Exotic crystal superstructures of colloidal crystals in confinement.

6533b857fe1ef96bd12b3a64

RESEARCH PRODUCT

Exotic crystal superstructures of colloidal crystals in confinement.

Hans Joachim Schöpe Ana Barreira Fontecha

subject

Condensed Matter::Quantum Gases Condensed Matter::Soft Condensed Matter Crystal Colloid Hexagonal symmetry Materials science Chemical physics SPHERES Structural transition Colloidal crystal Yablonovite

description

Colloidal model systems have been used for over three decades for investigating liquids, crystals, and glasses. Colloidal crystal superstructures have been observed in binary systems of repulsive spheres as well as oppositely charged sphere systems showing structures well known from atomic solids. In this work we study the structural transition of colloidal crystals under confinement. In addition to the known sequence of crystalline structures, crystal superstructures with dodecagonal and hexagonal symmetry are observed in one component systems. These structures have no atomic counterpart.

year	journal	country	edition	language
2008-06-04	Physical review. E, Statistical, nonlinear, and soft matter physics

10.1103/physreve.77.061401 https://pubmed.ncbi.nlm.nih.gov/18643260

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