JP5832301B2 - 磁気トンネル接合デバイスおよび製造 - Google Patents
磁気トンネル接合デバイスおよび製造 Download PDFInfo
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 23
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 23
- 239000004065 semiconductor Substances 0.000 claims description 15
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
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- 238000000137 annealing Methods 0.000 description 2
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- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
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- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- H10N50/80—Constructional details
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- 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
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
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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
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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]
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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
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- 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
- H01F41/309—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 electroless or electrodeposition processes from plating solution
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- 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
- H01F41/32—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 conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
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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
- H10N50/01—Manufacture or treatment
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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
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- 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
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic 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
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- Condensed Matter Physics & Semiconductors (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Evolutionary Computation (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Description
101 磁気トンネル接合(MTJ)デバイス
102 ビット線アクセス電極
103 シード層
104 反強磁性(AFM)ピン止め層
106 ピン層
108 トンネルバリア層
110 フリー層
112 キャップ層
114 アクセストランジスタ電極
116 アクセストランジスタ
118 ビット線
119 ワード線
120 ソースコンタクト
122 読み出し動作
124 磁気モーメント
125 磁気モーメント
126 基板
130 ドレイン領域
132 ソース領域
140 距離d1
142 距離d2
190 金属部分
192 酸化された金属部分
200 メモリシステム
202 トップコンタクト
203 シード層
204 反強磁性(AFM)ピン止め層
206 ピン層
208 トンネルバリア層
210 フリー層
212 キャップ層
218 ボトムコンタクト
222 ビット線
224 磁気モーメント
225 磁気モーメント
228 アクセストランジスタ
230 ワード線
232 ソース線
280 メモリアレイ
282 メモリセル
284 センスアンプ
286 アンプ出力
290 第1の材料の第1の層
292 第2の材料の第2の層
294 第3の層
500 製造プロセス
502 物理的なデバイス情報
504 ユーザーインターフェイス
506 研究用コンピュータ
508 プロセッサ
510 メモリ
512 ライブラリファイル
514 設計用コンピュータ
516 プロセッサ
518 メモリ
520 EDAツール
522 回路設計情報
524 ユーザーインターフェイス
526 GDSIIファイル
528 製造プロセス
