JP7081842B2 - スピン起動トルクベースのスイッチング素子の製造方法 - Google Patents
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Description
本出願は、2019年10月16日付の韓国特許出願第10-2019-0128664号及び2020年01月31日付の韓国特許出願第10-2020-0011887号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として組み込まれる。
Claims (3)
- 垂直磁気異方性(perpendicular magnetic anisotropy、PMA)の特性が発現されるタングステン-バナジウム(tungsten-vanadium)合金薄膜を備えるスピントルク発生層を形成するステップと、
前記スピントルク発生層上に磁化自由層を形成するステップとを含み、
前記スピントルク発生層を形成するステップは、
タングステン薄膜を形成するステップと、
前記タングステン薄膜上に前記タングステン-バナジウム合金薄膜を形成するステップと、
250℃~400℃の温度範囲内で熱処理するステップと、を含み、
前記タングステン-バナジウム合金薄膜を形成するステップは、
前記熱処理の温度に応じて予め設定された組成比率で前記タングステン-バナジウム合金薄膜を形成する、スピン軌道トルクベースのスイッチング素子の製造方法。 - 前記タングステン-バナジウム合金薄膜を形成するステップは、
タングステンスパッタリングターゲット及びバナジウムターゲットを用いた同時蒸着法を通じて前記タングステン-バナジウム合金薄膜を形成する、請求項1に記載のスピン軌道トルクベースのスイッチング素子の製造方法。 - 前記タングステン-バナジウム合金薄膜を形成するステップは、
前記熱処理の温度が250℃である場合、バナジウムの組成比率(x)(ここで、xは実数)が20at%≦x≦90at%である前記タングステン-バナジウム合金薄膜を形成し、
前記熱処理の温度が300℃である場合、前記バナジウムの組成比率(x)が0at%<x≦70at%である前記タングステン-バナジウム合金薄膜を形成し、
前記熱処理の温度が400℃である場合、前記バナジウムの組成比率(x)が0at%<x≦30at%である前記タングステン-バナジウム合金薄膜を形成する、請求項1に記載のスピン軌道トルクベースのスイッチング素子の製造方法。
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KR10-2019-0128664 | 2019-10-16 | ||
KR20190128664 | 2019-10-16 | ||
KR1020200011887A KR102298399B1 (ko) | 2019-10-16 | 2020-01-31 | 스핀궤도토크 기반의 스위칭 소자 및 그 제조방법 |
KR10-2020-0011887 | 2020-01-31 |
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JP7081842B2 true JP7081842B2 (ja) | 2022-06-07 |
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US20220165943A1 (en) * | 2020-11-20 | 2022-05-26 | Korea University Research And Business Foundation | Spin-orbit torque (sot)-based magnetic tunnel junction and method of fabricating the same |
DE102021127346A1 (de) * | 2021-10-21 | 2023-04-27 | Infineon Technologies Ag | Magnetfeldsensor, verfahren zu dessen herstellung und verfahren zum messen eines magnetfelds |
CN114184833A (zh) * | 2021-10-27 | 2022-03-15 | 中国科学院微电子研究所 | 自旋霍尔器件、霍尔电压的获取方法及最大池化的方法 |
Citations (5)
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JP2004227621A (ja) | 2003-01-20 | 2004-08-12 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法およびその製造装置 |
JP2017059634A (ja) | 2015-09-15 | 2017-03-23 | 株式会社東芝 | 磁気メモリ |
US20170338021A1 (en) | 2014-10-27 | 2017-11-23 | Brown University | Beta tungsten thin films with giant spin Hall effect for use in compositions and structures with perpendicular magnetic anisotropy |
WO2017208576A1 (ja) | 2016-06-03 | 2017-12-07 | 国立大学法人東北大学 | 磁性積層膜、磁気メモリ素子、磁気メモリ、及びその製造方法 |
US20190295615A1 (en) | 2018-03-23 | 2019-09-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Novel Free Layer Structure in Magnetic Random Access Memory (MRAM) for Mo or W Perpendicular Magnetic Anisotropy (PMA) Enhancing Layer |
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WO2013025994A2 (en) | 2011-08-18 | 2013-02-21 | Cornell University | Spin hall effect magnetic apparatus, method and applications |
US9076954B2 (en) | 2013-08-08 | 2015-07-07 | Samsung Electronics Co., Ltd. | Method and system for providing magnetic memories switchable using spin accumulation and selectable using magnetoelectric devices |
KR101829452B1 (ko) | 2016-01-11 | 2018-02-20 | 한국과학기술원 | 자기 메모리 소자 |
KR102179913B1 (ko) | 2016-09-29 | 2020-11-17 | 삼성전자주식회사 | 자기 메모리 소자 |
JP2018148157A (ja) * | 2017-03-09 | 2018-09-20 | ソニーセミコンダクタソリューションズ株式会社 | 磁気メモリ及び磁気メモリの記録方法 |
WO2019014131A1 (en) * | 2017-07-10 | 2019-01-17 | Everspin Technologies, Inc. | STACK / MAGNETORESISTANCE STRUCTURE |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004227621A (ja) | 2003-01-20 | 2004-08-12 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法およびその製造装置 |
US20170338021A1 (en) | 2014-10-27 | 2017-11-23 | Brown University | Beta tungsten thin films with giant spin Hall effect for use in compositions and structures with perpendicular magnetic anisotropy |
JP2017059634A (ja) | 2015-09-15 | 2017-03-23 | 株式会社東芝 | 磁気メモリ |
WO2017208576A1 (ja) | 2016-06-03 | 2017-12-07 | 国立大学法人東北大学 | 磁性積層膜、磁気メモリ素子、磁気メモリ、及びその製造方法 |
US20190295615A1 (en) | 2018-03-23 | 2019-09-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Novel Free Layer Structure in Magnetic Random Access Memory (MRAM) for Mo or W Perpendicular Magnetic Anisotropy (PMA) Enhancing Layer |
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US20210119117A1 (en) | 2021-04-22 |
EP3809413A1 (en) | 2021-04-21 |
EP3809413C0 (en) | 2023-09-06 |
US11641782B2 (en) | 2023-05-02 |
JP2021064791A (ja) | 2021-04-22 |
EP3809413B1 (en) | 2023-09-06 |
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