Closing surface bandgap in thin Bi2Se3/Graphene heterostructure Jimin Chae, Seoung-Hun Kang, Sang Han Park, Han-Bum Park, Kwang-sik Cheong, Tae-hyeon Kim, Seok-bo Hong, Keun Su Kim, Young-Kyun Kwon, Jeong Won Kim, and Mann-Ho Cho, ACS Nano 13 (4), 3931-3939 (2019).
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