In the range 15-453 K temperature dependence of Ce3+ emissions at 450 nm un
der UV-VUV excitations is presented. Possible origins of two new emission b
ands at 582 and 651 nm have been discussed. The strong excitation states in
3-30 eV are also analyzed. (C) 1999 Elsevier Science B.V. All rights reser
ved.