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Fabrication of p-Type Zns with Blue-Ag Emission by Triple-Codoping Method

Published online by Cambridge University Press:  01 February 2011

S. Kishimoto ,
T. Yamamoto  and
S. Iida
S. Kishimoto
Affiliation:
Kochi National College of Technology, Monobe-otsu 200-1, Nankoku, Kochi 783-8508, Japan
T. Yamamoto
Affiliation:
Department of Electronic and Photonic Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada-cho, Kami-gun, Kochi 782-8502, Japan
S. Iida
Affiliation:
Department of Electrical Engineering, Nagaoka University of Technology, Kamitomioka 1603-1, Nagaoka 940-2188, Japan
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Abstract

We have succeeded in the fabrication of low-resistivity p-type ZnS with blue -Ag emission by triple-codoping using Ag, a Zn-substituting species, In, a Zn-substituting species, and N, a S-substituting species. For the realization of blue-Ag emission at 436 nm, we use In species as co-activators with Ag activators. For the control of conduction type to obtain p-type ZnS thin films, we introduce N species as acceptors into ZnS codoped with the Ag and In. On the basis of the analysis of the experimental data and calculated results, we proposed a model for ZnS:(Ag, In, and N), in which some of the In species act as coactivators with Ag activators and other In species act as reactive codopants with N acceptors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 719: Symposium F – Defect- and Impurity-Engineered Semiconductors and Devices III , 2002 , F3.1
Copyright
Copyright © Materials Research Society 2002

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