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Preparation and Upconversion Luminescence of YAG: Er3+ Powders

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Abstract:

Y2.85Er0.15Al5O3 was prepared by combustion process. Phase evolution of the synthesized powders was determined by XRD. Single-phase cubic YAG: Er3+ crystalline powders were obtained by calcining the combusted product at 1000°C and no intermidiate phase was observed. SEM morphology showed that the resultant YAG: Er3+ powders were porous. Upconversion emission spectra were measured on the powder compact pumped by a 980nm continuous wave diode laser. The relationship between pump power and luminescence intensity suggested that a two-photon process is active in this sample. The upconversion machanism of YAG: Er3+ system was also discussed.

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Periodical:

Key Engineering Materials (Volumes 280-283)

Pages:

517-520

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.280-283.517

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Online since:

February 2007

Authors:

Min Liu, Sheng Wu Wang, Jian Zhang, Li Qiong An, Li Dong Chen

Keywords:

Upconversion, YAG: Er3+

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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