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Rare earth-alkaline earth metal fluorohalide immunopotentiating stimulable phosphor and radiogram co

2025-06-21 18:433460下载
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Provided are a rare earth activated alkaline earth metal fluorohalide stimulable phosphor exhibiting high image quality of radiation images and reduction of luminance degradation, and a radiation image conversion panel employing the stimulable phosphor represented by Formula (1) Ba (1-x) M 2 (x) FBr (y) I (1-y) : aM 1 , bLn, cO, wherein M 1 is at least an alkali metal selected from the group consisting of Li, Na, K, Rb and Cs; M 2 is at least an alkaline earth metal selected from the group consisting of Be, Mg, Sr and Ca; Ln is at least a rare earth element selected from the group consisting of Ce, Pr, Sm, Eu, Gd, Tb, Tm, Dy, Ho, Nd, Er and Yb; and x, y, a, b and c are values meeting the following conditions : 0‰ x‰ 0.3, 0‰ y‰ 0.9, 0‰ a‰ 0.05 0
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