In situ engineering hexagonal boron nitride in van der Waals heterostructures with selective SF6 etching
Hitesh Agarwal, Antoine Reserbat-Plantey, David Barcons Ruiz, Karuppasamy Pandian Soundarapandian, Geng Li, Vahagn Mkhitaryan, Johann Osmond, Helena Lozano, Kenji Watanabe, Takashi Taniguchi, Petr Stepanov, Frank H L Koppens, Roshan Krishna Kumar.