205 citations · 889 across the 18 of their papers we have counts for
5 papers · 1 filter
Mechanism of Laser-induced Field Emission
Hirofumi Yanagisawa, Matthias Hengsberger, Dominik Leuenberger +4
We have measured electron energy distribution curves (EDCs) of the laser-induced field emission from a tungsten tip. Field emission from photo-excited nonequilibrium electron distr…
Observation of Topological Order in the TlBiSe2 class : Probing the "spin" and "phase" on topological insulator surfaces
Su-Yang Xu, L. A. Wray, Y. Xia +9
A topological insulator is characterized by spin-momentum locking on its boundary. The spin momentum locking on the surface of a three dimensional topological insulator leads to th…
Reversible switching of surface texture by hydrogen intercalation
T. Brugger, H. Ma, M. Iannuzzi +5
The interaction of atomic hydrogen with a single layer of hexagonal boron nitride on rhodium leads to a removal of the h-BN surface corrugation. The process is reversible as the hy…
Optical Control of Field-Emission Sites by Femtosecond Laser Pulses
Hirofumi Yanagisawa, Christian Hafner, Patrick Doná +5
We have investigated field emission patterns from a clean tungsten tip apex induced by femtosecond laser pulses. Strongly asymmetric modulations of the field emission intensity dis…
First observation of spin-helical Dirac fermions and topological phases in undoped and doped Bi2Te3 demonstrated by spin-ARPES spectroscopy
D. Hsieh, Y. Xia, D. Qian +12
Electron systems that possess light-like dispersion relations or the conical Dirac spectrum, such as graphene and bismuth, have recently been shown to harbor unusual collective sta…