Patent ID: 8563949

Claim:
A phosphor-doped fluoroperovskite compound, wherein the compound stores at least part of the energy of incident ionizing radiation, and releases at least part of the stored energy upon optical stimulation, and wherein the phosphor-doped fluoroperovskite compound is selected from the group consisting of: NaMgF 3 :Z d+ wherein Z d+ is the dopant phosphor ion and is selected from the group consisting of: the transition metal ions: Cu + ; Ag + ; Mn 2+ ; Mn 3+ ; Mn 4+ ; and Cr 3+ ; the rare earth metal ions: Eu 2+ ; Sm 2+ ; Sm 3+ ; Pr 3+ ; Gd 3+ ; and Tb 3+ ; and Tl + ; In + ; Ga + ; and Pb 2+ ; KMgF 3 :Z d+ wherein Z d+ is the dopant phosphor ion and is selected from the group consisting of: the transition metal ions: Cu + ; Ag + ; Mn 2+ ; Mn 3+ ; Mn 4+ ; and Cr 3+ ; the rare earth metal ions: Eu 2+ ; Sm 2+ ; Sm 3+ ; Pr 3+ ; Gd 3+ ; and Tb 3+ ; and Tl + ; In + ; Ga + ; and Pb 2+ ; and RbMgF 3 :Z d+ wherein Z d+ is the dopant phosphor ion and is selected from the group consisting of: the transition metal ions: Cu + ; Ag + ; Mn 3+ ; Mn 4+ ; and Cr 3+ ; the rare earth metal ions: Eu 2+ ; Sm 2+ ; Sm 3+ ; Pr 3+ ; Ce 3+ ; Gd 3+ ; and Tb 3+ ; and Tl + ; In + ; Ga + ; and Pb 2+ ; and mixtures of any two or more thereof.