Research ArticleCONDENSED MATTER PHYSICS

Observation of the quantum valley Hall state in ballistic graphene superlattices

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Science Advances  18 May 2018:
Vol. 4, no. 5, eaaq0194
DOI: 10.1126/sciadv.aaq0194

Article Information

vol. 4 no. 5

Online ISSN: 
History: 
  • Received for publication September 21, 2017
  • Accepted for publication April 4, 2018

Author Information

  1. Katsuyosih Komatsu1,*,,
  2. Yoshifumi Morita2,
  3. Eiichiro Watanabe3,
  4. Daiju Tsuya3,
  5. Kenji Watanabe4,
  6. Takashi Taniguchi4 and
  7. Satoshi Moriyama1,*
  1. 1International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.
  2. 2Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan.
  3. 3Nanofabrication Platform, NIMS, Tsukuba, Ibaraki 305-0047, Japan.
  4. 4Research Center for Functional Materials, NIMS, Tsukuba, Ibaraki 305-0044, Japan.
  1. *Corresponding author. Email: katsuyoshi1.komatsu{at}toshiba.co.jp (K.K.); moriyama.satoshi{at}nims.go.jp (S.M.)
  • Present address: Institute of Memory Technology Research & Development, Toshiba Memory Corporation, Yokkaichi, Mie 512-8550, Japan.

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