Energy transfer to erbium ions from wide-band-gap SnO{sub 2} nanocrystals in silica
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Dipartimento di Scienza dei Materiali, Universita di Milano-Bicocca, via Cozzi 53, I-20125 Milan (Italy)
We give the spectroscopic evidence of energy transfer to erbium ions provided by SnO{sub 2} nanocrystals in silica. The spectral and time resolved analysis of the nanocluster luminescence resonant with Er{sup 3+} transitions demonstrates that erbium ions take part to energy-transfer mechanisms with an efficiency of about 20%. The spectral features of erbium emission excited by energy transfer allow to ascribe it to Er{sup 3+} sites in ordered environments, nearby crystalline tin-dioxide nanoclusters.
- OSTI ID:
- 20787914
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 73, Issue 7; Other Information: DOI: 10.1103/PhysRevB.73.073406; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- English
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