PT Journal AU Sicolo, S Kalcher, C Sedlmaier, SJ Janek, J Albe, K TI Diffusion mechanism in the superionic conductor Li₄PS₄I studied by first-principles calculations SO Solid state ionics PY 2018 BP 83 EP 91 VL 319 DI 10.1016/j.ssi.2018.01.046 LA english ER