221 citations · 1.1k across the 11 of their papers we have counts for
11 papers
Realistic simulation of reflection high-energy electron diffraction patterns for two-dimensional lattices using Ewald construction
Chong Liu, Kai Chang, Ke Zou
Reflection high-energy electron diffraction (RHEED) is a powerful tool for characterizing crystal surface structures. However, the setup geometry leads to distorted and complicated…
Topological bosonic states on ribbons of honeycomb lattice
Yiping Wang, Xingchuan Zhu, Kefei Zou +2
The topological properties of hardcore bosons on ribbons of honeycomb lattice are studied using quantum Monte Carlo simulations. We map out a rich phase diagram with the superfluid…
Effective Mass in Bilayer Graphene at Low Carrier Densities: the Role of Potential Disorder and Electron-Electron Interaction
J. Li, L. Z. Tan, K. Zou +6
In a two-dimensional electron gas, the electron-electron interaction generally becomes stronger at lower carrier densities and renormalizes the Fermi liquid parameters such as the…
Electron-electron interaction and electron-hole asymmetry in bilayer graphene (Supporting Materials)
K. Zou, X. Hong, J. Zhu
We report precision measurements of the effective mass m* in high-quality bilayer graphene using the temperature dependence of the Shubnikov-de Haas oscillations. In the density ra…
Electron-electron interaction and electron-hole asymmetry in bilayer graphene
K. Zou, X. Hong, J. Zhu
We report precision measurements of the effective mass m* in high-quality bilayer graphene using the temperature dependence of the Shubnikov-de Haas oscillations. In the density ra…
Unusual Resistance Hysteresis in n-Layer Graphene Field Effect Transistors Fabricated on Ferroelectric Pb(Zr_0.2Ti_0.8)O_3
X. Hong, J. Hoffman, A. Posadas +3
We have fabricated n-layer graphene field effect transistors on epitaxial ferroelectric Pb(Zr_0.2Ti_0.8)O_3 (PZT) thin films. At low gate voltages, PZT behaves as a high-k dielectr…