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Type: 
Journal
Description: 
The electronic and vibrational properties of three different reconstructions of silicene on Ag(1 1 1) are calculated and compared to experimental results. The 2D epitaxial silicon layers, namely the (4 × 4), (√13 × √13) and (2√3 × 2√3) phases, exhibit different electronic and vibrational properties. Few peaks in the experimental Raman spectrum are identified and attributed to the vibrational modes of the silicene layers. The position and behavior of the Raman peaks with respect to the excitation energy are shown to be a fundamental tool to investigate and discern different phases of silicene on Ag(1 1 1).
Publisher: 
North-Holland
Publication date: 
1 Feb 2014
Authors: 

Emilio Scalise, E Cinquanta, Michel Houssa, Bas van den Broek, D Chiappe, C Grazianetti, G Pourtois, B Ealet, A Molle, M Fanciulli, VV Afanas’Ev, Andre Stesmans

Biblio References: 
Volume: 291 Pages: 113-117
Origin: 
Applied Surface Science