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Journal Article Luminescence Enhancement by Ga3þ Codoping of BaTiO3: Pr3þ Phosphors
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Authors
Seung Youl Kang, Yong Hae Kim, Jae Hyun Moon, Kyong Soo Suh, Dong Joo Lee, Seong Gu Kang
Issue Date
2009-05
Citation
Japanese Journal of Applied Physics, v.48, no.5, pp.0523011-0523014
ISSN
0021-4922
Publisher
Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1143/JJAP.48.052301
Abstract
The effects of dopant Pr and codopant Ga on the luminescence of BaTiO3 phosphors have been investigated. The maximum luminescence intensity of red emission was observed at a Pr concentration of 0.011 mol %, which is a much lower concentration than those in previous reports on the luminescence characteristics of phosphors. Ga codoping into BaTiO3:Pr3?닞 phosphors results in a marked increase in luminescence. This result has been interpreted from the viewpoint of symmetry, which makes the occurrence of band-to-band transition probable. © 2009 The Japan Society of Applied Physics.
KSP Keywords
Applied physics, Band-to-band transition, Luminescence characteristics, Luminescence enhancement, Luminescence intensity, red emission