KR101064318B1 - Pn 접합을 갖는 나노위스커 및 이의 가공 방법 - Google Patents
Pn 접합을 갖는 나노위스커 및 이의 가공 방법 Download PDFInfo
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Abstract
Description
(a) 기판으로부터 직립하는 나노위스커를 형성하고,
(b) 기판상에 제1층의 물질을 형성하고 그리고 나노위스커를 둘러싸며 이 위로 다소간 연장하며, 상기 제1층은 그 내부에 제1전도도 타입 도펀트 물질을 포함함, 그리고
(c) 상기 제1층의 최상부에 제2층의 물질을 형성하고 그리고 나노위스커의 최상부를 둘러싸며 이를 향하여 연장하고 그리고 그 내부에 제2 전도도 타입 도펀트 물질을 포함하여, 제1 및 제2층으로부터 나노위스커의 제1 및 제2 영역 각각으로의 확산에 의해 나노위스커 내부에 제1 및 제2영역 사이에서 pn접합을 형성함.
a. 제1 결정 물질의 제1 단편, 및 상기 제1 물질과 다른 제2 결정 물질의 제2 단편을 가지고 그리고 그들 사이의 헤테로접합을 포함하는 1차원 나노요소를 형성하고,
Claims (35)
- 구조체에 있어서,제 1 반도체 물질의 나노위스커, 및상기 나노위스커를 그 길이의 적어도 일부를 따라 둘러싸고 그리고 접촉하는 1 이상의 제 2 반도체 물질의 봉입물을 포함하며,상기 나노위스커와 상기 봉입물 사이에 pn 접합을 생성하기 위하여, 상기 제 1 및 제 2 반도체 물질들은 상이하고, 반대 전도도 타입의 전하 캐리어들을 제공하고,상기 봉입물은 벌크-성장된 임베딩 층인 구조체.
- 제 1 항에 있어서,상기 나노위스커는 기판으로부터 직립하는 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 나노위스커는 적어도 상기 나노위스커의 표면에서 본질적으로 제 1 전도도 타입인 구조체.
- 제 1 항에 있어서,상기 제 1 반도체 물질은 제 1 밴드갭을 갖는 Ⅲ-Ⅴ 화합물이고, 상기 제 2 반도체 물질은 상기 제 1 밴드갭과 상이한 제 2 밴드갭을 갖는 Ⅲ-Ⅴ 화합물인 구조체.
- 제 1 항에 있어서,상기 봉입물은 상기 나노위스커로부터 벌크-성장된 동축 덮개인 구조체.
- 나노위스커, 및 상기 나노위스커를 그 길이의 적어도 일부를 따라 둘러싸고 그리고 접촉하는 봉입물을 포함하는 구조체를 형성하는 방법에 있어서,상기 방법은:- 촉매 성장에 의해, 제 1 전도도 타입을 갖는 제 1 반도체 물질의 상기 나노위스커를 형성하는 단계; 및- 벌크 성장에 의해, 상기 나노위스커 상에 상기 제 1 전도도 타입과 반대되는 제 2 전도도 타입을 갖는 제 2 반도체 물질의 상기 봉입물을 성장시키는 단계;를 포함하고,상기 나노위스커의 상기 제 1 반도체 물질과 상기 봉입물의 상기 제 2 반도체 물질 사이에 pn 접합이 형성되는 구조체를 형성하는 방법.
- 제 6 항에 있어서,상기 봉입물을 성장시키는 단계는 벌크-성장을 지지하도록 성장 조건들을 조절하는 단계를 포함하는 구조체를 형성하는 방법.
- 제 6 항에 있어서,상기 봉입물을 성장시키는 단계는 상기 봉입물을 성장시키는 단계 이전에 상기 나노위스커 상에 촉매 입자를 제거하는 단계를 포함하는 구조체를 형성하는 방법.
- 제 6 항에 있어서,상기 나노위스커는 화학적 빔 에피택시(Chemical Beam Epitaxy)에 의해 성장되는 구조체를 형성하는 방법.
- 제 6 항에 있어서,상기 나노위스커는 상기 나노위스커의 표면에 과량의 Ⅲ족 원자들을 생성하기 위한, Ⅲ족-풍부 조건 하에서 성장된 Ⅲ-Ⅴ 화합물인 구조체를 포함하는 방법.
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45999003P | 2003-04-04 | 2003-04-04 | |
| US60/459,990 | 2003-04-04 | ||
| PCT/GB2004/001406 WO2004088755A1 (en) | 2003-04-04 | 2004-04-01 | Nanowhiskers with pn junctions and methods of fabricating thereof |
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| Publication Number | Publication Date |
|---|---|
| KR20050118229A KR20050118229A (ko) | 2005-12-15 |
| KR101064318B1 true KR101064318B1 (ko) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057018920A Expired - Fee Related KR101064318B1 (ko) | 2003-04-04 | 2004-04-01 | Pn 접합을 갖는 나노위스커 및 이의 가공 방법 |
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| Country | Link |
|---|---|
| US (4) | US7432522B2 (ko) |
| EP (1) | EP1634334A1 (ko) |
| JP (1) | JP5122812B2 (ko) |
| KR (1) | KR101064318B1 (ko) |
| CN (1) | CN1826694B (ko) |
| CA (1) | CA2521498C (ko) |
| WO (1) | WO2004088755A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7335908B2 (en) * | 2002-07-08 | 2008-02-26 | Qunano Ab | Nanostructures and methods for manufacturing the same |
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| WO2004088755A1 (en) | 2004-10-14 |
| US8242481B2 (en) | 2012-08-14 |
| US8120009B2 (en) | 2012-02-21 |
| US20090014711A1 (en) | 2009-01-15 |
| CN1826694B (zh) | 2012-04-25 |
| KR20050118229A (ko) | 2005-12-15 |
| JP5122812B2 (ja) | 2013-01-16 |
| US20050006673A1 (en) | 2005-01-13 |
| WO2004088755A8 (en) | 2005-08-18 |
| CA2521498C (en) | 2012-06-05 |
| US20120126200A1 (en) | 2012-05-24 |
| US7432522B2 (en) | 2008-10-07 |
| US7910492B2 (en) | 2011-03-22 |
| EP1634334A1 (en) | 2006-03-15 |
| CN1826694A (zh) | 2006-08-30 |
| JP2006522472A (ja) | 2006-09-28 |
| US20110193055A1 (en) | 2011-08-11 |
| CA2521498A1 (en) | 2004-10-14 |
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