Phys. Rev. Lett. 95, 018001 (2005) [4 pages]Crystallization of Confined Non-Brownian Spheres by Vibrational AnnealingReceived 21 January 2004; revised 17 March 2005; published 30 June 2005 We introduce an experimental method to crystallize ensembles of non-Brownian spheres confined in narrow containers. The method is based on programed vibrations and a cooling procedure (annealing). Starting with a granular gas, the system slowly relaxes into a solid ordered structure: Body-centered-tetragonal and face-centered-cubic single crystals are obtained depending on the dimensions of the capillaries. Dry and lubricated beads behave differently, indicating that a sticking coefficient between the particles is important in the dynamics of the crystallization. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.018001
DOI:
10.1103/PhysRevLett.95.018001
PACS:
45.70.Cc
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