期刊
SCRIPTA MATERIALIA
卷 115, 期 -, 页码 128-132出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2016.01.005
关键词
Solid-state dewetting; Grain growth; Surface diffusion; Scanning electron microscopy; Thin films
The dynamics of solid-state dewetting of polycrystalline silver thin films in oxygen atmosphere was investigated with in situ and real-time environmental Scanning Electron Microscopy at high temperature combined with Atomic Force Microscopy. Three steps were identified during dewetting: induction, hole propagation without specific rim and sintering. Moreover, it was observed that a very selective grain growth, promoted by surface diffusion, plays a key role all along the process. (C) 2016 Elsevier B.V. All rights reserved.
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