530 マスク製造機
532 マスク
534 ウェハ
536 ダイ
538 パッケージングプロセス
540 パッケージ
542 PCB設計情報
544 ユーザーインターフェイス
546 コンピュータ
548 プロセッサ
550 メモリ
552 GERBERファイル
554 基板組み立てプロセス
556 PCB
558 プリント回路アセンブリ(PCA)
560 製品製造プロセス
562 電子機器
564 電子機器
Claims (16)
- 磁気トンネル接合デバイスであって、
フリー層と、
前記フリー層に隣接するバリア層と、
前記フリー層に隣接するキャップ層であって、第1の材料の第1の層と第2の材料の第2の層とバッファ層とを含むキャップ層と、を備え、
前記第1の層が、前記フリー層から第1の距離に位置し、前記第2の層が、前記フリー層から第2の距離に位置し、前記第2の距離が前記第1の距離よりも長く、
前記第1の材料は大部分がマグネシウムであり、前記第2の材料は大部分が酸化マグネシウムであり、
前記バッファ層が前記第1の層と前記フリー層との間に位置し、前記フリー層に隣接し、実質的に非磁性の金属材料の層を含む、
磁気トンネル接合デバイス
を備える、装置。 - 前記バリア層が、前記フリー層の第1の側に隣接し、前記キャップ層が、前記フリー層に関して前記第1の側と反対側の、前記フリー層の第2の側に隣接する、請求項1に記載の装置。
- 少なくとも1つの半導体ダイに組み込まれた、請求項1に記載の装置。
- 前記磁気トンネル接合デバイスを含むメモリアレイをさらに備える、請求項1に記載の装置。
- セットトップボックス、音楽プレーヤー、ビデオプレーヤー、娯楽装置、ナビゲーション機器、通信機器、携帯情報端末(PDA)、固定位置データユニット、およびコンピュータからなる群から選択される機器をさらに備え、前記メモリアレイが前記機器に組み込まれる、請求項4に記載の装置。
- 傾斜層が前記第1の層と前記第2の層との間に位置する、請求項1に記載の装置。
- 磁気トンネル接合デバイスであって、
フリー層と、
前記フリー層に隣接するバリア層と、
前記フリー層に隣接するキャップ層と、を備える磁気トンネル接合デバイス
を備え、
前記キャップ層は、
第1の材料の第1の層と、
第2の材料の第2の層であって、前記第1の層が前記フリー層から第1の距離に位置し、前記第2の層が前記フリー層から第2の距離に位置し、前記第2の距離が前記第1の距離よりも大きい、第2の層と、
前記第1の層と前記第2の層との間の傾斜層と、
前記第1の層と前記フリー層との間に位置し、前記フリー層に隣接し、実質的に非磁性の金属材料の層を含むバッファ層と、
を備え、
前記第1の材料は大部分がマグネシウムであり、前記第2の材料は大部分が酸化マグネシウムである、装置。 - 前記バリア層が前記フリー層の第1の側に隣接し、前記キャップ層が前記フリー層の第2の側に隣接し、前記第2の側が前記フリー層に関して前記第1の側の反対側に位置する、請求項7に記載の装置。
- 磁気トンネル接合デバイスが少なくとも1つの半導体ダイに組み込まれた、請求項7に記載の装置。
- 前記磁気トンネル接合デバイスを含むメモリアレイをさらに備える、請求項7に記載の装置。
- セットトップボックス、音楽プレーヤー、ビデオプレーヤー、娯楽装置、ナビゲーション機器、通信機器、携帯情報端末(PDA)、固定位置データユニット、およびコンピュータからなる群から選択される機器をさらに備え、前記メモリアレイが前記機器に組み込まれる、請求項10に記載の装置。
- 磁気トンネル接合デバイスであって、
フリー層と、
前記フリー層に隣接するバリア層と、
前記フリー層に隣接するキャップ層と、を備える磁気トンネル接合デバイス
を備え、
前記キャップ層は、
第1の材料の第1の層と、
第2の材料の第2の層と、
前記第1の層と前記フリー層との間に位置し、前記フリー層に隣接し、実質的に非磁性の金属材料の層を含むバッファ層と、
を備え、
前記第1の材料は大部分がマグネシウムであり、前記第2の材料は大部分が酸化マグネシウムである、装置。 - 前記バリア層が前記フリー層の第1の側に隣接し、前記キャップ層が前記フリー層の第2の側に隣接し、前記第2の側が前記フリー層に関して前記第1の側の反対側に位置する、請求項12に記載の装置。
- 磁気トンネル接合デバイスが少なくとも1つの半導体ダイに組み込まれた、請求項12に記載の装置。
- 前記磁気トンネル接合デバイスを含むメモリアレイをさらに備える、請求項12に記載の装置。
- セットトップボックス、音楽プレーヤー、ビデオプレーヤー、娯楽装置、ナビゲーション機器、通信機器、携帯情報端末(PDA)、固定位置データユニット、およびコンピュータからなる群から選択される機器をさらに備え、前記メモリアレイが前記機器に組み込まれる、請求項15に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/396,359 | 2009-03-02 | ||
US12/396,359 US8120126B2 (en) | 2009-03-02 | 2009-03-02 | Magnetic tunnel junction device and fabrication |
PCT/US2010/025837 WO2010101862A1 (en) | 2009-03-02 | 2010-03-02 | Magnetic tunnel junction device and fabrication |
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JP2014085713A Division JP5795659B2 (ja) | 2009-03-02 | 2014-04-17 | 磁気トンネル接合デバイスおよび製造 |
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JP2012518910A JP2012518910A (ja) | 2012-08-16 |
JP5832301B2 true JP5832301B2 (ja) | 2015-12-16 |
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JP2014085713A Expired - Fee Related JP5795659B2 (ja) | 2009-03-02 | 2014-04-17 | 磁気トンネル接合デバイスおよび製造 |
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Country Status (7)
Country | Link |
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US (3) | US8120126B2 (ja) |
EP (1) | EP2404332B1 (ja) |
JP (2) | JP5832301B2 (ja) |
