In Ba(1-x)SrxZr(BO3)2:Tb3+, the VUV excitation spectrum consists of one broad band at 120~170 nm and some bands ranging from 160~300 nm. The former is assigned to
Phase formation in ternary system of complex Sc, Na and Li phosphates was studied at 950 ℃ and synthesis of new phases of definite composition was carried out.