Liquid plasma crystal: Coulomb crystallization of cylindrical macroscopic grains in a gas-discharge plasma |
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| Authors: | V. I. Molotkov A. P. Nefedov M. Yu. Pustyl'nik V. M. Torchinsky V. E. Fortov A. G. Khrapak K. Yoshino |
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| Affiliation: | (1) High Energy Density Research Center, Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya ul. 13/19, Moscow, 127412, Russia;(2) Faculty of Technology, Osaka University, Osaka 565-0871, Japan |
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| Abstract: | Ordered structures formed of 300-μm-long cylindrical nylon grains with diameters of 15 and 7.5 μm are obtained. In contrast to conventional spherical monodisperse grains, which, under certain conditions, form the plasma-dust Coulomb crystal, the cylindrical grains in the plasma acquire a charge of ～7×105 electrons and form a structure similar to a liquid crystal. The parameter characterizing the nonideality of the dusty component of the plasma attains 106. Grains are suspended in the striation in the horizontal plane and line up in parallel with each other. |
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