JP5009622B2 - 磁気エレクトロニクス情報デバイス及び磁気エレクトロニクスランダムアクセスメモリ素子 - Google Patents
磁気エレクトロニクス情報デバイス及び磁気エレクトロニクスランダムアクセスメモリ素子 Download PDFInfo
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- JP5009622B2 JP5009622B2 JP2006532843A JP2006532843A JP5009622B2 JP 5009622 B2 JP5009622 B2 JP 5009622B2 JP 2006532843 A JP2006532843 A JP 2006532843A JP 2006532843 A JP2006532843 A JP 2006532843A JP 5009622 B2 JP5009622 B2 JP 5009622B2
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 177
- 125000006850 spacer group Chemical group 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims abstract description 50
- 238000010168 coupling process Methods 0.000 claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 claims abstract description 50
- 230000005316 antiferromagnetic exchange Effects 0.000 claims abstract description 17
- 230000005294 ferromagnetic effect Effects 0.000 claims description 19
- 230000005293 ferrimagnetic effect Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 90
- 230000005290 antiferromagnetic effect Effects 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000002885 antiferromagnetic material Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910015136 FeMn Inorganic materials 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- WQGXQVPSVRJART-UHFFFAOYSA-N [Mn].[Ir].[Mn].[Ir] Chemical compound [Mn].[Ir].[Mn].[Ir] WQGXQVPSVRJART-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- FQMNUIZEFUVPNU-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co] FQMNUIZEFUVPNU-UHFFFAOYSA-N 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SHMWNGFNWYELHA-UHFFFAOYSA-N iridium manganese Chemical compound [Mn].[Ir] SHMWNGFNWYELHA-UHFFFAOYSA-N 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- IGOJMROYPFZEOR-UHFFFAOYSA-N manganese platinum Chemical compound [Mn].[Pt] IGOJMROYPFZEOR-UHFFFAOYSA-N 0.000 description 1
- GBZQODYDRJQFHG-UHFFFAOYSA-N manganese rhodium Chemical compound [Mn].[Rh] GBZQODYDRJQFHG-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- 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
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Magnetic Record Carriers (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Magnetic Heads (AREA)
Description
下記の本発明の詳細な説明は、事実上単に典型的なものであり、本発明、又は本発明の用途および使用を限定することを目的としていない。更に、前記本発明の背景技術、又は下記の本発明の詳細な説明において示される任意の示された理論または暗示された理論に束縛されない。
Claims (4)
- フリー磁気領域及び固定磁気領域を備えた磁気エレクトロニクス情報デバイスであって、前記フリー磁気領域は、
第1磁気副層、第2磁気副層、並びに該第1磁気副層および該第2磁気副層の間に配置された第1スペーサ層を備える第1多層構造であって、前記第1スペーサ層が、該第1磁気副層および該第2磁気副層の間に第1反強磁性交換結合を提供する前記第1多層構造と、
第3磁気副層、第4磁気副層、並びに該第3磁気副層および該第4磁気副層の間に配置された第2スペーサ層を備える第2多層構造であって、前記第2スペーサ層が、該第3磁気副層および該第4磁気副層の間に第2反強磁性交換結合を提供する前記第2多層構造と、
該第1多層構造および該第2多層構造の間に配置された第3スペーサ層であって、該第1多層構造および該第2多層構造の間に第3反強磁性交換結合を提供する前記第3スペーサ層とを備え、
前記第3反強磁性交換結合の強さは、前記第1反強磁性交換結合の強さ及び前記第2反強磁性交換結合の強さより小さく、
前記固定磁気領域および前記第1磁気副層の間に、前記固定磁気領域及び前記フリー磁気領域を分離するための第4スペーサ層と、
前記フリー磁気領域の近傍に配置されたビット線と、
前記固定磁気領域の近傍に配置されたディジット線とをさらに備える磁気エレクトロニクス情報デバイス。 - 前記第4スペーサ層が誘電体である請求項1に記載の磁気エレクトロニクス情報デバイス。
- 前記第4スペーサ層が導体である請求項1に記載の磁気エレクトロニクス情報デバイス。
- フリー磁気領域および固定磁気領域を備えた磁気エレクトロニクスランダムアクセスメモリ素子であって、前記フリー磁気領域は、
