High temperature MBE of graphene on sapphire and hexagonal boron nitride flakes on sapphire
Tin S. Cheng, Andrew Davies, Alex Summerfield, YongJin Cho, Izabela Cebula, Richard J. A. Hill, Christopher J. Mellor, Andrei N. Khlobystov, Takashi Taniguchi, Kenji Watanabe, Peter H. Beton, C. Thomas Foxon, Laurence Eaves, Sergei V. Novikov.