JP5413646B2 - ホイスラー合金材料、磁気抵抗素子および磁気デバイス - Google Patents
ホイスラー合金材料、磁気抵抗素子および磁気デバイス Download PDFInfo
- Publication number
- JP5413646B2 JP5413646B2 JP2009077606A JP2009077606A JP5413646B2 JP 5413646 B2 JP5413646 B2 JP 5413646B2 JP 2009077606 A JP2009077606 A JP 2009077606A JP 2009077606 A JP2009077606 A JP 2009077606A JP 5413646 B2 JP5413646 B2 JP 5413646B2
- Authority
- JP
- Japan
- Prior art keywords
- heusler alloy
- alloy material
- magnetoresistive element
- magnetization
- layer
- 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.)
- Active
Links
Landscapes
- Thin Magnetic Films (AREA)
- Hall/Mr Elements (AREA)
Description
Claims (6)
- Co2(FexMn1-x)Si合金(x=0.1〜0.9)の組成比を有することを、特徴とするホイスラー合金材料。
- 熱処理プロセスを経ていることを、特徴とする請求項1記載のホイスラー合金材料。
- 酸化マグネシウムまたはクロムから成る下地層を介して基材の上に形成されていることを、特徴とする請求項1または2記載のホイスラー合金材料。
- 強磁性金属磁化固定層/中間層/強磁性金属磁化自由層から成り、前記磁化固定層と前記磁化自由層との磁化の相対角度により抵抗が変化する磁気抵抗素子において、
請求項1、2または3記載のホイスラー合金材料を、前記磁化自由層および前記磁化固定層の少なくとも一方に用いたことを、
特徴とする磁気抵抗素子。 - 前記中間層として酸化アルミニウム、または、酸化マグネシウムを用い、前記磁化自由層あるいは前記磁化固定層として請求項1、2または3に記載のホイスラー合金材料を用いたトンネル磁気抵抗素子から成ることを、特徴とする請求項4記載の磁気抵抗素子。
- 請求項4または5に記載の磁気抵抗素子を用いることを、特徴とする磁気デバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009077606A JP5413646B2 (ja) | 2009-03-26 | 2009-03-26 | ホイスラー合金材料、磁気抵抗素子および磁気デバイス |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009077606A JP5413646B2 (ja) | 2009-03-26 | 2009-03-26 | ホイスラー合金材料、磁気抵抗素子および磁気デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010229477A JP2010229477A (ja) | 2010-10-14 |
JP5413646B2 true JP5413646B2 (ja) | 2014-02-12 |
Family
ID=43045561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009077606A Active JP5413646B2 (ja) | 2009-03-26 | 2009-03-26 | ホイスラー合金材料、磁気抵抗素子および磁気デバイス |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5413646B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5723591B2 (ja) * | 2010-12-28 | 2015-05-27 | 株式会社日立製作所 | 熱電変換材料と電界印加型熱電変換素子 |
JP2012190914A (ja) * | 2011-03-09 | 2012-10-04 | Tohoku Univ | 磁気抵抗効果素子および磁気デバイス |
JP5663422B2 (ja) * | 2011-07-11 | 2015-02-04 | 株式会社日立製作所 | 熱電変換素子 |
WO2014163121A1 (ja) * | 2013-04-05 | 2014-10-09 | 独立行政法人物質・材料研究機構 | 電流垂直型磁気抵抗効果素子 |
WO2017029720A1 (ja) * | 2015-08-19 | 2017-02-23 | 株式会社日立製作所 | 磁気センサ及びその製造方法 |
US10566015B2 (en) * | 2016-12-12 | 2020-02-18 | Western Digital Technologies, Inc. | Spin transfer torque (STT) device with template layer for heusler alloy magnetic layers |
US10867625B1 (en) | 2019-03-28 | 2020-12-15 | Western Digital Technologies, Inc | Spin transfer torque (STT) device with template layer for Heusler alloy magnetic layers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295712C (zh) * | 2001-02-23 | 2007-01-17 | 国际商业机器公司 | 具有巨磁电阻和旋转极化通道的化合物,及其生产方法和应用 |
JP2005116703A (ja) * | 2003-10-06 | 2005-04-28 | Alps Electric Co Ltd | 磁気検出素子 |
JP2007189039A (ja) * | 2006-01-13 | 2007-07-26 | Alps Electric Co Ltd | トンネル型磁気検出素子及びその製造方法 |
JP4953064B2 (ja) * | 2006-12-25 | 2012-06-13 | 独立行政法人物質・材料研究機構 | ホイスラー合金とそれを用いたtmr素子又はgmr素子 |
JP4742276B2 (ja) * | 2007-03-26 | 2011-08-10 | 国立大学法人東京工業大学 | 強磁性体の形成方法並びにトランジスタ及びその製造方法 |
-
2009
- 2009-03-26 JP JP2009077606A patent/JP5413646B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010229477A (ja) | 2010-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Tudu et al. | Recent developments in perpendicular magnetic anisotropy thin films for data storage applications | |
JP5413646B2 (ja) | ホイスラー合金材料、磁気抵抗素子および磁気デバイス | |
US9373777B2 (en) | Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications | |
JP4582488B2 (ja) | 磁性薄膜及びそれを用いた磁気抵抗効果素子並びに磁気デバイス | |
US8987848B2 (en) | Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications | |
US8852760B2 (en) | Free layer with high thermal stability for magnetic device applications by insertion of a boron dusting layer | |
JP5579175B2 (ja) | 磁気抵抗効果素子及びそれを用いたランダムアクセスメモリ | |
JP5527669B2 (ja) | 強磁性トンネル接合体およびそれを用いた磁気抵抗効果素子 | |
RU2599948C2 (ru) | Самоотносимый элемент магнитной оперативной памяти, содержащий синтетический запоминающий слой | |
WO2009110119A1 (ja) | 強磁性トンネル接合素子および強磁性トンネル接合素子の駆動方法 | |
Ota et al. | Flexible CoFeB/MgO-based magnetic tunnel junctions annealed at high temperature (≥ 350° C) | |
JP2005228998A (ja) | 磁性薄膜及びそれを用いた磁気抵抗効果素子並びに磁気デバイス | |
Tao et al. | Transport Properties in Sputtered CoFeB/MgAl 2 O 4/CoFeB Magnetic Tunnel Junctions | |
Singh et al. | Four logic states of tunneling magnetoelectroresistance in ferromagnetic shape memory alloy based multiferroic tunnel junctions | |
Zhang et al. | Large Perpendicular Exchange Bias in CoFeB/MgO Systems Pinned by a Bottom IrMn Layer via an Interfacial CoFe/Ta Composite Layer | |
JP5057338B2 (ja) | 反平行結合膜構造体、トンネル磁気抵抗素子および磁気デバイス | |
JP2008218641A (ja) | トンネル磁気抵抗効果素子 | |
JP2002359413A (ja) | 強磁性トンネル磁気抵抗素子 | |
WO2011062005A1 (ja) | 強磁性トンネル接合素子 | |
Ohdaira et al. | Spin transistor based on double tunnel junctions using half-metallic Co2MnSi electrodes | |
JP2008218640A (ja) | トンネル磁気抵抗効果素子 | |
Balkashin et al. | Spin-valve effects in point contacts to exchange biased Co40Fe40B20 films | |
Bai et al. | Heusler Compounds in Magnetic Data Storage | |
JP2011014602A (ja) | 二重障壁強磁性トンネル接合および磁気デバイス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120215 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20120216 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130927 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131001 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131007 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20131008 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131029 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131030 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5413646 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |