Displacing of sodium between Voronoi O-centered polyhedrons in sodium tetrasilicate glassL. T. San, N. V. Yen, N. T. Thao, P. K. Hung and Fumiya NoritakeEur. Phys. J. B, 94 12 (2021) 241DOI: https://doi.org/10.1140/epjb/s10051-021-00243-3