KR20020046337A - 탄소나노튜브를 이용한 터널접합 자기저항 소자 - Google Patents
탄소나노튜브를 이용한 터널접합 자기저항 소자 Download PDFInfo
- Publication number
- KR20020046337A KR20020046337A KR1020000075664A KR20000075664A KR20020046337A KR 20020046337 A KR20020046337 A KR 20020046337A KR 1020000075664 A KR1020000075664 A KR 1020000075664A KR 20000075664 A KR20000075664 A KR 20000075664A KR 20020046337 A KR20020046337 A KR 20020046337A
- Authority
- KR
- South Korea
- Prior art keywords
- carbon nanotubes
- ferromagnetic material
- tunnel junction
- ferromagnetic
- magnetoresistance
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 63
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 63
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 29
- 230000005291 magnetic effect Effects 0.000 claims abstract description 14
- 239000002885 antiferromagnetic material Substances 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- 238000000137 annealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 19
- 239000000463 material Substances 0.000 description 13
- 230000005294 ferromagnetic effect Effects 0.000 description 11
- 230000010287 polarization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 230000005418 spin wave Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (6)
- 강자성체와 강자성체 사이에 탄소나노튜브가 형성되어 연결된 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
- 제 1항에 있어서,상기 탄소나노튜브는, 상기 강자성체 사이에 형성됨에 있어 도체성 탄소나노튜브가 수평 성장되는 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
- 제 1항에 있어서,상기 탄소나노튜브는, 상기 강자성체 사이에 형성됨에 있어 도체성 탄소나노튜브가 수직 성장되는 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
- 제 1항에 있어서,상기 복수의 강자성체 중에서, 스핀 방향을 고정시킬 수 있도록, 하나의 강자성체에 반강자성체가 연결되어 형성된 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
- 제 4항에 있어서,상기 반강자성체는 외부에서 인가되는 자기장에 의하여 내부 스핀 방향이 선택되는 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
- 제 1항에 있어서,상기 탄소나노튜브는 열처리(thermal annealing)를 통하여 터널 베리어의 높이가 조절되는 것을 특징으로 하는 탄소나노튜브를 이용한 터널접합 자기저항 소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0075664A KR100396602B1 (ko) | 2000-12-12 | 2000-12-12 | 탄소나노튜브를 이용한 터널접합 자기저항 소자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0075664A KR100396602B1 (ko) | 2000-12-12 | 2000-12-12 | 탄소나노튜브를 이용한 터널접합 자기저항 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020046337A true KR20020046337A (ko) | 2002-06-21 |
KR100396602B1 KR100396602B1 (ko) | 2003-09-02 |
Family
ID=27681242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0075664A KR100396602B1 (ko) | 2000-12-12 | 2000-12-12 | 탄소나노튜브를 이용한 터널접합 자기저항 소자 |
Country Status (1)
Country | Link |
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KR (1) | KR100396602B1 (ko) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5757056A (en) * | 1996-11-12 | 1998-05-26 | University Of Delaware | Multiple magnetic tunnel structures |
JP2877113B2 (ja) * | 1996-12-20 | 1999-03-31 | 日本電気株式会社 | ソレノイド |
JP3646508B2 (ja) * | 1998-03-18 | 2005-05-11 | 株式会社日立製作所 | トンネル磁気抵抗効果素子、これを用いた磁気センサー及び磁気ヘッド |
US6052263A (en) * | 1998-08-21 | 2000-04-18 | International Business Machines Corporation | Low moment/high coercivity pinned layer for magnetic tunnel junction sensors |
KR20000050426A (ko) * | 1999-01-08 | 2000-08-05 | 김영환 | 평면 홀 효과를 이용한 자기 메모리 기본 소자 |
KR100376768B1 (ko) * | 2000-08-23 | 2003-03-19 | 한국과학기술연구원 | 전자, 스핀 및 광소자 응용을 위한 탄소나노튜브의 선택적 수평성장 방법 |
-
2000
- 2000-12-12 KR KR10-2000-0075664A patent/KR100396602B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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KR100396602B1 (ko) | 2003-09-02 |
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