abstract |
(57) [Summary] [Objective] To provide a novel phosphor. [Structure] In the formula Ln X A 1-X PO 4 , Ln is at least one element selected from the group of Nd, Yb and Er, and A is Y, La, Gd, Bi and C. At least one element selected from the group of e, Lu, In, and Tb, and X is a numerical value in the range of 0.01 to 0.99. |