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Ion-induced secondary electron emission from the MgO protecting layer of an AC plasma display panel (AC-PDP) and the successive back-scattering of secondary electrons toward the cathode due to high gas pressure have been studied theoretically. A correlation between the intrinsic secondary electron emission coefficient (γ i ) and the MgO surface properties such as band gap energy and defect states in the band gap was found. The behavior of the effective secondary electron emission coefficient (γ eff ) of various ion species as a function of the reduced electric field ( E / P ) has also been investigated. These relationships can be applied to AC-PDP manufacturing in order to enhance the luminous efficiency and to reduce the breakdown voltage of AC-PDPs.
Yoon et al. (2001) studied this question.