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pro vyhledávání: '"Eduardo N. Azevedo"'
Autor:
Andréa F. da Silva, Elias A. Silva, Diógenes S. Moura, Luciano A. Bueno, Artur S. Gouveia-Neto, Eduardo N. Azevedo, Ernande B. Costa
Publikováno v:
SPIE Proceedings.
In this report the optical properties and energy-transfer frequency upconversion luminescence of Er 3+ /Yb 3+ -codoped laponite-derived powders under 975 nm infrared excitation is investigated. The 75%(laponite):25%(PbF 2 ) samples doped with erbium