KR (1) | KR101251363B1 (ja) |
CN (1) | CN102334207B (ja) |
TW (1) | TW201115802A (ja) |
WO (1) | WO2010101862A1 (ja) |
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US8120126B2 (en) * | 2009-03-02 | 2012-02-21 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
US8238143B2 (en) * | 2009-12-15 | 2012-08-07 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
US8446753B2 (en) * | 2010-03-25 | 2013-05-21 | Qualcomm Incorporated | Reference cell write operations at a memory |
US8441850B2 (en) * | 2010-10-08 | 2013-05-14 | Qualcomm Incorporated | Magnetic random access memory (MRAM) layout with uniform pattern |
US8557610B2 (en) * | 2011-02-14 | 2013-10-15 | Qualcomm Incorporated | Methods of integrated shielding into MTJ device for MRAM |
JP2012235015A (ja) * | 2011-05-06 | 2012-11-29 | Sony Corp | 記憶素子及び記憶装置 |
US8928100B2 (en) | 2011-06-24 | 2015-01-06 | International Business Machines Corporation | Spin transfer torque cell for magnetic random access memory |
US8493695B1 (en) * | 2011-06-28 | 2013-07-23 | Western Digital (Fremont), Llc | Method and system for providing a magnetic read transducer having an improved signal to noise ratio |
US8422176B1 (en) * | 2011-11-15 | 2013-04-16 | Western Digital (Fremont), Llc | Method and system for providing a magnetic read transducer having a bilayer magnetic seed layer |
WO2014022304A1 (en) * | 2012-07-30 | 2014-02-06 | The Regents Of The University Of California | Multiple-bits-per-cell voltage-controlled magnetic memory |
US9178136B2 (en) * | 2012-08-16 | 2015-11-03 | Taiwan Semiconductor Manufacturing Company, Ltd. | Magnetoresistive random access memory cell and fabricating the same |
CN102928651A (zh) * | 2012-11-26 | 2013-02-13 | 王建国 | Tmr电流传感器 |
US9379315B2 (en) * | 2013-03-12 | 2016-06-28 | Micron Technology, Inc. | Memory cells, methods of fabrication, semiconductor device structures, and memory systems |
KR102054819B1 (ko) * | 2013-05-22 | 2019-12-11 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
KR102025256B1 (ko) | 2013-07-25 | 2019-09-26 | 에스케이하이닉스 주식회사 | 전자 장치 및 그 제조 방법 |
US9461242B2 (en) * | 2013-09-13 | 2016-10-04 | Micron Technology, Inc. | Magnetic memory cells, methods of fabrication, semiconductor devices, memory systems, and electronic systems |
US9608197B2 (en) | 2013-09-18 | 2017-03-28 | Micron Technology, Inc. | Memory cells, methods of fabrication, and semiconductor devices |
US10454024B2 (en) | 2014-02-28 | 2019-10-22 | Micron Technology, Inc. | Memory cells, methods of fabrication, and memory devices |
US20150279904A1 (en) * | 2014-04-01 | 2015-10-01 | Spin Transfer Technologies, Inc. | Magnetic tunnel junction for mram device |
US9281466B2 (en) | 2014-04-09 | 2016-03-08 | Micron Technology, Inc. | Memory cells, semiconductor structures, semiconductor devices, and methods of fabrication |
US9269888B2 (en) | 2014-04-18 | 2016-02-23 | Micron Technology, Inc. | Memory cells, methods of fabrication, and semiconductor devices |
US10073655B2 (en) * | 2014-09-03 | 2018-09-11 | Hitachi, Ltd. | Semiconductor integrated circuit apparatus |
