Materials with a high secondary-electron yield for use in plasma displays

Vink, T. J.; Balkenende, A. R.; Verbeek, R. G. F. A.; van Hal, H. A. M.; de Zwart, S. T.
March 2002
Applied Physics Letters;3/25/2002, Vol. 80 Issue 12, p2216
Academic Journal
Reduction of the firing voltage in plasma display panels calls for electrode coatings with a high secondary-electron yield. We have explored a range of materials that exhibit very low firing voltages, and a 50% reduction has been achieved relative to the best quality MgO. It is further shown that a high electron emission yield originates from both ion- and photon-induced processes, and is strongly influenced by the electronic structure of the material in terms of band gap and electron affinity.


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