Laser-induced crystallization of Co(II)-doped titania

被引：14
|
作者：
HaroPoniatowski, E [1 ]
VargasMunos, S [1 ]
ArroyoMurillo, R [1 ]
RodriguezTalavera, R [1 ]
Diamant, R [1 ]
机构：
[1] UNIV AUTONOMA METROPOLITANA IZTAPALAPA,DEPT QUIM,MEXICO CITY 09340,DF,MEXICO
来源：
MATERIALS RESEARCH BULLETIN | 1996年 / 31卷 / 03期
关键词：
amorphous materials; sol-gel chemistry; Raman spectroscopy; optical properties; phase transitions;
D O I：
10.1016/0025-5408(96)00001-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Crystallization induced by continous laser irradiation at 514.5 nm on Co(II) doped titania prepared by the sol-gel process is reported. The crystallization kinetics is monitored in situ by Raman spectroscopy. It is found that the effect of Co(II) doping greatly reduces the power needed to crystallize the material as compared to pure titania. Consistently with this result, we have measured a red shift in the absorption edge upon addition of cobalt in pure titania.
引用
收藏
页码：329 / 334
页数：6
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