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Single-step deposition of Eu-doped Y2O3 phosphor coatings through a precursor plasma spraying technique

Published online by Cambridge University Press:  31 January 2011

P. Sujatha Devi ,
Joshua Margolis ,
John B. Parise ,
Clare P. Grey ,
Sanjay Sampath ,
Herbert Herman  and
Harry D. Gafney
P. Sujatha Devi*
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
Joshua Margolis
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
John B. Parise
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, Department of Chemistry, and Department of Geosciences, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
Clare P. Grey
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, and Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
Sanjay Sampath*
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
Herbert Herman
Affiliation:
Center for Thermal Spray Research, Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, New York 11794–2275
Harry D. Gafney
Affiliation:
Department of Chemistry and Biochemistry, City University of New York, Queens College, Flushing, New York 11367
*
a) Address all correspondence to these authors.
a) Address all correspondence to these authors.
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Abstract

Europium-doped yttrium oxide (Y2O3:Eu3+) luminescent coatings were produced in a single step directly from a solution precursor using a radio frequency induction plasma spray technique. Crystalline and luminescent coatings were grown on Si(100) and steel substrates by this process. X-ray diffraction analyses on these coatings confirmed that polycrystalline cubic Y2O3 phase formed in situ with no impurity phases. The observed photoluminescence from these coatings is in all probability due to the highly crystalline nature of the coating combined with submicron spherical morphology of the grains.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 17 , Issue 11 , November 2002 , pp. 2771 - 2774
Copyright
Copyright © Materials Research Society 2002

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References

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