Investigation of the Si-rich silicon oxide by 3D atom probe tomography
Résumé
Silicon rich silicon oxide multilayers for optical devices have been investigated by laser assisted wide angle atom probe tomography. Three dimensional mapping of silicon nanoclusters multilayers was obtained. The composition of the different phases were deduced and compared to theoretical concentration. These results evidenced a size distribution of the Si clusters diameter and an incomplete phase separation between silica and silicon particles.
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