ENERGY-TRANSFER MECHANISM IN GD2(SIO4)O CE SCINTILLATORS

被引:39
作者
SUZUKI, H [1 ]
TOMBRELLO, TA [1 ]
MELCHER, CL [1 ]
SCHWEITZER, JS [1 ]
机构
[1] SCHLUMBERGER DOLL RES CTR, RIDGEFIELD, CT 06877 USA
关键词
D O I
10.1109/23.322788
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The scintillation decay of cerium-doped gadolinium oxyorthosilicate Gd2(SiO4)O:Ce is lengthened by the energy transfer from Gd to Ce. To investigate the role of the Gd in the scintillation processes, the Gd was partially replaced by optically inactive rare earth elements, Y and Lu, and the effective transfer rates from Gd to Ce were measured as a function of Gd and Ce concentrations using UV- and gamma-ray excitations. The data clearly indicate the dilution of the Gd by the Y and the Lu further lengthens the migration time through the Gd in the energy transfer process from Gd to Ce.
引用
收藏
页码:681 / 688
页数:8
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