JP2005019990A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2005019990A5 JP2005019990A5 JP2004180612A JP2004180612A JP2005019990A5 JP 2005019990 A5 JP2005019990 A5 JP 2005019990A5 JP 2004180612 A JP2004180612 A JP 2004180612A JP 2004180612 A JP2004180612 A JP 2004180612A JP 2005019990 A5 JP2005019990 A5 JP 2005019990A5
- Authority
- JP
- Japan
- Prior art keywords
- ferromagnetic
- film
- layer
- contact
- magnetization direction
- 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
Links
Claims (2)
- 基板と、
前記基板上に形成され、かつ、印加磁界がないときに好適な方向に固定された磁化方向を有する強磁性固定層と、
前記強磁性固定層と接触した非磁性金属導電性スペーサ層と、
前記非磁性金属導電性スペーサ層と接触し、かつ、前記強磁性固定層の前記磁化方向に対して自由に回転する磁化方向を有する強磁性自由層と、を有し、
前記強磁性固定層および前記強磁性自由層の少なくとも一方は、
反強磁性的に結合された第1の強磁性膜および第2の強磁性膜と、
前記第1の強磁性膜および第2の強磁性膜の間で接触するように配置された反強磁性
結合膜と、を有し、
前記反強磁性結合膜は、前記第1の強磁性膜および第2の強磁性膜がそれらの磁気モーメントが反平行を向いた状態で結合するのに十分な膜厚を有し、
前記反強磁性結合膜は、本質的にRuおよびFeからなる材料から形成され、かつ、Ru 100−x Fe x の組成を有し、xは、約10原子パーセントと約60原子パーセントの間にあることを特徴とする磁気抵抗効果スピン・バルブ・センサ。 - 基板と、
前記基板上に形成され、かつ、印加磁界がないときに好適な方向に固定された磁化方向を有する強磁性固定層と、
前記強磁性固定層と接触したトンネル・バリア絶縁層と、
前記強磁性固定層の前記磁化方向に対して自由に回転する磁化方向を有し、かつ、前記トンネル・バリア絶縁層と接触した強磁性検知層と、を有し、
前記強磁性固定層および強磁性検知層の少なくとも一方は、
反強磁性的に結合された第1の強磁性膜および第2の強磁性膜と、
前記第1の強磁性膜および第2の強磁性膜の間で接触するように配置された反強磁性
結合膜と、を有し、
前記反強磁性結合膜は、前記第1の強磁性膜および第2の強磁性膜がそれらの磁気モーメントが反平行を向いた状態で結合するのに十分な膜厚を有し、
前記反強磁性結合膜は、本質的にRuおよびFeからなる材料から形成され、かつ、Ru 100−x Fe x の組成を有し、xは、約10原子パーセントと約60原子パーセントの間にあることを特徴とする磁気トンネル接合装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/602,504 US6893741B2 (en) | 2003-06-24 | 2003-06-24 | Magnetic device with improved antiferromagnetically coupling film |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005019990A JP2005019990A (ja) | 2005-01-20 |
JP2005019990A5 true JP2005019990A5 (ja) | 2007-07-26 |
Family
ID=33418633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004180612A Pending JP2005019990A (ja) | 2003-06-24 | 2004-06-18 | 改良された反強磁性結合膜を有する磁気装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6893741B2 (ja) |
EP (1) | EP1492134B1 (ja) |
JP (1) | JP2005019990A (ja) |
KR (1) | KR20050001361A (ja) |
CN (1) | CN1573946A (ja) |
DE (1) | DE602004007986T2 (ja) |
MY (1) | MY134560A (ja) |
SG (1) | SG117500A1 (ja) |
TW (1) | TW200501084A (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7323215B2 (en) * | 2004-05-14 | 2008-01-29 | Headway Technologies, Inc. | Free layer design for CPP GMR enhancement |
US7576956B2 (en) * | 2004-07-26 | 2009-08-18 | Grandis Inc. | Magnetic tunnel junction having diffusion stop layer |
US7390530B2 (en) * | 2004-11-30 | 2008-06-24 | Headway Technologies, Inc. | Structure and process for composite free layer in CPP GMR device |
US7382590B2 (en) * | 2005-01-31 | 2008-06-03 | Hitachi Global Storage Technologies Netherlands B.V. | MR sensor and thin film media having alloyed Ru antiparallel spacer layer for enhanced antiparallel exchange coupling |
US7777261B2 (en) * | 2005-09-20 | 2010-08-17 | Grandis Inc. | Magnetic device having stabilized free ferromagnetic layer |
US7973349B2 (en) * | 2005-09-20 | 2011-07-05 | Grandis Inc. | Magnetic device having multilayered free ferromagnetic layer |
US7859034B2 (en) * | 2005-09-20 | 2010-12-28 | Grandis Inc. | Magnetic devices having oxide antiferromagnetic layer next to free ferromagnetic layer |
