Abstract
AbstractA significantly low cathode fall voltage of 140 V and a high sputtering resistance at the driving current as large as 20 mA were observed for the cold cathode fluorescent lamps that comprise the ceramic cathode electrodes made of 12CaO·7Al2O3 electride. The electride is a subnanoporous compound having a work function of 2.4 eV and electrical conductivity of 1670 S/m. The electrode was also found to be applicable to hot cathodes for glow and arc discharges.
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