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OXYNITRIDE LUMINESCENT MATERIAL, PREPARATION METHOD THEREOF AND ILLUMINATION LIGHT SOURCE MADE FROM

2025-06-19 04:242060下载
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A nitrogen oxide luminescence material, with chemical formula : M1−yX4−xZ1+xOxN7−xx : Ry, in which M represents one or several alkali, alkaline earth, rare earth and transition metals. X represents Si with one or several of Si, Ge, B and Al. Z represents Al with one or several of Al, Ga, In. R represents one or several of luminescence center elements Eu, Ce, Tb, Yb, Sm, Pr and Dy. In the formula, 0≦x<0.5, 0
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