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Selected Works of Peter M. Hoffmann
Article
Dynamic Solidification in Nanoconfined Water Films
Physical Review Letters (2010)
  • Peter M. Hoffmann, Embry-Riddle Aeronautical University
  • Shah H. Khan, Wayne State University
  • George Matei, Wayne State University
  • Shivprasad V. Patil, Indian Institute of Science Education and Research
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Abstract
Mechanical properties of nanoconfined water layers are still poorly understood and continue to create controversy, despite their importance for biology and nanotechnology. We report on dynamic nanomechanical measurements of water films compressed to a few single molecular layers. We show that the mechanical properties of nanoconfined water layers change significantly with their dynamic state. In particular, we observed a sharp transition from viscous to elastic response even at extremely slow compression rates, indicating that mechanical relaxation times increase dramatically once water is compressed to less than 3–4 molecular layers.
Keywords
  • nanotechnology,
  • molecular layers,
  • biology
Disciplines
Publication Date
August 30, 2010
DOI
https://doi.org/10.1103/PhysRevLett.105.106101
Citation Information
Peter M. Hoffmann, Shah H. Khan, George Matei and Shivprasad V. Patil. "Dynamic Solidification in Nanoconfined Water Films" Physical Review Letters (2010) p. 106101-1 - 106101-4
Available at: http://works.bepress.com/peter_m_hoffmann/42/