Multifunctional sodium lanthanide silicates: From blue emitters and infrared S-band amplifiers to X-ray phosphors

abstract

A judicious choice of the lanthanide cation and its content in the Na-3(y(1-a)M(a))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.

keywords

INFORMATION TRANSFER PROPERTIES; DOPED FIBER AMPLIFIER; MU-M; IONIC-CONDUCTIVITY; ENERGY-TRANSFER; GLASS-CERAMICS; EMISSION; LASER; TM3+; NA3YSI3O9

subject category

Chemistry; Science & Technology - Other Topics; Materials Science; Physics

authors

Ananias, D; Ferreira, A; Carlos, LD; Rocha, J

our authors

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