On the origin of atomistic mechanism of rapid diffusion in alkali halide nanoclustersTomoaki Niiyama, Shin-ichi Sawada Sawada, Kensuke S. Ikeda and Yasushi ShimizuEur. Phys. J. D, 68 4 (2014) 78DOI: https://doi.org/10.1140/epjd/e2014-40469-0