KR101074203B1 - 자기저항소자 - Google Patents
자기저항소자 Download PDFInfo
- Publication number
- KR101074203B1 KR101074203B1 KR1020090038181A KR20090038181A KR101074203B1 KR 101074203 B1 KR101074203 B1 KR 101074203B1 KR 1020090038181 A KR1020090038181 A KR 1020090038181A KR 20090038181 A KR20090038181 A KR 20090038181A KR 101074203 B1 KR101074203 B1 KR 101074203B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- tunnel barrier
- free magnetization
- magnetization layer
- barrier 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.)
- Expired - Fee Related
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Classifications
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- 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
- G11C11/161—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 details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
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- 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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- 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
- H10N50/80—Constructional details
- H10N50/85—Materials of the active region
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
Abstract
Description
Claims (8)
- CoFeB 또는 CoFeSiB로 형성된 고정자화층;상기 고정자화층 상에 형성되고, MgO로 형성된 터널장벽층;상기 터널장벽층 상에 형성되고, CoFeB 또는 CoFeSiB로 형성된 자유자화층;상기 자유자화층 상에 형성된 보호층을 포함하되,상기 터널장벽층, 상기 자유자화층 및 상기 보호층은 동일한 결정 배향을 갖는 자기저항소자.
- 제 1 항에 있어서,상기 보호층은 Cu, Ti, Al, W, Ag, Au, Pt, Ru 및 Ta로 이루어진 그룹에서 적어도 선택된 하나로 형성된 것을 특징으로 하는 자기저항소자.
- 삭제
- 제 2 항에 있어서,상기 터널장벽층, 상기 자유자화층 및 상기 보호층 각각의 {001} 결정 방향이 상기 자기저항소자를 관통하여 흐르는 전류의 방향에 대하여 수직한 것을 특징으로 하는 자기저항소자.
- 메모리셀이 자기터널접합 소자 및 선택 트랜지스터로 구성된 자기저항 메모리 소자에 있어서,상기 자기터널접합 소자는CoFeB 또는 CoFeSiB로 형성된 고정자화층;상기 고정자화층 상에 형성되고, MgO로 형성된 터널장벽층;상기 터널장벽층 상에 형성되고, CoFeB 또는 CoFeSiB로 형성된 자유자화층; 및상기 자유자화층 상에 형성된 보호층을 포함하되, 상기 터널장벽층, 상기 자유자화층 및 상기 보호층은 동일한 결정 배향을 갖는 것을 특징으로 하는 자기저항 메모리 소자.
- 제 5 항에 있어서,상기 보호층은 Cu, Ti, Al, W, Ag, Au, Pt, Ru 및 Ta로 이루어진 그룹에서 적어도 하나로 선택된 것을 특징으로 하는 자기저항 메모리 소자.
- 삭제
- 제 6 항에 있어서,상기 터널장벽층, 상기 자유자화층 및 상기 보호층 각각의 {001} 결정 방향이 상기 자기터널접합 소자를 관통하여 흐르는 전류의 방향에 대하여 수직한 것을 특징으로 하는 자기저항 메모리 소자.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090038181A KR101074203B1 (ko) | 2009-04-30 | 2009-04-30 | 자기저항소자 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090038181A KR101074203B1 (ko) | 2009-04-30 | 2009-04-30 | 자기저항소자 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100119196A KR20100119196A (ko) | 2010-11-09 |
| KR101074203B1 true KR101074203B1 (ko) | 2011-10-14 |
Family
ID=43405296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020090038181A Expired - Fee Related KR101074203B1 (ko) | 2009-04-30 | 2009-04-30 | 자기저항소자 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101074203B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9484526B2 (en) | 2014-07-18 | 2016-11-01 | Samsung Electronics Co., Ltd. | Magnetic memory device and method for forming the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102078850B1 (ko) | 2013-03-15 | 2020-02-18 | 삼성전자 주식회사 | 자기 메모리 소자 및 이에 대한 정보 쓰기 방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008155995A1 (ja) * | 2007-06-19 | 2008-12-24 | Canon Anelva Corporation | トンネル磁気抵抗薄膜及び磁性多層膜作製装置 |
-
2009
- 2009-04-30 KR KR1020090038181A patent/KR101074203B1/ko not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008155995A1 (ja) * | 2007-06-19 | 2008-12-24 | Canon Anelva Corporation | トンネル磁気抵抗薄膜及び磁性多層膜作製装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9484526B2 (en) | 2014-07-18 | 2016-11-01 | Samsung Electronics Co., Ltd. | Magnetic memory device and method for forming the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100119196A (ko) | 2010-11-09 |
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