18 December, 2014

Amazing state transitions!

Here are some interesting papers published recently.


NATURE COMMUNICATIONS | ARTICLE
  
Ultra-responsive soft matter from strain-stiffening hydrogels

Maarten Jaspers, Matthew Dennison, Mathijs F. J. Mabesoone, Frederick C. MacKintosh, Alan E. Rowan and Paul H. J. Kouwer

Few synthetic hydrogels are known to display strain-stiffening behaviour. Here, Jaspers et al. show how concentration, polymer length and temperature can be used to modify the mechanical properties of synthetic gels to access mechanically highly sensitive and responsive materials


Evolution of hidden localized flow during glass-to-liquid transition in metallic glass

Z. Wang, B. A. Sun, H. Y. Bai and W. H. Wang

Glasses are known to have very slow flow behaviour on application of force, but the structural basis for this flow is currently unclear. Here Wang et al. use a dynamic mechanical analysis to study the flow phenomena in a La-based metallic glass.



Nature Materials January 2015 Volume 14, No 1

Colloidal matter
Model colloidal systems provide insight into aspects of the structure and dynamics of particulate systems on a broad range of length and time scales. In this focus issue, we highlight recent developments in colloidal self-assembly and colloidal phase transitions.


Order through entropy
Daan Frenkel
Nature Materials 14, 9–12 (2015) doi:10.1038/nmat4178
Published online 17 December 2014



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