Please use this identifier to cite or link to this item: https://doi.org/10.1002/adma.200500204
Title: Water-bridge-assisted ionic conduction in probe-induced conical polymer pattern formation
Authors: Xie, X.N. 
Chung, H.J. 
Sow, C.H. 
Bettiol, A.A. 
Wee, A.T.S. 
Issue Date: 6-Jun-2005
Citation: Xie, X.N., Chung, H.J., Sow, C.H., Bettiol, A.A., Wee, A.T.S. (2005-06-06). Water-bridge-assisted ionic conduction in probe-induced conical polymer pattern formation. Advanced Materials 17 (11) : 1386-1390. ScholarBank@NUS Repository. https://doi.org/10.1002/adma.200500204
Abstract: Water-assisted ion conduction in the formation of conical structures induced by the atomic force microscopy (AFM) probe on polymethyl methacrylates (PMMA) was analyzed. Water-assisted ion drift was found to be the predominant conduction mechanism for structure formation. The high current arising from water ionization provided effective Joule heating for polymer softening/melting. The results show that neither PMMA dissociation nor dielectric breakdown is involved in the conduction process.
Source Title: Advanced Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/112664
ISSN: 09359648
DOI: 10.1002/adma.200500204
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