[Tu-P] 2D materials

[Tu-P-49] Observation of Robust Shell Filling in Graphite-Gated Bilayer Graphene Quantum Dots

〇Minjun Park¹, Lara Ostertag², Taniguchi Takashi³, Watanabe Kenji³, Thomas Ihn², Klaus Ensslin², Youngwook Kim¹ (1. Daegu Gyeongbuk Inst. of Sci. and Tech. (Korea), 2. ETH Zurich (Switzerland), 3. NIMS (Japan))

We report disorder-free, all-graphite-gated bilayer graphene quantum dots. Transport measurements at 1.5 K reveal robust confinement with charging energies exceeding 5 meV and distinct 4-fold spin-valley shell filling, establishing a high-quality platform for coherent qubit manipulation.