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Finite element analysis of ion-implanted diamond surface swelling

  Articoli su Riviste JCR/ISI  (anno 2010)

Autori:  Bosia F., Calusi S., Giuntini L., Lagomarsino S., Lo Giudice A., Massi M., Olivero P., Picollo F., Sciortino S., Sordini A., Vannoni M., Vittone E

Affiliazione Autori:  Department of Theoretical Physics, University of Torino, Italy; Department of Experimental Physics and ‘‘Nanostructured Interfaces and Surfaces” Centre of Excellence, University of Torino, Italy; Department of Physics, University of Firenze, Italy; CNR Istituto Nazionale di Ottica Applicata (INOA), Firenze, Italy; Department of Energetics, University of Firenze, Italy; INFN Sezione di Torino, University of Torino, Italy

Riassunto:  We present experimental results and numerical finite element analysis to describe surface swelling due to the creation of buried graphite-like inclusions in diamond substrates subjected to MeV ion implantation. Numerical predictions are compared to experimental data for MeV proton and helium implantations, performed with scanning ion microbeams. Swelling values are measured with white-light interferometric profilometry in both cases. Simulations are based on a model which accounts for the through-the-thickness variation of mechanical parameters in the material, as a function of ion type, fluence and energy. Surface deformation profiles and internal stress distributions are analyzed and numerical results are seen to adequately fit experimental data. Results allow us to draw conclusions on structural damage mechanisms in diamond for different MeV ion implantations. (c) 2010 Elsevier B.V. All rights reserved.

Rivista/Giornale:  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Volume n.:  268 (19)      Pagine da: 2991  a: 2995
DOI: 10.1016/j.nimb.2010.05.025

*Impact Factor della Rivista: (2010) 1.042   *Citazioni: 21
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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