电调控人工反铁磁自由层的自旋轨道矩磁随机存储器 |
| CN112701216A (zh) * | 2020-12-28 | 2021-04-23 | 西安交通大学 | 一种磁多层结构及sot-mram |
| CN112864309A (zh) * | 2019-11-12 | 2021-05-28 | 上海磁宇信息科技有限公司 | 磁性隧道结结构及其磁性随机存储器 |
| CN113314667A (zh) * | 2021-04-14 | 2021-08-27 | 山东大学 | 一种基于sot效应产生偏置的磁性薄膜材料结构 |
| CN113314166A (zh) * | 2021-05-14 | 2021-08-27 | 致真存储(北京)科技有限公司 | 控制钉扎层畴结构在巨/隧穿磁电阻结构实现多态存储的方法及多态存储器 |
| CN114628575A (zh) * | 2020-12-10 | 2022-06-14 | Tdk株式会社 | 磁化旋转元件、磁阻效应元件、磁存储器和自旋轨道转矩配线的制造方法 |
| CN115811930A (zh) * | 2021-09-14 | 2023-03-17 | 浙江驰拓科技有限公司 | 电压调控的sot-mram存储单元及sot-mram存储器 |
| CN116801705A (zh) * | 2023-08-29 | 2023-09-22 | 北京芯可鉴科技有限公司 | 基于压控磁各向异性的存储单元、磁随机存储器 |
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| JP7168231B2 (ja) * | 2018-02-06 | 2022-11-09 | 国立大学法人東北大学 | 磁気抵抗効果素子、回路装置及び回路ユニット |
| US11575083B2 (en) | 2018-04-02 | 2023-02-07 | Intel Corporation | Insertion layer between spin hall effect or spin orbit torque electrode and free magnet for improved magnetic memory |
| US11476412B2 (en) | 2018-06-19 | 2022-10-18 | Intel Corporation | Perpendicular exchange bias with antiferromagnet for spin orbit coupling based memory |
| US11594270B2 (en) * | 2018-09-25 | 2023-02-28 | Intel Corporation | Perpendicular spin injection via spatial modulation of spin orbit coupling |
| KR102518015B1 (ko) * | 2019-01-31 | 2023-04-05 | 삼성전자주식회사 | 자기 저항 메모리 소자 및 그 제조 방법 |
| US11456100B2 (en) * | 2019-05-17 | 2022-09-27 | Taiwan Semiconductor Manufacturing Company Ltd. | MRAM stacks, MRAM devices and methods of forming the same |
| KR102281832B1 (ko) * | 2019-10-23 | 2021-07-26 | 한국과학기술연구원 | 스핀 토크를 이용한 연산 기능 로직 소자 |
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| US11276817B2 (en) | 2020-03-13 | 2022-03-15 | International Business Machines Corporation | Magnetic tunnel junction having tapered all-around structure |
| CN111384235B (zh) * | 2020-03-20 | 2023-05-23 | 河南理工大学 | 一种磁性隧道结及基于磁性隧道结的nsot-mram装置 |
| CN111653664A (zh) * | 2020-04-28 | 2020-09-11 | 北京航空航天大学合肥创新研究院 | 一种磁性存储单元和数据写入方法 |
| US11844287B2 (en) * | 2020-05-20 | 2023-12-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Magnetic tunneling junction with synthetic free layer for SOT-MRAM |
| CN112652701A (zh) * | 2020-11-17 | 2021-04-13 | 河南理工大学 | 一种反铁磁结构及基于反铁磁结构的磁随机存储器 |
| CN112701215B (zh) * | 2020-12-28 | 2023-01-06 | 西安交通大学 | 一种铁电辅助调控人工反铁磁固定层的sot-mram |
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| CN115084250B (zh) * | 2021-03-12 | 2025-10-17 | 东北大学 | 通过电场实现磁矩180度非易失翻转自旋电子器件及应用 |
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| CN113809229B (zh) * | 2021-09-01 | 2023-10-03 | 致真存储(北京)科技有限公司 | 一种自旋轨道矩磁存储器及其制备方法 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060114716A1 (en) * | 2002-10-25 | 2006-06-01 | Tadashi Kai | Magnetoresistance element, magnetic memory, and magnetic head |
