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Synthesis and optical characteristics of ZnGa2O4−xSx:Mn2+

Published online by Cambridge University Press:  21 March 2011

J.S. Kim ,
H.L. Park  and
G.C. Kim
J.S. Kim
Affiliation:
Department of Physics, Yonsei University, Seoul 120-749, Korea
H.L. Park*
Affiliation:
Department of Physics, Yonsei University, Seoul 120-749, Korea
G.C. Kim
Affiliation:
School of Liberal Arts, Korea University of Technology and Education, Cheonan 330-708, Korea
*
1Corresponding author E-mail address: [email protected]
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Abstract

The first zinc gallium oxysulfides (ZnGa2O4−xSx) are synthesized and emission properties of ZnGa2O4−xSx and ZnGa2O4−xSx:Mn2+ have been investigated. The sulfur in ZnGa2O4−xSx forms tetrahedrons and the cations in ZnGa2O4−xSx are randomly distributed between tetrahedrons and octahedrons such that ZnGa2O4 structure can be viewed as a mixed spinel. The four-fold enhancement of the brightness of Mn2+emission can be the significant effect of forming oxysulfide in ZnGa2O4−xSx:Mn2+

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 667: Symposium G – Luminescence and Luminescent Materials , 2001 , G5.8
Copyright
Copyright © Materials Research Society 2001

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References

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