The barrier height of a Pd‐CdS Schottky diode is reported to decrease markedly when exposed to hydrogen. This effect is believed to be due to the decrease in Pd work function. It makes a good simple hydrogen detector (even at 298 °K) over the range 500–5000 ppm H2.

Topics
Work functions, Schottky diodes, Transition metals, Chemical elements
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© 1976 American Institute of Physics.
1976
American Institute of Physics
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