US7430135B2 (en) * | 2005-12-23 | 2008-09-30 | Grandis Inc. | Current-switched spin-transfer magnetic devices with reduced spin-transfer switching current density |
US20070246787A1 (en) * | 2006-03-29 | 2007-10-25 | Lien-Chang Wang | On-plug magnetic tunnel junction devices based on spin torque transfer switching |
US7851840B2 (en) * | 2006-09-13 | 2010-12-14 | Grandis Inc. | Devices and circuits based on magnetic tunnel junctions utilizing a multilayer barrier |
JP2008204539A (ja) * | 2007-02-20 | 2008-09-04 | Fujitsu Ltd | 垂直磁気記録媒体およびその製造方法、磁気記録装置 |
US7957179B2 (en) * | 2007-06-27 | 2011-06-07 | Grandis Inc. | Magnetic shielding in magnetic multilayer structures |
US7982275B2 (en) * | 2007-08-22 | 2011-07-19 | Grandis Inc. | Magnetic element having low saturation magnetization |
US7894248B2 (en) * | 2008-09-12 | 2011-02-22 | Grandis Inc. | Programmable and redundant circuitry based on magnetic tunnel junction (MTJ) |
KR20130017267A (ko) * | 2011-08-10 | 2013-02-20 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
US9406365B1 (en) * | 2015-01-26 | 2016-08-02 | International Business Machines Corporation | Underlayers for textured films of Heusler compounds |
CN104678332B (zh) * | 2015-02-28 | 2018-03-27 | 三峡大学 | 一种基于2d人造磁振子晶体的弱磁探测器件 |
US10204671B2 (en) | 2017-03-10 | 2019-02-12 | Simon Fraser University | Applications of non-collinearly coupled magnetic layers |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814921A (en) * | 1984-10-17 | 1989-03-21 | Hitachi, Ltd. | Multilayered magnetic films and thin-film magnetic heads using the same as a pole |
US5287237A (en) * | 1990-03-16 | 1994-02-15 | Hitachi, Ltd. | Antiferromagnetic film superior in corrosion resistance, magnetoresistance-effect element and magnetoresistance-effect head including such thin film |
US5206590A (en) | 1990-12-11 | 1993-04-27 | International Business Machines Corporation | Magnetoresistive sensor based on the spin valve effect |
US5465185A (en) | 1993-10-15 | 1995-11-07 | International Business Machines Corporation | Magnetoresistive spin valve sensor with improved pinned ferromagnetic layer and magnetic recording system using the sensor |
US5408377A (en) | 1993-10-15 | 1995-04-18 | International Business Machines Corporation | Magnetoresistive sensor with improved ferromagnetic sensing layer and magnetic recording system using the sensor |
US5650958A (en) | 1996-03-18 | 1997-07-22 | International Business Machines Corporation | Magnetic tunnel junctions with controlled magnetic response |
US5958576A (en) * | 1996-09-13 | 1999-09-28 | Sony Corporation | Magnetoresistance effect device and magnetic head |
US5966012A (en) | 1997-10-07 | 1999-10-12 | International Business Machines Corporation | Magnetic tunnel junction device with improved fixed and free ferromagnetic layers |
US6197439B1 (en) * | 1999-01-28 | 2001-03-06 | International Business Machines Corporation | Laminated magnetic structures with ultra-thin transition metal spacer layers |
US6153320A (en) | 1999-05-05 | 2000-11-28 | International Business Machines Corporation | Magnetic devices with laminated ferromagnetic structures formed with improved antiferromagnetically coupling films |
DE60014974T2 (de) * | 1999-06-08 | 2005-03-17 | Fujitsu Ltd., Kawasaki | Magnetisches Aufzeichnungsmittel |
JP3476741B2 (ja) | 1999-06-08 | 2003-12-10 | 富士通株式会社 | 磁気記録媒体及び磁気記憶装置 |
