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Solid-state dewetting of silver-thin films: self-assembled nano-geometries
IOP SciNotes Pub Date : 2020-12-08 , DOI: 10.1088/2633-1357/abcea2
M T Sultan , A Manolescu , H G Svavarsson , A Valfells

The study presents the dynamics of solid-state dewetting of silver (Ag)-film annealed in N2 ambient, analyzed by atomic force microscopy and scanning electron microscopy. Varying the annealing parameters (i.e. temperature and time) and Ag-film thicknesses were taken into account, to determine their effect over the solid-state dewetting of Ag-films. Several morphological evolutions from nanohole to the presence of metastable nanorings were observed. It was determined that structures annealed at high temperature (≥900 C) and/or time (≥2 h) results in formation of metastable nanorings and whose geometrical aspects and population grew with increasing film thickness. Possible applications of the structures for fabrication of silicon nanowire arrays and photo-emitters are briefly described.



中文翻译:

银薄膜的固态去湿:自组装纳米几何结构

该研究展示了在 N 2环境中退火的银 (Ag) 膜的固态去湿动力学,通过原子力显微镜和扫描电子显微镜进行了分析。改变退火参数(即温度和时间)和银膜厚度被考虑在内,以确定它们对银膜固态去湿的影响。观察到从纳米孔到亚稳态纳米环的几种形态演变。确定在高温(≥900℃)和/或时间(≥2h)下退火的结构导致亚稳态纳米环的形成,其几何方面和数量随着膜厚度的增加而增长。简要描述了用于制造硅纳米线阵列和光电发射器的结构的可能应用。

更新日期:2020-12-08
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