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, Remerciements Je souhaite remercier profondément les nombreuses personnes qui ont contribué à ce travail

D. , P. Morin, S. Le-synchrotron, L. Région-grand, L. Est et al.,

. Stéphane, K. Olivier, . Sébastien, J. François, J. Carlos et al., Stéphane qui m'ont tous apporté, à un moment, vol.101

C. La-ligne-de-lumière, et François pour leur disponibilité, l'ambiance chaleureuse et la haute performance de cette ligne de lumière

M. Gauthier, . Kosseila, . Ibrahim, . Quentin, . Elmer et al., Loïs pour l'ambiance, l'entraide et la bonne humeur de chacun, vol.101

, Daniel pour les nombreuses discussions. Alexandre, Hervé et Bertrand pour avoir suivi avec attention l'évolution de mon travail

C. C. Le, . Daum-;-danielle, A. Ludovic, C. Olivier-;-le, P. Sylvie et al., Vinci) pour cet outil formidable et opérationnel qu'est le TUBE. Le CC 3M : Jaafar et Sylvie pour leur savoir-faire et leur travail acharné

, Je veux remercier par-dessus tous les personnes suivantes

, pour les histoires, pour les Houches et tout le reste. Sébastien pour m'avoir épaulé, enseigné et fait confiance tout au long de ma thèse. Carlos pour son bel accent et sa motivation sans faille. Elmer pour avoir partagé le bureau et toutes sortes d'anecdotes avec moi, Patrick pour avoir été disponible tout le temps pendant les périodes synchrotron, pour le ravitaillement (indispensable)

V. Jean-loïs, Y. Arnaud, and J. ,

F. Et-puis, François et Stéphane qui m'ont tout appris, avec patience et gentillesse