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Thomas Palberg: „Confined charged colloids: freezing and melting”
Institute of Physics, Johannes-Gutenberg-Universität Mainz

The motion of highly charged colloidal particles which are confined between two a highly charged plates forming a wedge geometry is studied at low salt concentration by real-space experiments. It is found that a significant fraction of colloidal particles are trapped in the cusp of the wedge. A thorough discussion of the experimental conditions is given, to exclude like-charge attraction effects and influences of gradients. The resulting phase behaviour for confined near HS Yukawa particles is presented and discussed in comparison to theoretical ground state expectations.