第1強磁性副層、第2強磁性副層、並びに該第1強磁性副層および該第2強磁性副層の間に配置された第1逆平行交換結合スペーサ層を備える第1合成フェリ磁性フリー副層であって、前記第1逆平行交換結合スペーサ層が、該第1強磁性副層および該第2強磁性副層の間に第1逆平行交換結合を提供する前記第1合成フェリ磁性フリー副層と、
第3強磁性副層、第4強磁性副層、並びに該第3強磁性副層および該第4強磁性副層の間に配置された第2逆平行交換結合スペーサ層を備える第2合成フェリ磁性フリー副層であって、前記第2逆平行交換結合スペーサ層が、該第3強磁性副層および該第4強磁性副層の間に第2逆平行交換結合を提供する前記第2合成フェリ磁性フリー副層と、
該第1合成フェリ磁性フリー副層および該第2合成フェリ磁性フリー副層の間に配置された第3逆平行交換結合スペーサ層であって、該第3逆平行交換結合スペーサ層が、該第1合成フェリ磁性フリー副層および該第2合成フェリ磁性フリー副層の間に第3逆平行交換結合を提供する前記第3逆平行交換結合スペーサ層とを備え、
前記第3逆平行交換結合の強さは、前記第1逆平行交換結合の強さ及び前記第2逆平行交換結合の強さより小さく、
前記フリー磁気領域の近傍に配置されたビット線と、
前記固定磁気領域の近傍に配置されたディジット線とをさらに備える磁気エレクトロニクスランダムアクセスメモリ素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/437,831 US6714446B1 (en) | 2003-05-13 | 2003-05-13 | Magnetoelectronics information device having a compound magnetic free layer |
US10/437,831 | 2003-05-13 | ||
PCT/US2004/014252 WO2005006338A2 (en) | 2003-05-13 | 2004-05-07 | Magnetoelectronics information device having a compound magnetic free layer |
Publications (2)
Publication Number | Publication Date |
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JP2007516604A JP2007516604A (ja) | 2007-06-21 |
JP5009622B2 true JP5009622B2 (ja) | 2012-08-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006532843A Expired - Lifetime JP5009622B2 (ja) | 2003-05-13 | 2004-05-07 | 磁気エレクトロニクス情報デバイス及び磁気エレクトロニクスランダムアクセスメモリ素子 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6714446B1 (ja) |
EP (1) | EP1625589B1 (ja) |
JP (1) | JP5009622B2 (ja) |
KR (1) | KR101062160B1 (ja) |
CN (1) | CN100514487C (ja) |
AT (1) | ATE393474T1 (ja) |
DE (1) | DE602004013305D1 (ja) |
WO (1) | WO2005006338A2 (ja) |
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US6956763B2 (en) * | 2003-06-27 | 2005-10-18 | Freescale Semiconductor, Inc. | MRAM element and methods for writing the MRAM element |
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CN112635651A (zh) * | 2019-10-08 | 2021-04-09 | 上海磁宇信息科技有限公司 | 磁性隧道结结构及磁性随机存储器 |
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-
2003
- 2003-05-13 US US10/437,831 patent/US6714446B1/en not_active Expired - Fee Related
-
2004
- 2004-05-07 JP JP2006532843A patent/JP5009622B2/ja not_active Expired - Lifetime
- 2004-05-07 WO PCT/US2004/014252 patent/WO2005006338A2/en active Application Filing
- 2004-05-07 CN CNB2004800108631A patent/CN100514487C/zh not_active Expired - Fee Related
- 2004-05-07 KR KR1020057021545A patent/KR101062160B1/ko not_active IP Right Cessation
- 2004-05-07 AT AT04775950T patent/ATE393474T1/de not_active IP Right Cessation
- 2004-05-07 DE DE602004013305T patent/DE602004013305D1/de not_active Expired - Lifetime
- 2004-05-07 EP EP04775950A patent/EP1625589B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20060009337A (ko) | 2006-01-31 |
CN100514487C (zh) | 2009-07-15 |
WO2005006338A2 (en) | 2005-01-20 |
WO2005006338A3 (en) | 2005-09-09 |
EP1625589B1 (en) | 2008-04-23 |
DE602004013305D1 (de) | 2008-06-05 |
ATE393474T1 (de) | 2008-05-15 |
KR101062160B1 (ko) | 2011-09-05 |
CN1777957A (zh) | 2006-05-24 |
EP1625589A4 (en) | 2007-01-03 |
JP2007516604A (ja) | 2007-06-21 |
EP1625589A2 (en) | 2006-02-15 |
US6714446B1 (en) | 2004-03-30 |
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