Sébastien Le Roy

Un article de Surface du verre et interfaces.

 

Contact

Sébastien Le Roy

Unité mixte Saint-Gobain/CNRS "Surface du Verre et Interfaces"

Saint-Gobain Recherche

39 quai Lucien Lefranc

93303 Auberviliers Cedex

00 33 (0)1.48.39.55.78

sebastien.leroy@saint-gobain.com

 

Research interests

Nanostructuration by ion-beam sputtering

Under the bombardment of low energy ions, a surface may spontaneously develop periodic pattern like ripples or dots. Understanding the different processes involved in the pattern formation may provide us a new method to produce nanostructures at low cost.

 

Publications

• S. Le Roy, E. Søndergård, I. S. Nerbø, M. Kildemo and M. Plapp, Diffuse-interface model for nanopatterning induced by self-sustained ion etch masking, submitted to PRL.

• S. Le Roy, E. Barthel, N. Brun, A. Lelarge, and E. Søndergård, Self-sustained etch masking: A general concept to initiate the formation of nanopatterns during ion erosion J. Appl. Phys. 106, 094308 (2009).

• I. S. Nerbø, S. Le Roy, M. Kildemo, and E. Søndergård, Real-time in-situ spectroscopic ellipsometry of GaSb nanostructures during sputtering: Identification of growth regimes Appl. Phys. Lett. 94, 213105 (2009).

• I. S. Nerbø, M. Kildemo, S. Le Roy, I. Simonsen, E. Søndergård, L. Holt and J. C. Walmsley Characterisation of nanostructured GaSb : Comparison between large-area optical and local direct microscopic techniques, Appl. Opt. 47, 5130 (2008).

• M. Kildemo, I.S. Nerbø, S. Hagen, S. Le Roy and E. Søndergård Spectroscopic ellipsometry of nanostructured GaSb surfaces consisting of densely packed 80–230 nm long cones Mater. Sci. Eng. B 165, 3 (2009).

• M. Kildemo, Y. Inntjore Levinsen, S. Le Roy and E. Søndergård Staircase and saw-tooth field emission steps from nanopatterned n-type GaSb surfaces J. Vac. Sci. Technol. A 27 5 (2009)