Gravity-induced diffusion of isotope atoms in monoatomic solid SeT. Mashimo, M. Ono, X. S. Huang, Y. Iguchi, S. Okayasu, K. Kobayashi and E. NakamuraEPL, 81 5 (2008) 56002DOI: https://doi.org/10.1209/0295-5075/81/56002
