Solid-hexatic-liquid transition in a two-dimensional system of charged dust particlesO. F. Petrov, M. M. Vasiliev, O. S. Vaulina, K. B. Stacenko, E. V. Vasilieva, E. A. Lisin, Y. Tun and V. E. FortovEPL, 111 4 (2015) 45002DOI: https://doi.org/10.1209/0295-5075/111/45002