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

S. Neser | Zendy; Thomas Palberg | Zendy; Clemens Bechinger | Zendy; P. Leiderer | Zendy

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

Author(s) -

S. Neser,

Thomas Palberg,

Clemens Bechinger,

P. Leiderer

Publication year - 2007

Publication title -

steinkopff ebooks

Language(s) - English

Resource type - Book series

DOI - 10.1007/bfb0110778

Subject(s) - buckling , wedge (geometry) , materials science , colloid , hexagonal crystal system , suspension (topology) , crystallography , composite material , chemical engineering , geometry , chemistry , mathematics , engineering , homotopy , pure mathematics

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.

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