@misc{yoshiaki2023a,
  title = {Identification of the monolayer thickness difference in a mechanically exfoliated thick flake of hexagonal boron nitride and graphite for van der Waals heterostructures},
  author = {Yoshiaki Hattori, Takashi Taniguchi, Kenji Watanabe, Masatoshi Kitamura},
  publisher = {IOP Publishing},
  year = {2023-07-16},
  keywords = {Hexagonal boron nitride, van der Waals heterostructures, optical microscope}
}