| 1. | Height of luminescent center
发光中心高度 |
| 2. | Light centre length
发光中心强度 |
| 3. | The hybrid spheres display strong characteristic emission of eu3 + ions . two emission species are identified in both the pure complex and the hybrid sphere
荧光光谱、激光选择激发及发光动力学的研究表明铕配合物在sio _ 2基质中存在两种发光中心。 |
| 4. | The photoluminescence spectra were found to have the peak at 360nm and 675nm . we discuss the exciting spectrum and luminescence center separately . we take ito as the underlay material
在光致发光测定中,我们得到了位于360nm和675nm的发光峰,并讨论他们的激发谱和发光中心。 |
| 5. | The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center . the excitation resource can be visible light and man - made light
它以铝酸盐陶瓷材料为基质，以稀土材料作为掺杂元素形成发光中心和陷阱中心，激发光源可以为目光或人造光源。 |
| 6. | Site - select spectra indicate that the eu3 + in nanoparcles < wp = 7 > formed two kinds of luminescence centers with different branch ratios of 5d0 - 7fj . the ratio of varied with different excitation
用不同能量激发zns时5d0 7f0与5d0 7f1发光分支比不同，表明激发能量对两类发光中心的激发具有选择性。 |
| 7. | Electron - hole pairs are created by photo - excitation in the nanoscale silicon units , and then recombined radiatively in the thin oxide layers , giving a green or red pl through the luminescence centers outside the nanoscale
不掺sb的szoz与ax层中的发光中心发射的光子能量为2 zcv ，掺sb的sfloz与引x层中的发光中心发射的光子能量为1 |
| 8. | Y2o3 : eu nanotubes were synthesized by a surfactant assembly mechanism . tem image confirms the formation of the tubular structures . under the excitation of ultraviolet light , the nanotubes show luminescence properties different from that of y2o3 : eu nanocrystallites
低温下的激光选择激发光谱表明，处于纳米管壁内部的发光中心具有较为确定的格位对称性，其发射光谱具有清晰的光谱结构。 |
| 9. | The results show that with the doping of some metal ( such as al ) , the metal elements will exist by the form of atom clusters by adjusting the sputtering parameters . it should sharply increase the intensity of el and not change the luminescence centers
结果表明在硅基薄膜中掺入适量的金属(例如：铝) ，并使其以团簇的形式均匀弥散在薄膜中，有可能既不改变薄膜的发光中心，又可大大提高其发光效率。 |
| 10. | The doping of europium did not induce any new luminescent centers , but caused the luminescent efficiency of defects to increase greatly . 4 . by changing the rinse times during the synthesis of zns nanocrystallite , the surface state was studied
4通过改变zns纳米晶制备过程中清洗的次数，比较了清洗前后发光强度的变化，分析了自激活发光中心在纳米晶中的分布状况，即自激活发光中心倾向于占据表面格位。 |
