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Journal of Nanomaterials

Volume 2007 (2007), Article ID 48247, 10 pages

http://dx.doi.org/10.1155/2007/48247

## Luminescence, Energy Transfer, and Upconversion Mechanisms of
Y_{2}O_{3}
Nanomaterials Doped with Eu^{3+},Tb^{3+}, Tm^{3+},Er^{3+}, and Yb^{3+} Ions

^{1}Institute of Materials Science, Vietnamese Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam^{2}Institute des Nanosciences de Paris (INSP), UMR-CNRS 7588, Universites Pierre et Marie Curie et Denis Diderot, 140 Rue de Lourmel, Paris 75015, France^{3}College of Technology, Vietnam National University, 144 Xuan Thuy Street, Cau Giay District, Hanoi, Vietnam

Received 21 May 2007; Revised 16 December 2007; Accepted 31 December 2007

Academic Editor: Wieslaw Strek

Copyright © 2007 TranKim Anh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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