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Rare earth-barium fluorohalide-based phosphor film precursor

2025-06-19 03:582450下载
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Spherical particles of a rare earth activated barium fluoride halide phosphor precursor having the formula(I) : [in which Mis Ca or Sr; Mis Li, Na, K, Rb or Cs; X is Cl, Br or I; Ln is a rare earth element; and a, y and z are numbers satisfying the conditions of 0<=a<=0.5, 0<=y<=0.05, and 0
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