Neutron storage characteristics of CaBPO/sub 5/:Ce/sup 3+/ based phosphors
Neutron storage characteristics of CaBPO/sub 5/:Ce/sup 3+/ based phosphors
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CaBPO/sub 5/:Ce/sup 3/基荧光粉的中子存储特性
DOI：
10.1109/tns.2004.832287
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发表时间：
2004
影响因子：
1.8
通讯作者：
Y. Kondo
中科院分区：
文献类型：
--
作者：
K. Sakasai;M. Katagiri;M. Matsubayashi;T. Nakamura;Y. Kondo
研究了CaBPO/sub 5/：Ce/sup 3+/基荧光粉的中子存储特性。结果表明，CaBPO/sub 5/：Ce/sup 3+/荧光粉经中子辐照后，在635 nm激光的照射下产生光激发光（PSL）。CaF/sub 2/的加入提高了CaBPO/sub 5/：Ce/sup 3+/磷光体的光致发光产率。绿色激光（532 nm）似乎更有效地产生PSL信号。该磷光体可用于高伽马射线场中。褪色特性与市售中子成像板的褪色特性相似。用聚焦激光扫描圆盘状样品，获得了清晰的准直中子束像。
Neutron storage characteristics of CaBPO/sub 5/:Ce/sup 3+/ based phosphors have been investigated. The authors found that the CaBPO/sub 5/:Ce/sup 3+/ phosphor shows photostimulated luminescence (PSL) by illumination with 635 nm laser light after neutron irradiation. The PSL yields of CaBPO/sub 5/:Ce/sup 3+/ phosphor were increased by adding CaF/sub 2/. The green laser (532 nm) seemed to be more efficient to produce PSL signal. The phosphor might be usable in a high gamma-ray field. The fading characteristics were similar to those of a commercially available neutron imaging plate. Using a disk-like sample, a collimated neutron beam image was clearly obtained by scanning focused laser light on it.