US6773834B2 (en) | 1999-10-08 | 2004-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Laminated magnetic recording media with antiferromagnetically coupled layer as one of the individual magnetic layers in the laminate |
US6280813B1 (en) | 1999-10-08 | 2001-08-28 | International Business Machines Corporation | Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer |
JP2002117508A (ja) * | 2000-10-06 | 2002-04-19 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
US6737172B1 (en) * | 2000-12-07 | 2004-05-18 | Seagate Technology Llc | Multi-layered anti-ferromagnetically coupled magnetic media |
US6689497B1 (en) * | 2001-01-08 | 2004-02-10 | Seagate Technology Llc | Stabilized AFC magnetic recording media with reduced lattice mismatch between spacer layer(s) and magnetic layers |
JP2002299723A (ja) * | 2001-03-28 | 2002-10-11 | Alps Electric Co Ltd | 磁気抵抗効果素子及びこの磁気抵抗効果素子を用いた薄膜磁気ヘッド |
JP2003168834A (ja) * | 2001-11-30 | 2003-06-13 | Sony Corp | 磁気抵抗効果素子およびその製造方法並びに磁気メモリ装置 |
CN100505046C (zh) * | 2001-11-30 | 2009-06-24 | 希捷科技有限公司 | 反铁磁性耦合的垂直磁记录介质 |
US6723450B2 (en) * | 2002-03-19 | 2004-04-20 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording medium with antiparallel coupled ferromagnetic films as the recording layer |
US6801415B2 (en) * | 2002-08-30 | 2004-10-05 | Freescale Semiconductor, Inc. | Nanocrystalline layers for improved MRAM tunnel junctions |
-
2003
- 2003-06-24 US US10/602,504 patent/US6893741B2/en not_active Expired - Lifetime
-
2004
- 2004-05-21 TW TW093114545A patent/TW200501084A/zh unknown
- 2004-06-18 JP JP2004180612A patent/JP2005019990A/ja active Pending
- 2004-06-21 DE DE602004007986T patent/DE602004007986T2/de not_active Expired - Fee Related
- 2004-06-21 EP EP04253703A patent/EP1492134B1/en not_active Expired - Fee Related
- 2004-06-21 MY MYPI20042412A patent/MY134560A/en unknown
- 2004-06-23 KR KR1020040046920A patent/KR20050001361A/ko not_active Application Discontinuation
- 2004-06-23 SG SG200403847A patent/SG117500A1/en unknown
- 2004-06-23 CN CNA2004100616698A patent/CN1573946A/zh active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7602591B2 (en) | Exchange-coupled free layer with out-of-plane magnetization | |
JP2005019990A5 (ja) | ||
TWI468715B (zh) | 用於感測外部磁場之磁場感測器 | |
JP2001237472A5 (ja) | ||
JP2004260149A5 (ja) | ||
KR100249976B1 (ko) | 자기저항 효과 소자 및 그 제조 방법 | |
JP2008507854A5 (ja) | ||
JP2017505538A5 (ja) | ||
KR20180026725A (ko) | 자기 저항 센서 | |
JP2013089967A5 (ja) | ||
CN102435963B (zh) | 单片双轴桥式磁场传感器 | |
WO2005067472A3 (en) | Synthetic antiferromagnet structures for use in mtjs in mram technology | |
JP2007294737A5 (ja) | ||
JP2004510326A5 (ja) | ||
ATE421756T1 (de) | Fühlerschicht aus synthetischer ferrimagnet für mram-benutzungen mit hoher dichte | |
JP2007299512A5 (ja) | ||
WO2006049407A1 (en) | Current induced magnetoresistance device | |
JP2002367124A5 (ja) | ||
US20040233585A1 (en) | Layer system having an increased magnetoresistive effect and use of the same | |
KR100905737B1 (ko) | 수직자기이방성을 갖는 스핀밸브 자기저항소자 | |
US6498707B1 (en) | Giant magnetoresistive sensor with a CrMnPt pinning layer and a NiFeCr seed layer | |
JP2008249556A (ja) | 磁気センサ | |
JP3558951B2 (ja) | 磁気メモリ素子及びそれを用いた磁気メモリ | |
CN105954692A (zh) | 具有改善的灵敏度和线性度的磁传感器 | |
Duenas et al. | Micro-sensor coupling magnetostriction and magnetoresistive phenomena |