Three-dimensional strongly coupled plasma crystal under gravity conditions |
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| Authors: | Zuzic M Ivlev A V Goree J Morfill G E Thomas H M Rothermel H Konopka U Sütterlin R Goldbeck D D |
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| Institution: | Max-Planck-Institut für Extraterrestrische Physik, D-85740 Garching, Germany. zuzic@mpe.mpg.de |
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| Abstract: | Experiments were carried out to investigate a three-dimensional (3D) plasma crystal. A method of determining the positions of each individual microparticle has been developed. A crystal volume of about 2x10(4) particles in 19 horizontal planes was analyzed. Direct imaging and the 3D pair correlation function show that "domains" of fcc and hcp lattices coexist in the crystal. Other structures, in particular, the theoretically predicted bcc lattice, were not observed. |
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