53 citations · 72 across the 3 of their papers we have counts for
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Anisotropic Pseudospin Tunneling in Two-Dimensional Black Phosphorus Junctions
Young Woo Choi, Hyoung Joon Choi
We investigate the role of pseudospin structure of few-layer black phosphorus (BP) in interband tunneling properties in lateral BP junctions. We find that interband tunneling is cr…
Dichotomy of Electron-Phonon Coupling in Graphene Moiré Flat Bands
Young Woo Choi, Hyoung Joon Choi
Graphene moire superlattices are outstanding platforms to study correlated electron physics and superconductivity with exceptional tunability. However, robust superconductivity has…
Intrinsic Band Gap and Electrically Tunable Flat Bands in Twisted Double Bilayer Graphene
Young Woo Choi, Hyoung Joon Choi
We present atomistic calculations on structural and electronic properties of twisted double bilayer graphene (TDBG) consisting of two sets of rotationally misaligned Bernal-stacked…
Strong electron-phonon coupling, electron-hole asymmetry, and nonadiabaticity in magic-angle twisted bilayer graphene
Young Woo Choi, Hyoung Joon Choi
We report strong electron-phonon coupling in magic-angle twisted bilayer graphene (MA-TBG) obtained from atomistic description of the system including more than 10000 atoms in the…