Disassembling 2D van der Waals crystals into macroscopic monolayers and reassembling into artificial lattices
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- Fang Liu
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
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- Wenjing Wu
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
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- Yusong Bai
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
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- Sang Hoon Chae
- Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.
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- Qiuyang Li
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
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- Jue Wang
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
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- James Hone
- Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.
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- X.-Y. Zhu
- Department of Chemistry, Columbia University, New York, NY 10027, USA.
書誌事項
- 公開日
- 2020-02-21
- DOI
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- 10.1126/science.aba1416
- 公開者
- American Association for the Advancement of Science (AAAS)
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説明
<jats:title>Larger monolayers with gold tapes</jats:title> <jats:p> Although the exfoliation of monolayers of materials such as transition metal dichalcogenides produces high-quality electronic materials with low defect densities, the size of the monolayers is limited to the micrometer scale. Liu <jats:italic>et al.</jats:italic> modified this method by creating atomically flat gold layers on polymer supports. The strong van der Waals adhesion of the gold layer allowed monolayers to be exfoliated on the centimeter scale. Multilayers could be reassembled to artificial structures, such as a MoSe <jats:sub>2</jats:sub> /WSe <jats:sub>2</jats:sub> single-crystal bilayer with a twist angle chosen to quench intralayer exciton formation. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6480" page="903" related-article-type="in-this-issue" vol="367" xlink:href="10.1126/science.aba1416">903</jats:related-article> </jats:p>
収録刊行物
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- Science
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Science 367 (6480), 903-906, 2020-02-21
American Association for the Advancement of Science (AAAS)