(Li0.91Mn0.09)Mn2O4.
Lithium manganese oxide crystals with composition (Li(0.91)Mn(0.09))Mn(2)O(4) were synthesized by a flux method. The crystals have a structure closely related to that of the cubic spinel LiMn(2)O(4), but 9% of the lithium ions in the tetrahedral 4a site are substituted by Mn(2+) ions. This substitution lowers the average Mn oxidation state below 3.5+, resulting in a Jahn-Teller distortion of the MnO(6) octahedron.
Björk
H
H
Materials Chemistry, Angström Laboratory, Uppsala University, Box 538, SE-751 21 Uppsala, Sweden. helenb@kemi.uu.se
Dabkowska
H
H
Greedan
J E
JE
Gustafsson
T
T
Thomas
J O
JO