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Ultraflat Templated Polymer Surfaces
DOI:10.1021/la804191m.png)
摘要
En 中文
The roughness of spin-cast polymer films arises from thermally activated capillary waves during preparation and typically amounts to about 0.5 nm(rms) measured on a micrometer-sized surface area. Templating from atomically flat mica substrates allows the creation of polymer films with a surface roughness approaching the molecular scale. Three regimes of spatial frequencies are identified in which the roughness is controlled by different physical mechanisms. We find that frozen-in elastic pressure waves ultimately limit the flatness of polymer films.
Keyword:
CONTACT MECHANICS
CAPILLARY WAVES
ROUGHNESS
STORAGE
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期刊
IF:
3.9
论文数:
5.4W
被引数:
10.6W
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