Document Detail

Coarsening dynamics of nanodroplets on topographically structured substrates.
MedLine Citation:
PMID:  23288482     Owner:  NLM     Status:  Publisher    
Employing a biharmonic boundary integral method with linear elements, coarsening dynamics of nanodroplets on topographical step heterogeneity is investigated. It is shown that the step height and droplet configuration have an influential effect on the dynamics. Increasing the step height slows down the process while locating the droplets close to the step boosts the coarsening rate. Considering a slip boundary condition enhances the dynamics and reveals a transition in the droplet migration direction. Our results reveal that increasing the surface wettability weakens the dynamics. Various types of the disjoining pressure over the step are also considered and their effects on the coarsening are investigated.
M Asgari; A Moosavi
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-04
Journal Detail:
Title:  Journal of physics. Condensed matter : an Institute of Physics journal     Volume:  25     ISSN:  1361-648X     ISO Abbreviation:  J Phys Condens Matter     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101165248     Medline TA:  J Phys Condens Matter     Country:  -    
Other Details:
Languages:  ENG     Pagination:  045012     Citation Subset:  -    
Center of Excellence in Energy Conversion (CEEC), School of Mechanical Engineering, Sharif University of Technology, Azadi Avenue, PO Box 11365-9567 Tehran, Iran.
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