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Upconversion Luminescence in Er3+ Doped and Yb3+/Er3+ Codoped Yttria Nanocrystalline Powders

✍ Scribed by Jian Zhang; Shiwei Wang; Tianjun Rong; Lidong Chen

Book ID
109255933
Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
578 KB
Volume
87
Category
Article
ISSN
0002-7820

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## Abstract Yb^3+^/Er^3+^‐codoped Gd~2~SiO~5~ (Yb,Er:GSO) single crystal was grown by the Czochralski method. The upconversion properties of the crystal under 940 nm excitation were investigated. Intense emission bands centered at 521, 548, and 652 nm corresponding to the transitions ^2^H~11/2~ → ^