Mapping Polymer Heterogeneity Using Atomic Force Microscopy Phase Imaging and Nanoscale Indentation
β Scribed by Raghavan, D.; Gu, X.; Nguyen, T.; VanLandingham, M.; Karim, A.
- Book ID
- 121225609
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 532 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0024-9297
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Surface wear of coatings occurring at extremely low loads and in nanocontacts is of great importance for the development and the reliability of structural/functional nanocomponents in micro/nanoelectromechanical systems. To date, appropriate tools for mapping the nanoscale wear of thin coatings are
## Abstract Poly(methacrylic acid) was grafted on a nanoporous polycarbonate membrane using the glowβdischarge method. Atomic force microscopy showed that the pore size is dependent upon pH in such a way that a low pH the graft chains are protonated and contracted to open the pore, whereas at high