KR100933967B1 - 포논 차단 전자 투과 소형 구조물 - Google Patents
포논 차단 전자 투과 소형 구조물 Download PDFInfo
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Abstract
Description
Claims (78)
- 열전(thermoelectric) 구조물에 있어서,서로 다른 격자 상수를 가지며 서로 접촉하여 삽입되는 적어도 제1 및 제2 재료 시스템의 초격자층;상기 적어도 제1 및 제2 재료 시스템이 격자 부정합(lattice mismatch)으로 접합되고 상기 제1 및 제2 재료 시스템의 구조적 무결성(structural integrity)이 유지되는 곳인 물리적 계면; 및직교 양자 구속된 초격자 양자 차단 전자 투과 구조(orthogonally-quantum-confined superlattice phonon-blocking electron-transmitting structure)물을 포함하고,상기 적어도 제1 및 제2 재료 시스템의 초격자층은 상기 물리적 계면에 수직인 전하 캐리어 수송 방향을 갖고, 상기 초격자층은 1.35μm 이상의 두께를 가지며, 상기 적어도 제1 및 제2 재료 시스템의 초격자층 및 상기 물리적 계면은 상기 계면의 격자 부정합을 갖는 초격자 구조물을 포함하고, 상기 격자 부정합은 상기 적어도 제1 및 제2 재료 시스템의 에피텍셜 성장면에서 일어나고 상기 물리적 계면에 걸친 열 전도(thermal conduction)를 줄이는 음향 부정합(acoustic mismatch)을 제공하는 것인, 열전 구조물.
- 삭제
- 제1항에 있어서, 양자선, 양자점, 나노점, 및 양자 상자 중 적어도 하나를 포함하는 열전 구조물.
- 삭제
- 제3항에 있어서, 상기 적어도 제1 및 제2 재료 시스템에 포함되고 양자선을 포함하는 탄소 나노튜브를 포함하는 열전 구조물.
- 제1항에 있어서, 직교 양자 구속된 나노점, 양자점, 또는 양자 상자를 포함하는 열전 구조물.
- 삭제
- 열전 소자에 있어서,히트 소스 플레이트(heat source plate);상기 히트 소스 플레이트에 비하여 더 높은 온도에서 동작하는 히트 싱크 플레이트(heat sink plate);적어도 하나의 n-형 열전 요소(thermoelectric element); 및상기 적어도 하나의 n-형 열전 요소에 전기적으로 직렬 연결되는 적어도 하나의 p-형 열전 요소를 포함하고,상기 적어도 하나의 n-형 열전 요소는,상이한 격자 상수를 가지며 서로 접촉하여 삽입되는 적어도 제1 및 제2의 n-형 재료 시스템의 n-형 초격자층-상기 적어도 제1 및 제2의 n-형 재료 시스템의 초격자층은 상기 물리적 계면에 수직인 전하 캐리어 수송 방향을 가짐-과,상기 적어도 제1 및 제2의 n-형 재료 시스템이 격자 부정합으로 접합되고 상기 제1 및 제2의 n-형 재료 시스템의 구조적 무결성이 유지되는 곳인 물리적 계면을 포함하고,상기 적어도 하나의 p-형 열전 요소는,상이한 격자 상수를 가지며 서로 접촉하여 삽입되는 적어도 제1 및 제2의 p-형 재료 시스템의 p-형 초격자층-상기 적어도 제1 및 제2 p-형 재료 시스템의 초격자층은 상기 물리적 계면에 수직인 전하 캐리어 수송 방향을 가지며, 상기 p-형 초격자층은 1.35μm 이상의 두께를 가짐-과,상기 적어도 제1 및 제2의 p-형 재료 시스템이 격자 부정합으로 접합되고 상기 제1 및 제2의 p-형 재료 시스템의 구조적 무결성이 유지되는 곳인 물리적 계면을 포함하고,상기 n-형 초격자층 및 상기 p-형 초격자층 중 적어도 하나는 에피택셜 초격자층을 포함하는 것인, 열전 소자.
- 제8항에 있어서, 상기 적어도 하나의 n-형 열전 요소 및 상기 적어도 하나의 p-형 열전 요소에 대한 오믹 접점(ohmic contact)을 더 포함하는 열전 소자.
- 제9항에 있어서, 상기 오믹 접점은 Cr를 포함하는 것인 열전 소자.
- 제9항에 있어서, 상기 오믹 접점은 적어도 하나의 접착 증진제를 포함하는 것인 열전 소자.
