| 摘要 |
A vacuum ultraviolet ray-excited light-emitting phosphor comprising a compound represented by formula (BaxM1-x)1-0.25yMg1-yAl10+yO17+0.25y as a substrate, and Eu as an activator, wherein M represents Ca, Sr, or Ca and Sr, x and y satisfy the following relations, 0.5<=x <=1 , and 0.05<=y<=0.15.
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