Two dimensional fluoride ion conductor RbSn2F5 studied by impedance spectroscopy and 19F, 119Sn, and 87Rb NMRK. Yamada, M. M. Ahmad, Y. Ogiso, T. Okuda, J. Chikami, G. Miehe, H. Ehrenberg and H. FuessEur. Phys. J. B, 40 2 (2004) 167-176DOI: https://doi.org/10.1140/epjb/e2004-00255-1