- 삭제
- 제11항에 있어서, 상기 접착 증진제는 Cr, NiCr, Ti, Mo, W, 및 이들 금속을 함유하는 합금 중에서 선택된 하나 이상의 금속을 포함하는 것인 열전 소자.
- 제9항에 있어서, 상기 오믹 접점은 적어도 하나의 확산 장벽을 포함하는 것인 열전 소자.
- 제14항에 있어서, 상기 확산 장벽은 Ni, Cr, NiCr, Pd, Fe, 및 이들 금속을 함유하는 합금 중에서 선택된 하나 이상의 금속을 포함하는 것인 열전 소자.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제9항에 있어서, 상기 오믹 접점은 Cr, Au, Ni, 및 Au 중 적어도 하나로 된 오믹 금속막(Ohmic metallization)을 포함하는 것인 열전 소자.
- 제22항에 있어서, 상기 오믹 금속막은 Au, Cu, Ni, Ag, Pd, Pt, Al, Ga, In, 및 이들 금속을 함유하는 합금을 포함하는 그룹으로부터 선택된 하나 이상의 금속을 포함하는 것인 열전 소자.
- 삭제
- 제8항에 있어서, 상기 열전 소자는 열전 냉각기인 것인 열전 소자.
- 제26항에 있어서, 상기 열전 냉각기는 냉장고 및 에어컨 중 적어도 하나를 포함하는 것인 열전 소자.
- 삭제
- 제8항에 있어서, 상기 열전 소자는 전력 변환 소자인 것인 열전 소자.
- 제8항에 있어서, 상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 화학 물질 도펀트(chemical dopant)를 포함하는 가압 메카니즘(pressurizing mechanism)을 더 포함하며,상기 화학 물질 도펀트는 상기 열전 구조물에 부정합 유발된 압력(misfit-induced pressure)을 생성하도록 구성되어 있는 것인 열전 소자.
- 제8항에 있어서, 상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 화학 물질 도펀트를 포함하는 자화 메카니즘을 더 포함하며,상기 화학 물질 도펀트는 자성 재료를 포함하는 것인 열전 소자.
- 적어도 하나의 냉각기로서 구성된 제8항, 제30항 및 제31항 중 어느 한 항의 열전 소자를 포함하는 동적 랜덤 액세스 메모리.
- 제32항에 있어서, 상기 동적 랜덤 액세스 메모리는 정적 랜덤 액세스 메모리로서 구성되어 있는 것인 동적 랜덤 액세스 메모리.
- 제8항에 있어서, 상기 p-형 초격자층은 2.67μm 내지 5.4μm의 범위의 두께를 갖는 것인 열전 소자.
- 제8항에 있어서, 상기 p-형 초격자층은 2.67μm 이상의 두께를 갖는 것인 열전 소자.
- 열전 전력 변환 소자에 있어서,서로 다른 격자 상수를 가지며 서로 접촉하여 삽입되어 있는 적어도 제1 및 제2 재료 시스템의 초격자층;상기 적어도 제1 및 제2 재료 시스템이 격자 부정합(lattice mismatch)으로 접합되고 상기 제1 및 제2 재료 시스템의 구조적 무결성(structural integrity)이 유지되는 곳인 물리적 계면;상기 적어도 제1 및 제2 재료 시스템의 초격자층에 연결된 히트 싱크;상기 적어도 제1 및 제2 재료 시스템의 초격자층을 통해 상기 히트 싱트에 연결된 히트 소스;상기 적어도 제1 및 제2 재료 시스템의 초격자층에 연결되고 열전 전압을 출력하도록 구성되어 있는 전극; 및상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 자성 재료를 포함하는 화학 물질 도펀트를 포함하는 자화 메카니즘을 포함하고,상기 적어도 제1 및 제2 재료 시스템의 초격자층은 상기 물리적 계면에 수직인 전하 캐리어 수송 방향을 가지며 두께가 1.35μm 이상인 것인 열전 전력 변환 소자.
- 제36항에 있어서, 상기 히트 싱크는 250K 내지 310K의 저온측(cold side)을 포함하고, 상기 히트 소스는 310K 내지 450K의 고온측(hot side)을 포함하는 것인 열전 전력 변환 소자.
- 제36항에 있어서, 상기 열전 소자는 1.4 이상의 성능 지수(ZT, figures-of-merit)를 갖는 것인 열전 전력 변환 소자.
- 제36항에 있어서, 상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 화학 물질 도펀트(chemical dopant)를 포함하는 가압 메카니즘(pressurizing mechanism)을 더 포함하며,상기 화학 물질 도펀트는 상기 열전 구조물에 부정합 유발된 압력(misfit-induced pressure)을 생성하도록 구성되어 있는 것인, 열전 전력 변환 소자.
