Multifunctional Sodium Lanthanide Silicates: From Blue Emitters and Infrared S‐Band Amplifiers to X‐Ray Phosphors

Multifunctional Sodium Lanthanide Silicates: From Blue Emitters and Infrared S‐Band Amplifiers to X‐Ray Phosphors
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DOI:
10.1002/adma.200304474
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发表时间:
2003-06
期刊:
影响因子:
29.4
通讯作者:
D. Ananias;A. Ferreira;L. D. Carlos;J. Rocha
D. Ananias;A. Ferreira;L. D. Carlos;J. Rocha
中科院分区:
材料科学1区
文献类型:
--
作者:
D. Ananias;A. Ferreira;L. D. Carlos;J. Rocha

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在Na3(Y1-AMA)Si3O9(M=Tm3+,Tb3+;a= 0-1)体系中,对稀土阳离子及其含量的合理选择允许在非常宽的范围内调节光学性质。这些材料具有相同的框架结构,并包括基于Tu的蓝色和红外发射器以及基于Tb的X射线荧光粉(见图中的光谱)。通过改变Y3+/Tm3+的摩尔比,可以在某些红外区控制发射。
A judicious choice of the lanthanide cation and its content in the Na3(Y1–aMa)Si3O9(M=Tm3+, Tb3+;a= 0–1) system allows the optical properties to be tuned over a very wide range. The materials have the same framework structure and encompass thulium‐based blue‐ and infrared‐emitters and terbium‐based X‐ray phosphors (see spectra in Figure). The emission can be controlled in some infrared regions by varying the Y3+/Tm3+molar ratio.