KR102623692B1 - 하프늄 전구체 화합물, 이를 포함하는 하프늄 함유 막 형성용 조성물 및 하프늄-함유 막 형성 방법 - Google Patents
하프늄 전구체 화합물, 이를 포함하는 하프늄 함유 막 형성용 조성물 및 하프늄-함유 막 형성 방법 Download PDFInfo
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Abstract
Description
도 2a 및 도 2b는, 본원의 실시예 중 실시예 1, 2, 3, 및 5의 방법에 의해 제조된 하프늄 전구체를 사용한 HfO2 박막의 XPS 표면 분석 결과를 나타낸 것이다.
도 3은, CpHf(NMe2)3 및 본원의 실시예 중 실시예 2, 3, 및 6의 방법에 의해 제조된 하프늄 전구체를 사용한 HfO2 박막의 SIMS 성분 분석 결과를 나타낸 것이다.
Claims (14)
- 하기 화학식 1로서 표시되는, 하프늄 전구체 화합물을 포함하는 하프늄-함유 막 형성용 전구체 조성물로서,
상기 하프늄-함유 막은 원자층 증착법에 의해 증착되는 것인,
하프늄-함유 막 형성용 전구체 조성물:
[화학식 1]
(R1R2N)xHf(NR3R4)4-x;
상기 화학식 1에서,
x는 1, 2 또는 3이고,
R1 및 R2는, 각각 독립적으로, 선형 또는 분지형의 C1-C5 알킬기이며,
상기 -NR3R4는, -NEt(isoPr), -NEt(tertBu), 또는 -N(isoPr)(tertBu)인 것이고,
단, -NR1R2 및 -NR3R4는 서로 다른 것임. - 제 1 항에 있어서,
상기 화학식 1에서,
R1 및 R2는, 각각 독립적으로, 메틸기, 에틸기, n-프로필기, iso-프로필기, n-부틸기, iso-부틸기, sec-부틸기, tert-부틸기, n-펜틸기, iso-펜틸기, sec-펜틸기, tert-펜틸기, neo-펜틸기 또는 3-펜틸기인, 하프늄-함유 막 형성용 전구체 조성물. - 제 1 항에 있어서,
상기 -NR1R2는, -NMeEt인 것인,
하프늄-함유 막 형성용 전구체 조성물. - 삭제
- 삭제
- 제 1 항에 있어서,
상기 하프늄 전구체 화합물은 하기 화합물에서 선택되는 하나 이상을 포함하는 것인, 하프늄-함유 막 형성용 전구체 조성물:
, , 및 . - 제 1 항에 있어서,
상기 막은 하프늄 금속 막, 하프늄-함유 산화 막, 하프늄-함유 질화 막, 하프늄-함유 탄화 막, 하프늄-함유 산질화 막, 및 하프늄-함유 탄질화 막에서 선택되는 하나 이상인 것인, 하프늄-함유 막 형성용 전구체 조성물. - 제 1 항에 있어서,
암모니아, 질소, 히드라진, 및 디메틸 히드라진에서 선택되는 하나 이상의 질소원을 추가 포함하는, 하프늄-함유 막 형성용 전구체 조성물. - 제 1 항에 있어서,
수증기, 산소, 및 오존에서 선택되는 하나 이상의 산소원을 추가 포함하는, 하프늄-함유 막 형성용 전구체 조성물. - 제 1 항에 따른 하프늄-함유 막 형성용 전구체 조성물을 이용하여 하프늄-함유 막을 형성하는 것
을 포함하며,
상기 하프늄-함유 막은 원자층 증착법에 의해 증착되는 것이고,
상기 하프늄-함유 막은 종횡비가 약 1 이상이고, 폭이 약 1 ㎛ 이하인 요철을 포함하는 기재 상에 형성되는 것인, 하프늄-함유 막 형성 방법. - 제 10 항에 있어서,
상기 하프늄-함유 막 형성용 전구체 조성물에 포함되는 하프늄 전구체 화합물은 하기 화합물에서 선택되는 하나 이상을 포함하는 것인, 하프늄-함유 막 형성 방법:
, , 및 . - 삭제
- 제 10 항에 있어서,
상기 하프늄-함유 막은 100℃ 내지 500℃의 온도 범위에서 형성되는 것인, 하프늄-함유 막 형성 방법. - 제 10 항에 있어서,
상기 하프늄-함유 막은 1 nm 내지 500 nm의 두께 범위에서 형성되는 것인, 하프늄-함유 막 형성 방법.
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| CA1329192C (en) * | 1987-11-30 | 1994-05-03 | John G. Hefner | Catalysts prepared from tetrakis (dialkylamide or diarylamide) derivatives of titanium and polymerization of olefins therewith |
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| JP5128289B2 (ja) * | 2005-12-06 | 2013-01-23 | 株式会社トリケミカル研究所 | ハフニウム系化合物、ハフニウム系薄膜形成材料、及びハフニウム系薄膜形成方法 |
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| KR101980413B1 (ko) * | 2012-04-25 | 2019-05-20 | 토소 화인켐 가부시키가이샤 | 복합 산화물 박막 제조용 조성물 및 이 조성물을 이용한 박막의 제조 방법, 및 복합 산화물 박막 |
| KR102093226B1 (ko) * | 2013-05-20 | 2020-03-25 | (주)디엔에프 | 규소함유 유기 금속 전구체 화합물, 이의 제조방법 및 이를 이용한 금속-규소 산화물 박막의 제조 방법 |
| US20170018425A1 (en) * | 2014-03-12 | 2017-01-19 | L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procédés Georges Claude | Heteroleptic diazadienyl group 4 transition metal-containing compounds for vapor deposition of group 4 transition metal-containing films |
| US20170044664A1 (en) * | 2016-10-28 | 2017-02-16 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Hafnium-containing film forming compositions for vapor deposition of hafnium-containing films |
| KR101928155B1 (ko) * | 2016-12-26 | 2019-02-26 | 연세대학교 산학협력단 | 플래시 메모리 소자 및 그 제조 방법 |
| CN109055916B (zh) * | 2018-08-30 | 2020-02-07 | 湘潭大学 | 一种peald低温制备铁电薄膜的方法及铁电薄膜 |
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2022
- 2022-02-04 KR KR1020220014814A patent/KR102623692B1/ko active Active
- 2022-02-04 WO PCT/KR2022/001746 patent/WO2022169290A1/ko not_active Ceased
- 2022-02-04 CN CN202280013504.XA patent/CN116829763A/zh active Pending
- 2022-02-04 JP JP2023547121A patent/JP2024506566A/ja active Pending
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006182709A (ja) * | 2004-12-28 | 2006-07-13 | Adeka Corp | 薄膜形成用原料、薄膜の製造方法及び金属化合物 |
| JP2012533680A (ja) | 2009-07-14 | 2012-12-27 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 高温でのiv族金属含有膜の堆積 |
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| Publication number | Publication date |
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| JP2024506566A (ja) | 2024-02-14 |
| KR20220112707A (ko) | 2022-08-11 |
| CN116829763A (zh) | 2023-09-29 |
| US20230383405A1 (en) | 2023-11-30 |
| WO2022169290A1 (ko) | 2022-08-11 |
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