Low-temperature thermionic emitter Interim scientific report, 9 Feb. 1968 - 8 Feb. 1969
Performance tests on alkaline earth oxide electron emitters at low temperatures
Engineering topics
Publications and source records attributed to Geppert, D. V..
Performance tests on alkaline earth oxide electron emitters at low temperatures
Research on semiconductor-metal hot-electron cold cathodes
Electrical measurements on GaP/Pd diodes and Pd/BaO and Ni/BaO photoelectric work functions in cold cathode study
GaP/tungsten and GaP/platinum diode and tungsten/barium oxide phototube fabrication and testing in cold cathode study
Hot-electron surface barrier cathode for application to low-level traveling wave tube
Application of gallium phosphide crystals for hot-electron cold cathode research - life tests for silver-barium oxide phototubes - surface film, semiconductor, and vacuum requirements