[Tu-A1-B] Emerging technologies in 2D materials

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[Tu-A1-B-03] High-Electric-Field-Domain Nucleation from Lattice Dislocation in a Moiré Superlattice

〇Julien Barrier^1,2, Xueqiao Wang³, Paul Jais², Riccardo Bertini², Kenji Watanabe⁴, Takashi Taniguchi⁴, Pablo Jarillo-Herrero³, Frank Koppens² (1. Max Planck Institute for Solid State Research (Germany), 2. ICFO (Spain), 3. MIT (USA), 4. NIMS (Japan))

We report Esaki-Tsu transport in Bernal bilayer graphene/hBN moiré superlattices, where the miniband width controls the peak current. In this system, we show that lattice dislocations provide a nucleation centre for high-field domains.