欢迎登录材料期刊网

材料期刊网

高级检索

研究了M3Gd(PO4)3:Tm3+(M=Sr,Ba,Ca,Mg)样品的结构特性、发光特性.M3Gd(PO4)3:Tm3+属于立方晶系.基质掺入铥离子后其结构没有明显变化.M3Gd(PO4)3:Tm3+在166 nm和210 nm附近有强烈的吸收峰.位于166 nm附近的强烈吸收峰归因于基质的强烈吸收,210 nm附近的吸收峰则归因于Gd3+的8S7/2-6GJ的能级跃迁.在166 nm真空紫外光激发下,样品在453 nm及363 nm处有较强的发射峰,发射主峰位于453 nm.随着样品中阳离子的变化,M3Gd(PO4)3:Tm3+的激发峰发生强烈变化,从而导致其发射光谱有了较大变化.

参考文献

[1] Monine B;Bizarri G .[J].Optical Materials,2006,28:58.
[2] Sasum U;Kloss M;Rohmann A;Schwarz L;Haberland D .Optical properties of some rare earth and alkaline rare earth orthophosphates[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,1997(0):255-256.
[3] Rao RP .TM3+ activated lanthanum phosphate: a blue PDP phosphor[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2005(3/4):271-278.
[4] Liang Hongbin;Tao Ye;Xu Jianghua .[J].Journal of Solid State Chemistry,2004,177:901.
[5] Schwarz L;Finke B;Kloss M;Rohmann A;Sasum U;Haberland D .Investigations on the electronic structure of double phosphates of the type M3RE(PO4)(2) (RE equals rare earths, lanthanides)[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,1997(0):257-259.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%