Photostimulable phosphor and its use in radiography.

摘要

A photostimulable X-ray energy absorbing halosilicate, halogermanate or halo(silicate-germanate) phosphor, characterized in that said phosphor contains as host metal at least one alkaline earth metal, as halogen at least one member selected from the group consisting of Cl, Br and I, as dopant Eu<2><+> and as co-dopant at least one member selected from the group consisting of niobium and tantalum.