Electron paramagnetic resonance characteristics of the Mn activator in a ZnS:Mn electroluminescent device

Yun Hi Lee; Myung Hwan Oh; Sung Ho Choh

doi:10.1063/1.349781

Electron paramagnetic resonance characteristics of the Mn activator in a ZnS:Mn electroluminescent device

Yun Hi Lee, Myung Hwan Oh, Sung Ho Choh

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We report electron paramagnetic resonance (EPR) results on the characteristics of the Mn activator in a ZnS:Mn thin film as a function of the film processing conditions. From the x-ray diffraction and EPR measurements of Mn in both ZnS:Mn powder and thin films deposited at the different substrate temperature and thermally treated in the vacuum, it was found that the effective Mn²⁺ concentration in a ZnS:Mn electroluminescent device could be changed by the annealing process, as well as the substrate temperature, during deposition.

Original language	English
Pages (from-to)	7042-7045
Number of pages	4
Journal	Journal of Applied Physics
Volume	70
Issue number	11
DOIs	https://doi.org/10.1063/1.349781
Publication status	Published - 1991

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "We report electron paramagnetic resonance (EPR) results on the characteristics of the Mn activator in a ZnS:Mn thin film as a function of the film processing conditions. From the x-ray diffraction and EPR measurements of Mn in both ZnS:Mn powder and thin films deposited at the different substrate temperature and thermally treated in the vacuum, it was found that the effective Mn2+ concentration in a ZnS:Mn electroluminescent device could be changed by the annealing process, as well as the substrate temperature, during deposition.",

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AU - Lee, Yun Hi

AU - Oh, Myung Hwan

AU - Choh, Sung Ho

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AB - We report electron paramagnetic resonance (EPR) results on the characteristics of the Mn activator in a ZnS:Mn thin film as a function of the film processing conditions. From the x-ray diffraction and EPR measurements of Mn in both ZnS:Mn powder and thin films deposited at the different substrate temperature and thermally treated in the vacuum, it was found that the effective Mn2+ concentration in a ZnS:Mn electroluminescent device could be changed by the annealing process, as well as the substrate temperature, during deposition.

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Electron paramagnetic resonance characteristics of the Mn activator in a ZnS:Mn electroluminescent device

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