FLUORESCENT SUBSTANCE AND METHOD FOR PRODUCING THE SAME

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PROBLEM TO BE SOLVED : To provide a fluorescent substance having a high emission intensity, and obtained by using an oxide solid solution emitting light of each color of RGB by a single parent body by using a solid phase reaction or a sol-gel reaction which are general methods for producing ceramics. SOLUTION : The invention is completed by making an oxide solid solution represented by the formula : Li1+x-yTa1-x-3yTix+4yO3 : RE (x and y satisfy 0.04≤x≤0.333 and 0≤y≤0.09; and the percentage of added RE2O3 is 0.5-5.0 wt.%) obtained by forming a solid solution of titanium in lithium niobate activated with a rare earth, and finding out that the emission intensity thereof is higher. COPYRIGHT : (C)2013, JPO&INPIT