JPWO2022265058A5 - - Google Patents
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- Publication number
- JPWO2022265058A5 JPWO2022265058A5 JP2023530392A JP2023530392A JPWO2022265058A5 JP WO2022265058 A5 JPWO2022265058 A5 JP WO2022265058A5 JP 2023530392 A JP2023530392 A JP 2023530392A JP 2023530392 A JP2023530392 A JP 2023530392A JP WO2022265058 A5 JPWO2022265058 A5 JP WO2022265058A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- nonmagnetic
- laminated film
- ferromagnetic
- magnetic laminated
- 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.)
- Pending
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- 239000010410 layer Substances 0.000 claims description 313
- 230000005294 ferromagnetic effect Effects 0.000 claims description 68
- 230000005291 magnetic effect Effects 0.000 claims description 63
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 42
- 230000008878 coupling Effects 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 239000000956 alloy Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 230000004888 barrier function Effects 0.000 claims description 17
- 230000005415 magnetization Effects 0.000 claims description 17
- 238000009812 interlayer coupling reaction Methods 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 229910052715 tantalum Inorganic materials 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 229910000914 Mn alloy Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021099796 | 2021-06-15 | ||
| PCT/JP2022/024040 WO2022265058A1 (ja) | 2021-06-15 | 2022-06-15 | 磁性積層膜及び磁気抵抗効果素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022265058A1 JPWO2022265058A1 (https=) | 2022-12-22 |
| JPWO2022265058A5 true JPWO2022265058A5 (https=) | 2024-03-18 |
Family
ID=84527559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023530392A Pending JPWO2022265058A1 (https=) | 2021-06-15 | 2022-06-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250031581A1 (https=) |
| JP (1) | JPWO2022265058A1 (https=) |
| KR (1) | KR20240021190A (https=) |
| CN (1) | CN117480619A (https=) |
| WO (1) | WO2022265058A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240321333A1 (en) * | 2023-03-24 | 2024-09-26 | Samsung Electronics Co., Ltd. | Magnetic tunneling junction device capable of magnetic switching without external magnetic field and memory device including the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9245608B2 (en) * | 2011-09-22 | 2016-01-26 | Qualcomm Incorporated | Thermally tolerant perpendicular magnetic anisotropy coupled elements for spin-transfer torque switching device |
| 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 |
| US10461242B2 (en) * | 2017-12-30 | 2019-10-29 | Spin Memory, Inc. | Antiferromagnetic exchange coupling enhancement in perpendicular magnetic tunnel junction stacks for magnetic random access memory applications |
| WO2019155957A1 (ja) * | 2018-02-06 | 2019-08-15 | 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 |
| 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 |
| JP7211252B2 (ja) * | 2018-05-16 | 2023-01-24 | Tdk株式会社 | スピン軌道トルク型磁化回転素子、スピン軌道トルク型磁気抵抗効果素子及び磁気メモリ |
-
2022
- 2022-06-15 US US18/569,910 patent/US20250031581A1/en active Pending
- 2022-06-15 CN CN202280042206.3A patent/CN117480619A/zh active Pending
- 2022-06-15 WO PCT/JP2022/024040 patent/WO2022265058A1/ja not_active Ceased
- 2022-06-15 KR KR1020237044389A patent/KR20240021190A/ko active Pending
- 2022-06-15 JP JP2023530392A patent/JPWO2022265058A1/ja active Pending
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