Abstract
THE application recently of the semiconductor model to the oxide cathode used as a thermionic emitter in vacuum tubes directs attention to the possibility of observing luminescence in such materials.
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AITCHISON, R. Luminescence of Barium-Strontium Oxide. Nature 164, 1088 (1949). https://doi.org/10.1038/1641088b0
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DOI: https://doi.org/10.1038/1641088b0
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