id author title date pages extension mime words sentence flesch summary cache txt qr46qz23w81 John R. Haase Enhanced Thermionic Energy Conversion Using Microplasmas and Diamond Electrodes 1904 .txt text/plain 146 6 22 Microplasmas can be used both in converters, canceling out the effect of negative space charge and enhancing emission current, and outside converters by synthesizing low work function materials such as diamond-containing materials. Thermionic energy converters are devices that convert heat directly to electricity using a process called thermionic emission. cache/qr46qz23w81.txt txt/qr46qz23w81.txt