JP7018980B2 - 所定の幅を有する原子層金属ジカルコゲナイドの直接パターン化成長方法 - Google Patents
所定の幅を有する原子層金属ジカルコゲナイドの直接パターン化成長方法 Download PDFInfo
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Description
Claims (19)
- 金属ジカルコゲナイドの原子層のパターンを成長させる方法であって、
基材を提供することと、
炭素ナノ構造の整列されたパターンを前記基材上に提供することと、
前記炭素ナノ構造のパターンの第1の部分と接触する第1の金属部分、及び前記炭素ナノ構造のパターンの第2の部分と接触する第2の金属部分を提供することと、
塩層を前記基材及び前記炭素ナノ構造のパターン上に堆積させることと、
前記炭素ナノ構造のパターンを抵抗加熱して、前記炭素ナノ構造のパターン及び前記炭素ナノ構造のパターン上に堆積された塩を前記基材から除去することであって、前記炭素ナノ構造及び前記炭素ナノ構造のパターン上に堆積された塩のパターンを前記基材から除去することは、前記基材上に塩パターンを提供する、除去することと、
金属ジカルコゲナイドの原子層を前記塩パターン上に成長させることであって、金属酸化物及びカルコゲンを前記塩パターン上に共堆積させることを含み、前記金属ジカルコゲナイドの原子層は、所定の幅を各々有する整列されたパターンで提供される、成長させることと、を含む、方法。 - 前記基材が、SiO2を含む、請求項1に記載の方法。
- 前記炭素ナノ構造のパターンが、炭素ナノ構造のストリップを含む、請求項1に記載の方法。
- 前記炭素ナノ構造が、炭素ナノチューブを含む、請求項1に記載の方法。
- 前記第1の金属部分及び/又は前記第2の金属部分が、Ti、Cu、Au、及びこれらの組み合わせからなる群から選択される金属を含む、請求項1に記載の方法。
- 前記塩層が、NaBrを含む、請求項1に記載の方法。
- 前記炭素ナノ構造のパターンを抵抗加熱して、前記炭素ナノ構造のパターン及び前記炭素ナノ構造のパターン上に堆積された塩を前記基材から除去することが、
電圧源、前記第1の金属部分、前記第2の金属部分、金属配線、及び前記炭素ナノ構造のパターンから形成された電気ネットワークを提供することと、
前記電気ネットワークを通る電流を流して、前記炭素ナノ構造のパターンの少なくとも一部分をエッチングすることと、を含む、請求項1に記載の方法。 - 前記炭素ナノ構造のパターン及び前記炭素ナノ構造のパターン上に堆積された塩の約100%が、抵抗加熱を介して前記基材から除去される、請求項7に記載の方法。
- 前記金属配線が、Ti、Cu、Au、及びこれらの組み合わせからなる群から選択される金属を含む、請求項7に記載の方法。
- 前記塩パターンが、塩ストリップを含む、請求項1に記載の方法。
- 前記塩ストリップの各々が、約5nm以下の幅を有する、請求項10に記載の方法。
- 前記金属酸化物が、二酸化タングステン、三酸化タングステン、二酸化モリブデン、及びこれらの組み合わせからなる群から選択され、
前記カルコゲンは、セレン、硫黄、及びこれらの組み合わせからなる群から選択される、請求項1に記載の方法。 - 前記金属ジカルコゲナイドの原子層が、二硫化モリブデンを含む、請求項12に記載の方法。
- 前記所定の幅が、約5nm以下である、請求項1に記載の方法。
- 前記金属ジカルコゲナイドの原子層の前記整列されたパターンが、前記金属ジカルコゲナイドの原子層のリボンを含む、請求項1に記載の方法。
- 金属ジカルコゲナイドのパターン化成長方法であって、
第1の端部及び第2の端部を含む基材と、前記基材を部分的に被覆する前記第1の端部と前記第2の端部との間に延在するパターンを画定する複数の炭素ナノチューブを提供することと、
塩層を前記基材上に堆積させることと、
前記基材から前記パターンを除去して、露出した基材の交互ストリップ、及び前記第1の端部と前記第2の端部との間に延在する塩被覆された基材のストリップを形成することと、金属ジカルコゲナイドの層を前記塩被覆された基材のストリップ上に成長させることと、を含む、方法。 - 前記基材から前記パターンを除去する工程が、前記炭素ナノチューブに電流を印加することを含む、請求項16に記載の方法。
- 前記基材を提供する工程が、
前記第1の端部に隣接する前記基材上に触媒又は触媒前駆体を堆積させることと、
炭素源を導入することと、
前記パターンを形成するために炭素ナノチューブを成長させることと、を含む、請求項16に記載の方法。 - 前記基材を提供する工程が、
前記基材の前記第1の端部に隣接する第1の金属部分を前記炭素ナノチューブパターンの第1の部分と接触させて堆積させることと、前記基材の前記第2の端部に隣接する第2の金属部分を、前記炭素ナノチューブパターンの第2の部分と接触させて堆積させることと、を含み、前記基材から前記パターンを除去する工程が、前記炭素ナノチューブに電流を印加することを含む、請求項18に記載の方法。
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US12060642B2 (en) | 2020-04-16 | 2024-08-13 | Honda Motor Co., Ltd. | Method for growth of atomic layer ribbons and nanoribbons of transition metal dichalcogenides |
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JP2017128461A (ja) | 2016-01-18 | 2017-07-27 | 富士通株式会社 | 半導体装置及び層状カルコゲナイド膜の成長方法 |
WO2017210264A1 (en) | 2016-06-03 | 2017-12-07 | Ohio University | Directed growth of electrically self-contacted monolayer transition metal dichalcogenides with lithographically defined metallic patterns |
JP2018123039A (ja) | 2017-02-03 | 2018-08-09 | 公立大学法人首都大学東京 | ナノリボン及びその製造方法 |
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