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Er3+ excited state absorption and the low fraction of nanocluster-excitable Er3+ in SiOx

Oton, CJ; Loh, WH; Kenyon, AJ; (2006) Er3+ excited state absorption and the low fraction of nanocluster-excitable Er3+ in SiOx. Applied Physics Letters , 89 (3) , Article 031116. 10.1063/1.2227637. Green open access

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Abstract

Despite the observation by a number of groups of a strong luminescence sensitization effect of erbium ions by excitation exchange from silicon nanoclusters, there is considerable experimental evidence that the fraction of Er ions excited by Si-nc is actually very low for much of the material reported. In this work, we examine the evidence and point out that Er excited state absorption is the likely cause. (c) 2006 American Institute of Physics.

Type: Article
Title: Er3+ excited state absorption and the low fraction of nanocluster-excitable Er3+ in SiOx
Open access status: An open access version is available from UCL Discovery
DOI: 10.1063/1.2227637
Publisher version: http://dx.doi.org/10.1063/1.2227637
Language: English
Additional information: Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Oton, CJ and Loh, WH and Kenyon, AJ (2006) Er3+ excited state absorption and the low fraction of nanocluster-excitable Er3+ in SiOx. Applied Physics Letters, 89 (3) , Article 031116 and may be found at http://link.aip.org/link/?apl/89/031116
Keywords: MU-M, NANOCRYSTALS, LUMINESCENCE, PHOTOLUMINESCENCE, SIO2-FILMS, SILICA, GAIN
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/149600
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