KR20170048327A (ko) * | 2014-09-03 | 2017-05-08 | 인텔 코포레이션 | 내부의 자기층에 변형을 유도하기 위한 계면을 갖는 스핀 전달 토크 메모리 및 로직 디바이스 |
CN104393169B (zh) * | 2014-10-10 | 2017-01-25 | 北京航空航天大学 | 一种无需外部磁场的自旋轨道动量矩磁存储器 |
US9349945B2 (en) * | 2014-10-16 | 2016-05-24 | Micron Technology, Inc. | Memory cells, semiconductor devices, and methods of fabrication |
KR102268187B1 (ko) | 2014-11-10 | 2021-06-24 | 삼성전자주식회사 | 자기 기억 소자 및 그 제조 방법 |
US9768377B2 (en) | 2014-12-02 | 2017-09-19 | Micron Technology, Inc. | Magnetic cell structures, and methods of fabrication |
KR102376480B1 (ko) * | 2014-12-17 | 2022-03-21 | 삼성전자주식회사 | 자기 메모리 장치 및 그의 형성방법 |
KR20160073851A (ko) | 2014-12-17 | 2016-06-27 | 에스케이하이닉스 주식회사 | 전자 장치 및 그 제조 방법 |
US10439131B2 (en) | 2015-01-15 | 2019-10-08 | Micron Technology, Inc. | Methods of forming semiconductor devices including tunnel barrier materials |
CN104659202A (zh) * | 2015-02-13 | 2015-05-27 | 西南应用磁学研究所 | 提高隧道结薄膜磁电阻效应的制备方法 |
WO2016148394A1 (ko) * | 2015-03-18 | 2016-09-22 | 한양대학교 산학협력단 | 메모리 소자 |
KR101698532B1 (ko) * | 2015-03-18 | 2017-01-20 | 한양대학교 산학협력단 | 메모리 소자 |
WO2016148395A1 (ko) * | 2015-03-18 | 2016-09-22 | 한양대학교 산학협력단 | 메모리 소자 |
KR101721618B1 (ko) * | 2015-03-18 | 2017-03-30 | 한양대학교 산학협력단 | 메모리 소자 |
US10580964B2 (en) | 2015-03-18 | 2020-03-03 | Industry-University Cooperation Foundation Hanyang University | Memory device |
US10468590B2 (en) | 2015-04-21 | 2019-11-05 | Spin Memory, Inc. | High annealing temperature perpendicular magnetic anisotropy structure for magnetic random access memory |
US9728712B2 (en) | 2015-04-21 | 2017-08-08 | Spin Transfer Technologies, Inc. | Spin transfer torque structure for MRAM devices having a spin current injection capping layer |
US9853206B2 (en) | 2015-06-16 | 2017-12-26 | Spin Transfer Technologies, Inc. | Precessional spin current structure for MRAM |
US9773974B2 (en) | 2015-07-30 | 2017-09-26 | Spin Transfer Technologies, Inc. | Polishing stop layer(s) for processing arrays of semiconductor elements |
KR102397904B1 (ko) * | 2015-09-17 | 2022-05-13 | 삼성전자주식회사 | 낮은 보론 농도를 갖는 영역 및 높은 보론 농도를 갖는 영역을 포함하는 자유 층, 자기 저항 셀, 및 자기 저항 메모리 소자, 및 그 제조 방법 |
KR101642955B1 (ko) | 2015-11-06 | 2016-07-26 | 이정미 | 비계용 접이식 해치 |
US9741926B1 (en) | 2016-01-28 | 2017-08-22 | Spin Transfer Technologies, Inc. | Memory cell having magnetic tunnel junction and thermal stability enhancement layer |
CN105633111B (zh) * | 2016-03-08 | 2018-09-21 | 华中科技大学 | 一种电场辅助写入型磁隧道结单元及其写入方法 |
US10032828B2 (en) | 2016-07-01 | 2018-07-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor memory device and method for fabricating the same |
KR102511914B1 (ko) * | 2016-08-04 | 2023-03-21 | 삼성전자주식회사 | 자기 기억 소자 및 이의 제조 방법 |
WO2018118091A1 (en) * | 2016-12-23 | 2018-06-28 | Intel Corporation | Magneto-electric spin orbit (meso) structures having functional oxide vias |
US10665777B2 (en) | 2017-02-28 | 2020-05-26 | Spin Memory, Inc. | Precessional spin current structure with non-magnetic insertion layer for MRAM |
