The efficient luminescence centres were found to be trivalent neodymium ions which, by a crystal field analysis, were shown to be located at zinc substitutional sites.
三价钕离子是有效的发光中心，利用晶场分析，三价钕离子主要是处在锌的替代位置。
2
Rectification character, field emission character of porous silicon and effect of porous silicon on luminescence character of film luminescence material are studied, too.
同时对多孔硅的整流特性、场发射性质以及多孔硅衬底对薄膜发光材料发光性能的影响进行了研究。
3
The utility model relates to a steady laser pumping up-conversion luminescence microscope which belongs to the technical field of an optical microscope.