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Abstract：
Sr-doped single crystals (C1-xSx)12A7:e(-) (x = 0, 0.01, 0.02, 0.03) were successfully fabricated by floating zone method. It is found that Sr-doping decreases the reduction time from 30 h to 20 h. The maximum emission current of (C1-xSx)12A7:e(-) is greatly improved by 50% than that of the un-doped. The DFT calculations show Sr-doping in C12A7 contributed to the free O2- in the cages spread out, leading to a short reduction time; increase the ＂window＂ between two adjacent cages that is conducive to the electrons in cages to escape. And the work function of the (C1-xSx)12A7:e(-) is lower than that of C12A7:e(-).
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CURRENT APPLIED PHYSICS
ISSN： 1567-1739
Year： 2020
Issue： 1
Volume： 20
Page： 96-101
2 . 4 0 0
JCR@2022
ESI Discipline： PHYSICS;
ESI HC Threshold：100
Cited Count：
WoS CC Cited Count： 15
SCOPUS Cited Count： 17
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 7
