Visualizing dislocation nucleation by indenting colloidal crystals
Article Abstract:
A demonstration that an analogue of nano-indentation performed on a colloidal crystal provides direct images of defect formation in real time and on the single particle level, allowing probing the effects of thermal fluctuations is presented. A new method is implemented to determine the strain tensor of a distorted crystal lattice and the critical dislocation loop size and the rate of dislocation nucleation are measured.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
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In situ observation of colloidal monolayer nucleation driven by an alternating electric field
Article Abstract:
Real time direct imaging and quantitative measurements of the pre- and post nucleation processes of colloidal spheres and the kinetics of nucleation driven by an alternating electric field, under well defined thermodynamic driving forces are presented.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
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