| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a phosphor which emits a red light when an electromagnetic radiation such as an X-ray passes. <P>SOLUTION: The phosphor (4), in which a guest substance that converts the energy of an electron of an excited host substance into luminescence is added to the host substance excited when an electromagnetic wave (2a) passes, includes the host substance that contains at least sulfur, barium, and gallium, and the guest substance that contains at least samarium and converts the energy of the electron into red luminescence. <P>COPYRIGHT: (C)2012,JPO&INPIT |