| CN103956249A (zh) * | 2014-04-03 | 2014-07-30 | 中国科学院物理研究所 | 一种垂直各向异性人工反铁磁耦合多层膜材料 |
| CN104009151A (zh) * | 2014-05-27 | 2014-08-27 | 中国科学院物理研究所 | 闭合形状的磁性隧道结 |
| CN106025063A (zh) * | 2016-05-19 | 2016-10-12 | 华为技术有限公司 | 磁隧道结以及磁存储器 |
| CN106531884A (zh) * | 2016-12-23 | 2017-03-22 | 中国科学院半导体研究所 | 电压控制磁随机存储单元、存储器及其构成的逻辑器件 |
| CN107689239A (zh) * | 2016-08-05 | 2018-02-13 | 株式会社东芝 | 非易失性存储器 |
| CN108470574A (zh) * | 2017-02-23 | 2018-08-31 | 桑迪士克科技有限责任公司 | 自旋累积扭矩磁阻随机存取存储器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017059593A (ja) * | 2015-09-14 | 2017-03-23 | 株式会社東芝 | 磁気メモリおよびその製造方法 |
| US10559747B1 (en) * | 2016-04-26 | 2020-02-11 | The Johns Hopkins University | Topological insulator-based high efficiency switching of magnetic unit, method and applications |
| US10706903B2 (en) * | 2016-05-31 | 2020-07-07 | Sony Corporation | Nonvolatile memory cell, memory cell unit, and information writing method, and electronic apparatus |
| US11508903B2 (en) * | 2018-06-28 | 2022-11-22 | Intel Corporation | Spin orbit torque device with insertion layer between spin orbit torque electrode and free layer for improved performance |
-
2018
- 2018-09-18 CN CN201811088726.XA patent/CN109300495B/zh active Active
-
2019
- 2019-09-18 US US16/575,240 patent/US10734054B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060114716A1 (en) * | 2002-10-25 | 2006-06-01 | Tadashi Kai | Magnetoresistance element, magnetic memory, and magnetic head |
| CN103956249A (zh) * | 2014-04-03 | 2014-07-30 | 中国科学院物理研究所 | 一种垂直各向异性人工反铁磁耦合多层膜材料 |
| CN104009151A (zh) * | 2014-05-27 | 2014-08-27 | 中国科学院物理研究所 | 闭合形状的磁性隧道结 |
| CN106025063A (zh) * | 2016-05-19 | 2016-10-12 | 华为技术有限公司 | 磁隧道结以及磁存储器 |
| CN107689239A (zh) * | 2016-08-05 | 2018-02-13 | 株式会社东芝 | 非易失性存储器 |
| CN106531884A (zh) * | 2016-12-23 | 2017-03-22 | 中国科学院半导体研究所 | 电压控制磁随机存储单元、存储器及其构成的逻辑器件 |
| CN108470574A (zh) * | 2017-02-23 | 2018-08-31 | 桑迪士克科技有限责任公司 | 自旋累积扭矩磁阻随机存取存储器 |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739567B (zh) * | 2019-03-25 | 2022-06-24 | 中电海康集团有限公司 | Mram存储阵列 |
| CN111739567A (zh) * | 2019-03-25 | 2020-10-02 | 中电海康集团有限公司 | Mram存储阵列 |
| WO2020192207A1 (zh) * | 2019-03-25 | 2020-10-01 | 浙江驰拓科技有限公司 | Mram存储阵列 |
| CN110021700B (zh) * | 2019-04-24 | 2023-12-15 | 香港中文大学(深圳) | 一种多功能自旋电子逻辑门器件 |
| CN110021700A (zh) * | 2019-04-24 | 2019-07-16 | 深圳市思品科技有限公司 | 一种多功能自旋电子逻辑门器件 |
| CN110164902A (zh) * | 2019-05-07 | 2019-08-23 | 北京航空航天大学 | 一种多级单元磁存储结构及其读写方法 |
| CN110164902B (zh) * | 2019-05-07 | 2021-03-09 | 北京航空航天大学 | 一种多级单元磁存储结构及其读写方法 |
| CN110246960A (zh) * | 2019-06-19 | 2019-09-17 | 中国科学院半导体研究所 | 全电学调控的多功能自旋轨道力矩型器件及制备方法 |
| EP3757997A1 (en) * | 2019-06-24 | 2020-12-30 | IMEC vzw | Spintronic device with a synthetic antiferromagnet hybrid storage layer |
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