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Controllable Strain-driven Topological Phase Transition and Dominant Surface State Transport in High-Quality HfTe5 Samples
Jinyu Liu, Yinong Zhou, Sebastian Yepez Rodriguez +11
Controlling materials to create and tune topological phases of matter could potentially be used to explore new phases of topological quantum matter and to create novel devices wher…
Mechanical detection and imaging of hyperbolic phonon polaritons in hexagonal Boron Nitride
Antonio Ambrosio, Luis A. Jauregui, Siyan Dai +7
Mid-infrared nano-imaging and spectroscopy of two-dimensional (2D) materials have been limited so far to scattering-type Scanning Near-field Optical Microscopy (s-NSOM) experiments…
In-surface confinement of topological insulator nanowire surface states
Fan W. Chen, Luis A. Jauregui, Yaohua Tan +4
The bandstructures of [110] and [001] Bi2Te3 nanowires are solved with the atomistic 20 band tight binding functionality of NEMO5. The theoretical results reveal: The popular assum…
Raman spectra and electron-phonon coupling in disordered graphene with gate-tunable doping
Isaac Childres, Luis A. Jauregui, Yong P. Chen
We report a Raman spectroscopy study of graphene field-effect transistors (GFET) with a controlled amount of defects introduced in graphene by exposure to electron-beam irradiation…
Electrical and thermal conductivities of reduced graphene oxide/polystyrene composites
Wonjun Park, Jiuning Hu, Luis A. Jauregui +2
The author reports an experimental study of electrical and thermal transport in reduced graphene oxide (RGO)/polystyrene (PS) composites. The electrical conductivity () of RGO/P…
Synthetic Graphene Grown by Chemical Vapor Deposition on Copper Foils
Ting Fung Chung, Tian Shen, Helin Cao +5
The discovery of graphene, a single layer of covalently bonded carbon atoms, has attracted intense interests. Initial studies using mechanically exfoliated graphene unveiled its re…