US10672976B2 (en) | 2017-02-28 | 2020-06-02 | Spin Memory, Inc. | Precessional spin current structure with high in-plane magnetization for MRAM |
WO2018182644A1 (en) * | 2017-03-30 | 2018-10-04 | Intel Corporation | Spintronic memory with low oxygen precipitation |
WO2018182642A1 (en) * | 2017-03-30 | 2018-10-04 | Intel Corporation | Spintronic memory with low resistance cap layer |
US10276779B2 (en) * | 2017-08-28 | 2019-04-30 | Taiwan Semiconductor Manufacturing Co., Ltd. | Top electrode cap structure for embedded memory |
KR102470367B1 (ko) * | 2017-11-24 | 2022-11-24 | 삼성전자주식회사 | 자기 저항 메모리 소자의 제조 방법 |
US10522745B2 (en) * | 2017-12-14 | 2019-12-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Low resistance MgO capping layer for perpendicularly magnetized magnetic tunnel junctions |
KR102514506B1 (ko) | 2017-12-19 | 2023-03-29 | 삼성전자주식회사 | 자기 메모리 장치 및 그 제조 방법 |
US10236048B1 (en) | 2017-12-29 | 2019-03-19 | Spin Memory, Inc. | AC current write-assist in orthogonal STT-MRAM |
US10270027B1 (en) | 2017-12-29 | 2019-04-23 | Spin Memory, Inc. | Self-generating AC current assist in orthogonal STT-MRAM |
US10236047B1 (en) | 2017-12-29 | 2019-03-19 | Spin Memory, Inc. | Shared oscillator (STNO) for MRAM array write-assist in orthogonal STT-MRAM |
US10360961B1 (en) | 2017-12-29 | 2019-07-23 | Spin Memory, Inc. | AC current pre-charge write-assist in orthogonal STT-MRAM |
US10199083B1 (en) | 2017-12-29 | 2019-02-05 | Spin Transfer Technologies, Inc. | Three-terminal MRAM with ac write-assist for low read disturb |
US10229724B1 (en) | 2017-12-30 | 2019-03-12 | Spin Memory, Inc. | Microwave write-assist in series-interconnected orthogonal STT-MRAM devices |
US10339993B1 (en) | 2017-12-30 | 2019-07-02 | Spin Memory, Inc. | Perpendicular magnetic tunnel junction device with skyrmionic assist layers for free layer switching |
US10255962B1 (en) | 2017-12-30 | 2019-04-09 | Spin Memory, Inc. | Microwave write-assist in orthogonal STT-MRAM |
US10319900B1 (en) | 2017-12-30 | 2019-06-11 | Spin Memory, Inc. | Perpendicular magnetic tunnel junction device with precessional spin current layer having a modulated moment density |
US10141499B1 (en) | 2017-12-30 | 2018-11-27 | Spin Transfer Technologies, Inc. | Perpendicular magnetic tunnel junction device with offset precessional spin current layer |
US10236439B1 (en) | 2017-12-30 | 2019-03-19 | Spin Memory, Inc. | Switching and stability control for perpendicular magnetic tunnel junction device |
US10468588B2 (en) | 2018-01-05 | 2019-11-05 | Spin Memory, Inc. | Perpendicular magnetic tunnel junction device with skyrmionic enhancement layers for the precessional spin current magnetic layer |
US10665773B2 (en) | 2018-01-26 | 2020-05-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Nitride capping layer for spin torque transfer (STT)-magnetoresistive random access memory (MRAM) |
US10580827B1 (en) | 2018-11-16 | 2020-03-03 | Spin Memory, Inc. | Adjustable stabilizer/polarizer method for MRAM with enhanced stability and efficient switching |
US10950782B2 (en) | 2019-02-14 | 2021-03-16 | Headway Technologies, Inc. | Nitride diffusion barrier structure for spintronic applications |
