Direct observation of a buckling transition during the formation of thin colloidal crystals

6533b7d7fe1ef96bd1268262

RESEARCH PRODUCT

Direct observation of a buckling transition during the formation of thin colloidal crystals

Clemens Bechinger Thomas Palberg Paul Leiderer Stephan Neser

subject

Condensed Matter::Soft Condensed Matter Phase transition Crystallography Colloid Materials science genetic structures Buckling Direct observation Boundary value problem Colloidal crystal Composite material Atomic packing factor Wedge (geometry)

description

We have investigated a colloidal suspension in a thin wedge formed by two glass plates in the presence of a lateral pressure. Starting with a single hexagonal layer, with increasing separation between the glass plates additional layers are added. This process is accompanied by a number of structural transitions necessary to maintain a high packing fraction under the given boundary conditions. Besides the well-known sequence of hexagonal and quadratic phases, we observe two new phases which are identified with the buckling and the rhombic phase recently predicted by other authors.

year	journal	country	edition	language
2007-10-02

https://doi.org/10.1007/bfb0110778

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