A 6Li and 7Li MAS NMR study of the spinel-type manganese oxide LiMn2O4 and the rock salt-type manganese oxide Li2MnO3

6 Li and 7Li MAS NMR spectroscopy is used to identify distinct lithium sites in two paramagnetic manganese oxides: spinel-type LiMn2O4 and rock salt-type Li2MnO3.