Vacuum ultraviolet-excited fluorescent substance and a light emitting device using the same

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PROBLEM TO BE SOLVED : To provide a vacuum ultraviolet ray-excited fluorescent substance capable of highly improving light emission strength. ŽSOLUTION : This vacuum ultraviolet ray-excited fluorescent substance comprises a gadolinium-activated rare earth element aluminum-scandium borate represented by the general formula : (Y1-x-yGdxScy)Al3(BO3)4(0≤x1-x-y-zGdxTbyScz)Al3(BO3)4(0≤xCOPYRIGHT : (C)2007, JPO&INPIT Ž