121 citations · 285 across the 8 of their papers we have counts for
8 papers
Light-induced renormalization of the Dirac quasiparticles in the nodal-line semimetal ZrSiSe
G. Gatti, A. Crepaldi, M. Puppin +16
In nodal-line semimetals linearly dispersing states form Dirac loops in the reciprocal space, with high degree of electron-hole symmetry and almost-vanishing density of states near…
Evidence of large polarons in photoemission band mapping of the perovskite semiconductor CsPbBr
M. Puppin, S. Polishchuk, N. Colonna +16
Lead-halide perovskite (LHP) semiconductors are emergent optoelectronic materials with outstanding transport properties which are not yet fully understood. We find signatures of la…
An electron acceptor molecule in a nanomesh: F4TCNQ on h-BN/Rh(111)
Huanyao Cun, Ari Paavo Seitsonen, Silvan Roth +4
The adsorption of molecules on surfaces affects the surface dipole and thus changes in the work function may be expected. The effect in change of work function is particularly stro…
Enhanced ultrafast relaxation rate in the Weyl semimetal phase of measured by time-and angle-resolved photoelectron spectroscopy
A. Crepaldi, G. Autès, G. Gatti +18
has recently been shown to realize in its low-temperature phase the type-II Weyl semimetal (WSM). We investigated by time- and angle- resolved photoelectron spect…
Excitation of coherent phonons in the one-dimensional Bi(114) surface
D. Leuenberger, H. Yanagisawa, S. Roth +5
We present time-resolved photoemission experiments from a peculiar bismuth surface, Bi(114). The strong one-dimensional character of this surface is reflected in the Fermi surface,…
Adsorption of silicon on Au(110): an ordered two dimensional surface alloy
Hanna Enrique, Andrew Mayne, Abdelkader Kara +9
We report on experimental evidence for the formation of a two dimensional Si/Au(110) surface alloy. In this study, we have used a combination of scanning tunneling microscopy, low…