FLUORESCENT BODY AND METHOD OF PRODUCING THE SAME

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PROBLEM TO BE SOLVED : To provide an oxide-based fluorescent body which is prepared using inexpensive raw material and has high light emission efficiency, and uses an element other than rare earth as a light emission element.SOLUTION : A fluorescent body comprises (1) zirconium oxide, (2) titanium, and (3) at least one element selected from the group consisting of phosphorus, selenium, boron and silicon.