KR20170058820A - 유기 4족 화합물을 포함하는 전구체 조성물 및 이를 이용한 박막 형성 방법 - Google Patents
유기 4족 화합물을 포함하는 전구체 조성물 및 이를 이용한 박막 형성 방법 Download PDFInfo
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Abstract
Description
Claims (40)
- 유기 알루미늄 화합물, 유기 갈륨 화합물 또는 유기 게르마늄 화합물 중에서 선택된 어느 하나의 화합물과 유기 4족 화합물의 혼합물을 포함하는 전구체 조성물.
- 제1항에 있어서,
상기 유기 게르마늄 화합물은 하기 <화학식 15>로 표시되는, 전구체 조성물.
<화학식 15>
상기 <화학식 15>에서 R"1, R"2, R"3 및 R"4는 각각 독립적으로 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 1 내지 6의 알킬아민기, 탄소수 1 내지 6의 다이알킬아민기, 탄소수 6 내지 10의 아릴기, 탄소수 7 내지 13의 아랄킬기 및 탄소수 2 내지 10의 알킬실릴기 중에서 선택된 어느 하나이며, R"5 내지 R"9는 각각 독립적으로 수소원자, 탄소수 1 내지 6의 알킬기 중에서 선택된 어느 하나이다. - 제1항에 있어서,
상기 유기 4족 화합물은 하기 <화학식 21>로 표시되는 화합물을 포함하는, 전구체 조성물.
<화학식 21>
상기 <화학식 21>에서 M은 4족 원소 중에 선택되고, Ra 내지 Re는 각각 서로 같거나 다를 수 있으며, 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 6 내지 10의 아릴기, 탄소수 7 내지 13의 아랄킬기에서 선택된 어느 하나이며, 이때 Ra와 Rb, Rc와 Rd, Re는 각각 또는 서로 연결되어 이들이 결합되어 있는 질소원자와 함께 탄소수 3 내지 6의 사이클릭 아민기를 형성할 수 있고, l은 0 내지 5의 정수에서 선택된 어느 하나이다. - 제19항에 있어서,
상기 유기 4족 화합물은,
하기 <화학식 24>로 표시되는 지환족 불포화 화합물 또는 하기 <화학식 25>로 표시되는 방향족 화합물을 더 포함하는, 전구체 조성물.
<화학식 24>
<화학식 25>
상기 <화학식 24>에서 R'a 내지 R'h는 각각 서로 같거나 다를 수 있으며, 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 6 내지 12의 아릴기, 탄소수 7 내지 13의 아랄킬기에서 선택된 어느 하나이고, m 및 n은 서로 독립적으로 0 내지 10의 정수에서 선택된 어느 하나이며,
상기 <화학식 25>에서 R"a 내지 R"f는 각각 서로 같거나 다를 수 있으며, 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 6 내지 12의 아릴기, 탄소수 7 내지 13의 아랄킬기에서 선택된 어느 하나이다. - 제25항에 있어서,
상기 유기 4족 화합물은,
상기 <화학식 18>로 표시되는 화합물 1몰 내지 3몰; 및
상기 <화학식 24>로 표시되는 지환족 불포화 화합물 또는 상기 <화학식 25>로 표시되는 방향족 화합물 1몰 내지 3몰의 비율로 혼합된, 전구체 조성물. - 제22항에 있어서,
상기 유기 4족 화합물은,
하기 <화학식 24>로 표시되는 지환족 불포화 화합물 또는 하기 <화학식 25>로 표시되는 방향족 화합물을 더 포함하는, 전구체 조성물.
<화학식 24>
<화학식 25>
상기 <화학식 24>에서 R'a 내지 R'h는 각각 서로 같거나 다를 수 있으며, 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 6 내지 12의 아릴기, 탄소수 7 내지 13의 아랄킬기에서 선택된 어느 하나이고, m 및 n은 서로 독립적으로 0 내지 10의 정수에서 선택된 어느 하나이며,
상기 <화학식 25>에서 R"a 내지 R"f는 각각 서로 같거나 다를 수 있으며, 수소 원자, 탄소수 1 내지 6의 알킬기, 탄소수 6 내지 12의 아릴기, 탄소수 7 내지 13의 아랄킬기에서 선택된 어느 하나이다. - 제27항에 있어서,
상기 유기 4족 화합물은,
상기 <화학식 21>로 표시되는 화합물 1몰 내지 3몰; 및
상기 <화학식 24>로 표시되는 지환족 불포화 화합물 또는 상기 <화학식 25>로 표시되는 방향족 화합물 1몰 내지 3몰의 비율로 혼합된, 전구체 조성물. - 제1항에 있어서,
상기 전구체 조성물은 0.1~30%의 중량비로 유기 알루미늄 화합물, 유기 갈륨 화합물 또는 유기 게르마늄 화합물 중에서 선택된 어느 하나의 화합물을 포함하는, 전구체 조성물. - 제1항 내지 제29항 중 어느 한 항의 전구체 조성물을 전구체로 이용하는 증착 공정에 의해 기판상에 박막을 형성하는 단계를 포함하는 박막 형성 방법.