- 제36항에 있어서, 상기 히트 싱크는 냉장 유닛에서의 열 교환기로서 구성되어 있는 것인 열전 전력 변환 소자.
- 삭제
- 제36항에 있어서, 상기 히트 싱크는 에어컨 유닛에서의 열 교환기로서 구성되어 있는 것인 열전 전력 변환 소자.
- 삭제
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- 제36항에 있어서, 상기 적어도 제1 및 제2 재료 시스템 사이의 격자 부정합은 1 내지 100 퍼센트 범위 내에 있는 것인 열전 전력 변환 소자.
- 제45항에 있어서, 상기 적어도 제1 및 제2 재료 시스템 사이의 격자 부정합은 1 내지 5 퍼센트 범위 내에 있는 것인 열전 전력 변환 소자.
- 제36항에 있어서, 상기 초격자층의 상기 적어도 제1 및 제2 재료 시스템은 주기적으로 배열되어 있는 것인 열전 전력 변환 소자.
- 제36항에 있어서, 상기 초격자층은 2.67μm 내지 5.4μm 범위 내의 두께를 갖는 것인 열전 전력 변환 소자.
- 삭제
- 제36항에 있어서, 상기 초격자층은 2.67μm 이상의 두께를 갖는 것인 열전 전력 변환 소자.
- 열전 가열 및 냉각 소자로서,서로 다른 격자 상수를 가지며 서로 접촉하여 삽입되어 있는 적어도 제1 및 제2 재료 시스템의 초격자층;상기 적어도 제1 및 제2 재료 시스템이 격자 부정합(lattice mismatch)으로 접합되고 상기 제1 및 제2 재료 시스템의 구조적 무결성(structural integrity)이 실질적으로 유지되는 곳인 물리적 계면;상기 적어도 제1 및 제2 재료 시스템의 초격자층에 연결된 적어도 하나의 히트 싱크 및 히트 소스;냉각을 위한 상기 히트 싱크와 가열을 위한 상기 히트 소스 중 적어도 하나로 전하를 수송시키도록 구성되어 있는 상기 열전 소자; 및상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 자성 재료를 포함하는 화학 물질 도펀트를 포함하는 자화 메카니즘을 포함하고,상기 적어도 제1 및 제2 재료 시스템의 초격자층은 상기 물리적 계면에 수직인 전하 캐리어 수송 방향을 가지며 1.35μm 이상의 두께를 갖는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 히트 싱크는 250K 내지 310K의 저온측(cold side)을 포함하고,상기 히트 소스는 310K 내지 450K의 고온측(hot side)을 포함하는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 열전 소자는 1.4 이상의 성능 지수(ZT)를 갖는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 적어도 제1 및 제2 재료 시스템의 열전 나노 구조물에 화학 물질 도펀트(chemical dopant)를 포함하는 가압 메카니즘(pressurizing mechanism)을 더 포함하며,상기 화학 물질 도펀트는 상기 구조물에 부정합 유발된 압력(misfit-induced pressure)을 생성하도록 구성되어 있는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 히트 싱크는 마이크로프로세서 칩, 레이저 칩, 및 초전도 칩 중 적어도 하나에 연결되도록 구성되어 있는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 히트 소스는 마이크로프로세서 칩, 레이저 칩, 및 초전도 칩 중 적어도 하나의 구성 요소에 연결되도록 구성되어 있는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 적어도 제1 및 제2 재료 시스템 사이의 격자 부정합은 1 내지 100 퍼센트 범위 내에 있는 것인 열전 가열 및 냉각 소자.
- 제57항에 있어서, 상기 적어도 제1 및 제2 재료 시스템 사이의 격자 부정합은 1 내지 5 퍼센트 범위 내에 있는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 초격자층의 상기 적어도 제1 및 제2 재료 시스템은 주기적으로 배열되어 있는 것인 열전 가열 및 냉각 소자.
- 제51항에 있어서, 상기 초격자층은 2.67μm 내지 5.4μm 범위 내의 두께를 갖는 것인 열전 가열 및 냉각 소자.
- 삭제
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KR20050034582A (ko) | 2005-04-14 |
EP1433208A1 (en) | 2004-06-30 |
WO2003032408A1 (en) | 2003-04-17 |
CA2462093C (en) | 2012-02-28 |
EP1433208A4 (en) | 2008-02-20 |
CA2462093A1 (en) | 2003-04-17 |
US7342169B2 (en) | 2008-03-11 |
JP2005506693A (ja) | 2005-03-03 |
US20030099279A1 (en) | 2003-05-29 |
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