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Electron and ion motion in oxide cathodes

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Halbleiterprobleme

Part of the book series: Advances in Solid State Physics ((ASSP,volume HP3))

Abstract

This paper surveys recent work on the oxide cathode. This work points to a physical model of the oxide cathode in which (1) current is carried through the cathode by semiconduction through the oxide and by pore conduction through the interstices between oxide particles, (2) both conduction process are controlled by the properties of the semiconducting oxide, (3) the oxide is activated by the production of electron donors, (4) the donors, as well as other constituents of the oxide, are mobile at the normal operating temperature of the cathode, and (5) electrolysis of the donors limits the density of free electrons available for conduction near the emitting surface and the density of free electrons available for emission at the emitting surface.

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  1. RCA Laboratories Radio Corporation of America, Princeton, New Jersey, USA

    L. S. Nergaard

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© 1956 Friedr. Vieweg & Sohn

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Nergaard, L.S. (1956). Electron and ion motion in oxide cathodes. In: Halbleiterprobleme. Advances in Solid State Physics, vol HP3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0116509

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  • DOI: https://doi.org/10.1007/BFb0116509

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