- 제30항에 있어서,
상기 증착 공정은 원자층 증착(Atomic Layer Deposition, ALD) 공정 또는 화학 증착(Chemical Vapor Deposition, CVD) 공정인, 박막 형성 방법. - 제30항에 있어서,
상기 증착 공정은 50 ~ 500 ℃의 온도범위에서 실시되는, 박막 형성 방법. - 제30항에 있어서,
상기 박막 형성 방법은,
상기 증착 공정 동안 상기 기판에 열에너지, 플라즈마 또는 전기적 바이어스를 인가하는 것을 특징으로 하는, 박막 형성 방법. - 제30항에 있어서,
상기 전구체 조성물을 아르곤(Ar), 질소(N2), 헬륨(He) 및 수소(H2) 중에서 선택된 1종 이상의 케리어 가스 또는 희석 가스와 혼합하여 상기 기판상으로 이송하여 증착 공정을 실시하는, 박막 형성 방법. - 제34항에 있어서,
상기 기판상에 형성된 박막은 지르코늄 알루미늄막, 하프늄 알루미늄막, 지르코늄 갈륨막, 하프늄 갈륨막, 지르코늄 게르마늄막 또는 하프늄 게르마늄막 중 어느 하나인, 박막 형성 방법. - 제30항에 있어서,
상기 전구체 조성물을 수증기(H2O), 산소(O2) 및 오존(O3) 중에서 선택된 1종 이상의 반응 가스와 혼합하여 상기 기판상으로 이송하거나 또는 상기 반응 가스를 상기 전구체 조성물과 별도로 상기 기판상으로 이송하여 증착 공정을 실시하는, 박막 형성 방법. - 제36항에 있어서,
상기 기판상에 형성된 박막은 지르코늄 알루미늄 산화물(ZrAlOx)막, 하프늄 알루미늄 산화물(HfAlOx)막, 지르코늄 갈륨 산화물(ZrGaOx)막, 하프늄 갈륨 산화물(HfAlOx)막, 지르코늄 게르마늄 산화물(ZrGeOx)막 또는 하프늄 게르마늄 산화물(HfGeOx)막 중 어느 하나인, 박막 형성 방법. - 제30항에 있어서,
상기 전구체 조성물을 암모니아(NH3), 히드라진(N2H4), 이산화질소(NO2) 및 질소(N2) 플라즈마 중에서 선택된 1종 이상의 반응 가스와 혼합하여 상기 기판상으로 이송하거나 또는 상기 반응 가스를 상기 전구체 조성물과 별도로 상기 기판상으로 이송하여 증착 공정을 실시하는, 박막 형성 방법. - 제38항에 있어서,
상기 기판상에 형성된 박막은 지르코늄 알루미늄 질화물(ZrAlNx)막, 하프늄 알루미늄 질화물(HfAlNx)막, 지르코늄 갈륨 질화물(ZrGaNx)막, 하프늄 갈륨 질화물(HfAlNx)막, 지르코늄 게르마늄 질화물(ZrGeNx)막 또는 하프늄 게르마늄 질화물(HfGeNx)막 중 어느 하나인, 박막 형성 방법. - 제30항에 있어서,
상기 증착 공정은,
진공, 활성 또는 비활성 분위기 하에서 상기 기판을 50 ~ 500 ℃의 온도로 가열하는 단계;
20 ~ 100 ℃의 온도로 가열된 상기 전구체 조성물을 상기 기판상에 도입하는 단계;
상기 전구체 조성물을 상기 기판상에 흡착시켜 유기 화합물층을 상기 기판상에 형성하는 단계; 및
상기 기판에 열에너지, 플라즈마 또는 전기적 바이어스를 인가하여 상기 유기 화합물을 분해함으로써 상기 기판상에 박막을 형성하는 단계를 포함하는, 박막 형성 방법.
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| PCT/KR2016/012456 WO2017086630A1 (ko) | 2015-11-19 | 2016-11-01 | 유기 4족 화합물을 포함하는 전구체 조성물 및 이를 이용한 박막 형성 방법 |
| US15/776,942 US10597777B2 (en) | 2015-11-19 | 2016-11-01 | Precursor composition containing group IV organic compound and method for forming thin film using same |
| CN201680067477.9A CN108603046A (zh) | 2015-11-19 | 2016-11-01 | 包含四族有机化合物的前驱体组合物及利用它的薄膜形成方法 |
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| KR20210137622A (ko) * | 2020-05-11 | 2021-11-18 | 주식회사 이지티엠 | 유기 실리콘 아민 화합물을 포함하는 막 증착용 전구체 조성물 및 이를 이용한 막의 증착 방법 |
| CN115279940A (zh) * | 2020-02-24 | 2022-11-01 | Up化学株式会社 | 铝前体化合物、其制备方法和使用其形成含铝膜的方法 |
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| KR102224067B1 (ko) * | 2020-01-09 | 2021-03-08 | 주식회사 이지티엠 | 표면 보호 물질을 이용한 박막 형성 방법 |
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| US6984591B1 (en) * | 2000-04-20 | 2006-01-10 | International Business Machines Corporation | Precursor source mixtures |
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| CN115279940A (zh) * | 2020-02-24 | 2022-11-01 | Up化学株式会社 | 铝前体化合物、其制备方法和使用其形成含铝膜的方法 |
| CN115279940B (zh) * | 2020-02-24 | 2024-04-09 | Up化学株式会社 | 铝前体化合物、其制备方法和使用其形成含铝膜的方法 |
| US12428435B2 (en) | 2020-02-24 | 2025-09-30 | Up Chemical Co., Ltd. | Aluminum precursor compound, production method therefor, and aluminum containing layer forming method using same |
| KR20210137622A (ko) * | 2020-05-11 | 2021-11-18 | 주식회사 이지티엠 | 유기 실리콘 아민 화합물을 포함하는 막 증착용 전구체 조성물 및 이를 이용한 막의 증착 방법 |
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| US10597777B2 (en) | 2020-03-24 |
| CN108603046A (zh) | 2018-09-28 |
| JP6705006B2 (ja) | 2020-06-03 |
| US20180347042A1 (en) | 2018-12-06 |
| JP2019504509A (ja) | 2019-02-14 |
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