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Schall, P., Cohen, I., Weitz, D. A., & Spaepen, F. (2004). Visualization of dislocation dynamics in colloidal crystals. Science, 305(5692), 1944-1948.
Schall, Peter, et al. "Visualization of dislocation dynamics in colloidal crystals." Science 305.5692 (2004): 1944-1948.
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P Schall, I Cohen, DA Weitz, F Spaepen - Science, 2004 - science.org

Visualization of dislocation dynamics in colloidal crystals.

Computer and Information Science and Engineering Minority-Serving Institutions Research Expansion Program AND Program Evaluation

Cohen, Schall, Weitz

GSID: fncaUMA2eM4J

Excerpt

The dominant mechanism for creating large irreversible strain in atomic crystals is the motion of dislocations, a class of line defects in the crystalline lattice. Here we show that the motion of dislocations can also be observed in strained colloidal crystals, allowing detailed investigation of their topology and propagation. We describe a laser diffraction microscopy setup used to study the growth and structure of misfit dislocations in colloidal crystalline films. Complementary microscopic information at the single-particle level is obtained with a …

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