Twisted bilayer graphene fabricated by direct bonding in a high vacuum

Hitoshi Imamura, Anton Visikovskiy, Ryosuke Uotani, Takashi Kajiwara, Hiroshi Ando, Takushi Iimori, Kota Iwata, Toshio Miyamachi, Kan Nakatsuji, Kazuhiko Mase, Kazuhiko Mase, Tetsuroh Shirasawa, Fumio Komori, Satoru Tanaka

研究成果: Contribution to journalArticle

抜粋

Twisted bilayer graphene (TBG), in which two monolayer graphene are stacked with an in-plane rotation angle, has recently become a hot topic due to unique electronic structures. TBG is normally produced in air by the tear-and-stack method of mechanical exfoliation and transferring graphene flakes, by which a sizable, millimeter-order area, and importantly clean interface between layers are hard to obtain. In this study, we resolved these problems by directly transferring the easy-to-exfoliate CVD-grown graphene on SiC substrate to graphene in a high vacuum without using any transfer assisting medium and observed electronic band modulations due to the strong interlayer coupling.

元の言語英語
記事番号075004
ジャーナルApplied Physics Express
13
発行部数7
DOI
出版物ステータス出版済み - 7 1 2020

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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    Imamura, H., Visikovskiy, A., Uotani, R., Kajiwara, T., Ando, H., Iimori, T., Iwata, K., Miyamachi, T., Nakatsuji, K., Mase, K., Mase, K., Shirasawa, T., Komori, F., & Tanaka, S. (2020). Twisted bilayer graphene fabricated by direct bonding in a high vacuum. Applied Physics Express, 13(7), [075004]. https://doi.org/10.35848/1882-0786/ab99d1