Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
71 (1992), S. 542-544
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Thin alloy films of Pd and Ni (8%〈Ni〈20% in at. %) formed by dual-electron-beam evaporation techniques have been found to give durable and quickly reversible detectors of high H2 concentrations (pH2 0.1%–100%, 0.7–700 Torr) near 1 atm and 300 K, including accurate determinations of pH2 around the lower explosive limit of 4% in air. The addition of Ni suppresses the α to β phase transition found in pure Pd under these conditions. The measurement of resistivity changes in the thin films along with flatband shifts of metal-oxide-semiconductor capacitors on the same Si wafer gives accurate values of pH2 over more than six decades.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.350646
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