Dr Julien Colaux
Julien Colaux was graduated in Physics from the University of Namur (Belgium) in September 2003, and subsequently joined the “Laboratory of Analysis by Nuclear Reactions” (LARN - University of Namur) where he undertook his PhD thesis in Physics on the “Characterisation of carbon nitride compounds synthesised by simultaneous implantation of carbon and nitrogen within copper”. During his PhD thesis, Julien developed some skills both in ion implantation and ion beam analysis (IBA). Specialised in the IBA combining different detectors (RBS, NRA and ERDA), he developed the SIMTarget tool in order to facilitate the use of SIMNRA code for the simulation of the experimental spectra. At the end of his PhD thesis, he spent 3 months at the University of Salford (England), in the Institute for Materials Research, under the supervision of Professor S.E. Donnelly, where he learned to use various techniques for the TEM sample preparation. In parallel to his research, Julien spent half of his time providing some exercises and practical labs (general physics, nuclear physics, electronics...) for the department of Physics at the University of Namur. Julien obtained his PhD in September 2009, after which he was hired on an industrial project (Tribofutur) in the same laboratory. Through this project, consisting to develop new coatings for decreasing the friction of the journal bearings in car engines, he learned to use some deposition vacuum techniques (PVD and PECVD), while continuing to develop his IBA skills. In March 2012, Julien joined the Ion Beam Centre as IBA Liaison Fellow where he works closely with Dr. Chris Jeynes.
SIMTarget code has then been designed in order to easily generate all SIMNRA target files regardless to the sample complexity. It is able to model the diffusion between two layers, as well as the presence of dopant into the sample. A graphic display shows the depth distribution of each element that is very useful to adjust the target composition during simulations.