US10832750B2 (en) * | 2019-02-22 | 2020-11-10 | Sandisk Technologies Llc | Perpendicular spin transfer torque MRAM memory cell with cap layer to achieve lower current density and increased write margin |
US11264566B2 (en) | 2019-06-21 | 2022-03-01 | Headway Technologies, Inc. | Magnetic element with perpendicular magnetic anisotropy (PMA) and improved coercivity field (Hc)/switching current ratio |
US11264560B2 (en) | 2019-06-21 | 2022-03-01 | Headway Technologies, Inc. | Minimal thickness, low switching voltage magnetic free layers using an oxidation control layer and magnetic moment tuning layer for spintronic applications |
US10923652B2 (en) | 2019-06-21 | 2021-02-16 | Applied Materials, Inc. | Top buffer layer for magnetic tunnel junction application |
KR102657361B1 (ko) | 2019-07-05 | 2024-04-17 | 삼성전자주식회사 | 자기 메모리 장치 |
US11522126B2 (en) * | 2019-10-14 | 2022-12-06 | Applied Materials, Inc. | Magnetic tunnel junctions with protection layers |
CN112864315B (zh) * | 2019-11-27 | 2022-09-20 | 浙江驰拓科技有限公司 | Mtj器件的制作方法 |
US11698423B2 (en) * | 2020-08-12 | 2023-07-11 | Taiwan Semiconductor Manufacturing Co., Ltd. | Magnetic tunnel junction device and method |
JP2022143371A (ja) * | 2021-03-17 | 2022-10-03 | キオクシア株式会社 | 磁気記憶装置 |
CN115595541B (zh) * | 2021-06-28 | 2024-07-19 | 北京超弦存储器研究院 | 一种可基于溅射功率调整ra值原理的隧穿磁电阻和磁性随机存储器的制备方法 |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4400037B2 (ja) * | 2002-10-31 | 2010-01-20 | 日本電気株式会社 | 磁気ランダムアクセスメモリ,及びその製造方法 |
KR100490652B1 (ko) | 2002-12-30 | 2005-05-24 | 주식회사 하이닉스반도체 | 강유전체 메모리 소자의 제조방법 |
KR100500455B1 (ko) | 2003-08-11 | 2005-07-18 | 삼성전자주식회사 | 산화된 버퍼층을 갖는 자기터널 접합 구조체 및 그 제조방법 |
US7009877B1 (en) | 2003-11-14 | 2006-03-07 | Grandis, Inc. | Three-terminal magnetostatically coupled spin transfer-based MRAM cell |
US7252852B1 (en) * | 2003-12-12 | 2007-08-07 | International Business Machines Corporation | Mg-Zn oxide tunnel barriers and method of formation |
JP2005268251A (ja) | 2004-03-16 | 2005-09-29 | Yamaha Corp | トンネル接合素子と複合酸化膜の形成方法 |
US7088609B2 (en) | 2004-05-11 | 2006-08-08 | Grandis, Inc. | Spin barrier enhanced magnetoresistance effect element and magnetic memory using the same |
US7122852B2 (en) * | 2004-05-12 | 2006-10-17 | Headway Technologies, Inc. | Structure/method to fabricate a high performance magnetic tunneling junction MRAM |
US7611912B2 (en) * | 2004-06-30 | 2009-11-03 | Headway Technologies, Inc. | Underlayer for high performance magnetic tunneling junction MRAM |
US7300711B2 (en) | 2004-10-29 | 2007-11-27 | International Business Machines Corporation | Magnetic tunnel junctions with high tunneling magnetoresistance using non-bcc magnetic materials |
US7819979B1 (en) * | 2005-01-31 | 2010-10-26 | Western Digital (Fremont), Llc | Method and system for cleaning magnetic artifacts using a carbonyl reactive ion etch |
JP4533807B2 (ja) * | 2005-06-23 | 2010-09-01 | 株式会社東芝 | 磁気抵抗効果素子及び磁気ランダムアクセスメモリ |
US7770282B2 (en) * | 2005-09-01 | 2010-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Method of making a magnetic sensing device having an insulator structure |
