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4 papers · 2 filters
Thermal stability of standalone silicene sheet
Virgile Bocchetti, Hung T. Diep, H. Enriquez +2
Extensive Monte Carlo simulations are carried out to study thermal stability of an infinite standalone silicon sheet. We used the Tersoff potential that has been used with success…
Combined AFM and STM measurements of a silicene sheet grown on Ag(111) surface
Zsolt Majzik, Mohamed Rachid Tchalala, Martin Švec +7
In this Letter, we present the first non-contact atomic force microscopy (nc-AFM) of a silicene on silver (Ag) surface, obtained by combining non-contact atomic force microscopy (n…
Time-dependent density-functional theory of exciton-exciton correlations in the nonlinear optical response
Volodymyr Turkowski, Michael N. Leuenberger
We analyze possible nonlinear exciton-exciton correlation effects in the optical response of semiconductors by using a time-dependent density-functional theory (TDDFT) approach. Fo…
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…