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Particle-stabilized defect gel in cholesteric liquid crystals

Zapotocky1, Ramos, Poulin

  • 1Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA.

Science (New York, N.Y.)
|January 8, 1999
PubMed

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A perfect crystal, in theory, has a uniform structure with the same unit cell and lattice points throughout. However, any deviation from this periodic arrangement is known as an imperfection or defect. These defects can be categorized into three types: point, line, and plane defects.Point defects occur when there is a deviation from the ideal due to missing atoms, displaced atoms, or additional atoms. These imperfections might occur due to imperfect packing during crystallization or because of...