Atmosphere Controlled Processing of Ga‐Substituted Garnets for High Li‐Ion Conductivity Ceramics.

La3Zr2Li7-3xGax□2x O12 garnets (□: vacancy) are prepared by a citric nitrate gel route using Ga2O3, La(NO3)3, Zr(C5H7O2)4, and LiNO3 in stoichiometric quantities (1.