Citation: Salem, Y; Linares, C; Jacquier, B; Saine, M C; Gasperin, M; Lejus, A M; Vivien, D (1990). The sites of Gd^3+^ in the luminescent matrix La~1- x~Gd~x~MgAl~11~O~19~: single crystal structure determination and site- selective excitation of Gd^3+^. Journal of Chemical Physics, 93, pp. 7076-7084.
Formula: Al11 Gd0.46 La0.43 Mg0.635 O18.46
Chemical name:Lanthanum gadolinium magnesium aluminium oxide (.4/.5/.6/11/18.5)