3 papers
cond-mat.mtrl-sci2019
Gate field effects on the topological insulator BiSbTeSe2 interface
Shuanglong Liu, Yang Xu, Yun-Peng Wang +3
Interfaces between two topological insulators are of fundamental interest in condensed matter physics. Inspired by experimental efforts, we study interfacial processes between two…
cond-mat.mes-hall2019
Tuning insulator-semimetal transitions in 3D topological insulator thin films by inter-surface hybridization and in-plane magnetic fields
Yang Xu, Guodong Jiang, Ireneusz Miotkowski +2
A pair of Dirac points (analogous to a vortex-antivortex pair) associated with opposite topological numbers (with Berry phases) can be merged together through parameter tuni…
cond-mat.mes-hall2018
Transport measurements in twisted bilayer graphene: Electron-phonon coupling and Landau level crossing
Ting-Fung Chung, Yang Xu, Yong P. Chen
We investigate electronic transport in twisted bilayer graphene (tBLG) under variable temperatures (), carrier densities (), and transverse magnetic fields, focusing on sampl…