PHOSPHOR AND RADIATION IMAGE STORAGE PANEL EMPLOYING THE SAME

摘要

A divalent europium activated alkaline earth metal fluorohalide phosphor containing a transition metal as a coacitivator and a sodium halide, having the formula (I): MIIFXxxNaX':yEu2+:zA (I) in which MII is at least one alkaline earth metal selected from the group consisting of Ba, Sr and Ca; each of X and X' is at least one halogen selected from the group consisting of Cl, Br and I; A is at least one transition metal selected from the group consisting of V, Cr, Mn, Fe, Co and Ni; and x, y and z are numbers satisfying the conditions of 0