JP2007103471A (ja) | 2005-09-30 | 2007-04-19 | Sony Corp | 記憶素子及びメモリ |
US7780820B2 (en) | 2005-11-16 | 2010-08-24 | Headway Technologies, Inc. | Low resistance tunneling magnetoresistive sensor with natural oxidized double MgO barrier |
US7880249B2 (en) * | 2005-11-30 | 2011-02-01 | Magic Technologies, Inc. | Spacer structure in MRAM cell and method of its fabrication |
JP5040105B2 (ja) | 2005-12-01 | 2012-10-03 | ソニー株式会社 | 記憶素子、メモリ |
US7479394B2 (en) * | 2005-12-22 | 2009-01-20 | Magic Technologies, Inc. | MgO/NiFe MTJ for high performance MRAM application |
US7430135B2 (en) | 2005-12-23 | 2008-09-30 | Grandis Inc. | Current-switched spin-transfer magnetic devices with reduced spin-transfer switching current density |
JP4997789B2 (ja) | 2006-02-23 | 2012-08-08 | Tdk株式会社 | 磁気メモリ |
US8058696B2 (en) | 2006-02-25 | 2011-11-15 | Avalanche Technology, Inc. | High capacity low cost multi-state magnetic memory |
US7528457B2 (en) * | 2006-04-14 | 2009-05-05 | Magic Technologies, Inc. | Method to form a nonmagnetic cap for the NiFe(free) MTJ stack to enhance dR/R |
US7535069B2 (en) * | 2006-06-14 | 2009-05-19 | International Business Machines Corporation | Magnetic tunnel junction with enhanced magnetic switching characteristics |
JP2008010745A (ja) | 2006-06-30 | 2008-01-17 | Fujitsu Ltd | 磁気抵抗効果素子、その製造方法、および磁気記憶装置 |
JP2008098523A (ja) * | 2006-10-13 | 2008-04-24 | Toshiba Corp | 磁気抵抗効果素子および磁気メモリ |
US20080133551A1 (en) * | 2006-11-30 | 2008-06-05 | Ava Mobile, Inc. | System, method, and computer program product for managing rights of media in collaborative environments |
US7598579B2 (en) | 2007-01-30 | 2009-10-06 | Magic Technologies, Inc. | Magnetic tunnel junction (MTJ) to reduce spin transfer magnetization switching current |
TWI330366B (en) * | 2007-02-07 | 2010-09-11 | Ind Tech Res Inst | Magnetic memory device |
JP2008263031A (ja) | 2007-04-11 | 2008-10-30 | Toshiba Corp | 磁気抵抗効果素子とその製造方法、磁気抵抗効果素子を備えた磁気記憶装置とその製造方法 |
US7629182B2 (en) * | 2007-04-17 | 2009-12-08 | Freescale Semiconductor, Inc. | Space and process efficient MRAM and method |
US7750421B2 (en) * | 2007-07-23 | 2010-07-06 | Magic Technologies, Inc. | High performance MTJ element for STT-RAM and method for making the same |
TWI492367B (zh) * | 2007-12-03 | 2015-07-11 | Renesas Electronics Corp | Cmos半導體裝置之製造方法 |
US7723128B2 (en) * | 2008-02-18 | 2010-05-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | In-situ formed capping layer in MTJ devices |
US9159910B2 (en) * | 2008-04-21 | 2015-10-13 | Qualcomm Incorporated | One-mask MTJ integration for STT MRAM |
US8238681B2 (en) * | 2008-11-25 | 2012-08-07 | Nokia Corporation | Adaptive configuration of windows-of-interest for accurate and robust focusing in multispot autofocus cameras |
US8519495B2 (en) * | 2009-02-17 | 2013-08-27 | Seagate Technology Llc | Single line MRAM |
US8120126B2 (en) | 2009-03-02 | 2012-02-21 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
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