JP2019218221A - 2次元材料デバイスおよびその作製方法 - Google Patents
2次元材料デバイスおよびその作製方法 Download PDFInfo
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Abstract
Description
実施の形態によれば、平坦面101aの上に形成した2次元材料層は、原子ステップをまたぐことなく形成することができる。また、凹部104は、基板101の任意の箇所に形成可能であり、2次元材料層を基板101の任意の箇所に形成できる。
Claims (6)
- 結晶からなる基板の表面に凹部を形成する第1工程と、
前記凹部の底面の結晶表面のテラスを加熱によるステップフローでより広くして平坦面を形成する第2工程と、
前記平坦面の上に2次元材料からなる2次元材料層を形成する第3工程と、
前記2次元材料層からなるデバイスを作製する第4工程と
を備えることを特徴とする2次元材料デバイスの作製方法。 - 請求項1記載の2次元材料デバイスの作製方法において、
前記第2工程では、ステップフローにより前記テラスを前記凹部の底面の全域に広げて前記凹部の底面の全域に前記平坦面を形成することを特徴とする2次元材料デバイスの作製方法。 - 請求項1または2記載の2次元材料デバイスの作製方法において、
前記基板はSiCから構成し、前記2次元材料層は、前記凹部のSiCからなる底面に加熱により形成したグラフェンであることを特徴とする2次元材料デバイスの作製方法。 - 結晶からなる基板の表面に形成された凹部と、
前記凹部の底面に形成された平坦面と、
前記平坦面の上に形成された2次元材料からなる2次元材料層と、
前記2次元材料層からなるデバイスと
を備え、
前記平坦面は、前記凹部の底面の結晶表面のテラスを加熱によるステップフローでより広くすることで形成された面であることを特徴とする2次元材料デバイス。 - 請求項4記載の2次元材料デバイスにおいて、
前記平坦面は、ステップフローにより前記テラスを前記凹部の底面の全域に広げて前記凹部の底面の全域に形成された面であることを特徴とする2次元材料デバイス。 - 請求項4または5記載の2次元材料デバイスにおいて、
前記基板は、SiCから構成され、
前記2次元材料層は、グラフェンから構成されている
ことを特徴とする2次元材料デバイス。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018115147A JP6988710B2 (ja) | 2018-06-18 | 2018-06-18 | 2次元材料デバイスの作製方法 |
| PCT/JP2019/020253 WO2019244548A1 (ja) | 2018-06-18 | 2019-05-22 | 2次元材料デバイスおよびその作製方法 |
| US16/973,386 US11651958B2 (en) | 2018-06-18 | 2019-05-22 | Two-dimensional material device and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018115147A JP6988710B2 (ja) | 2018-06-18 | 2018-06-18 | 2次元材料デバイスの作製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019218221A true JP2019218221A (ja) | 2019-12-26 |
| JP6988710B2 JP6988710B2 (ja) | 2022-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2018115147A Active JP6988710B2 (ja) | 2018-06-18 | 2018-06-18 | 2次元材料デバイスの作製方法 |
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| Country | Link |
|---|---|
| US (1) | US11651958B2 (ja) |
| JP (1) | JP6988710B2 (ja) |
| WO (1) | WO2019244548A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102812823B1 (ko) * | 2022-07-27 | 2025-05-26 | 삼성전자주식회사 | 2차원 채널층을 포함하는 층 구조 및 그 형성방법과 이 방법으로 형성된 2차원 채널층을 포함하는 전자소자 및 이를 포함하는 전자장치 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009527127A (ja) * | 2006-02-16 | 2009-07-23 | アルカテル−ルーセント ユーエスエー インコーポレーテッド | 単結晶基板上にエピタキシャル成長したグラフェン層を含むデバイス |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3360706B2 (ja) * | 1994-09-14 | 2002-12-24 | 日本電信電話株式会社 | シリコン基板の表面処理方法 |
| CN101542739B (zh) * | 2006-11-21 | 2011-03-23 | 住友电气工业株式会社 | 碳化硅半导体器件及其制造方法 |
| EP2133906A4 (en) * | 2007-04-05 | 2011-11-02 | Sumitomo Electric Industries | SEMICONDUCTOR COMPONENT AND METHOD FOR THE PRODUCTION THEREOF |
| US7858990B2 (en) * | 2008-08-29 | 2010-12-28 | Advanced Micro Devices, Inc. | Device and process of forming device with pre-patterned trench and graphene-based device structure formed therein |
| JP5644175B2 (ja) * | 2010-04-27 | 2014-12-24 | 和人 山内 | SiC基板へのグラフェン成膜方法 |
| JP6923288B2 (ja) * | 2015-08-24 | 2021-08-18 | 富士通株式会社 | 共鳴トンネルダイオードの製造方法 |
| JP6708875B2 (ja) * | 2016-04-27 | 2020-06-10 | 学校法人関西学院 | グラフェン前駆体付きSiC基板の製造方法及びSiC基板の表面処理方法 |
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- 2018-06-18 JP JP2018115147A patent/JP6988710B2/ja active Active
-
2019
- 2019-05-22 US US16/973,386 patent/US11651958B2/en active Active
- 2019-05-22 WO PCT/JP2019/020253 patent/WO2019244548A1/ja not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009527127A (ja) * | 2006-02-16 | 2009-07-23 | アルカテル−ルーセント ユーエスエー インコーポレーテッド | 単結晶基板上にエピタキシャル成長したグラフェン層を含むデバイス |
Non-Patent Citations (4)
| Title |
|---|
| FUKIDOME, H. ET AL.: "Precise control of epitaxy of graphene by microfabricating SiC substrate", APPLIED PHYSICS LETTERS, vol. 101, JPN7019002584, 2012, pages 041605 - 1, ISSN: 0004571089 * |
| HEER, WALT A. ET AL.: "Large area and structured epitaxial graphene produced by confinement controlled sublimation of silic", PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. Volume 108, Number 41, JPN7019002585, 2011, pages 16900 - 16905, ISSN: 0004571091 * |
| 吹留博一: "基板微細加工の援用による超高品質グラフェンの作製", MATERIAL STAGE, vol. 第13巻3号, JPN6019031417, 2013, pages 23 - 26, ISSN: 0004571092 * |
| 関根佳明 他: "SiC単一テラス上のグラフェン成長", 応用物理学会春季学術講演会講演予稿集, JPN6019031415, 5 March 2018 (2018-03-05), JP, ISSN: 0004571090 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US11651958B2 (en) | 2023-05-16 |
| WO2019244548A1 (ja) | 2019-12-26 |
| JP6988710B2 (ja) | 2022-01-05 |
| US20210210347A1 (en) | 2021-07-08 |
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