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Deuterium Interactions with Ion-Implanted Oxygen in Cu and Au

Published online by Cambridge University Press:  25 February 2011

S. M. Myers ,
W. A. Swansiger  and
D. M. Follstaedt
S. M. Myers
Affiliation:
Sandia National Laboratories, Div. 1112, Albuquerque, NM 87185
W. A. Swansiger
Affiliation:
Sandia National Laboratories, Div. 8343, Livermore, CA 94550
D. M. Follstaedt
Affiliation:
Sandia National Laboratories, Div. 1112, Albuquerque, NM 87185
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Abstract

The interactions of deuterium (D) with oxygen in Cu and Au were examined using ion implantation, nuclear-reaction analysis, and transmission electron microscopy. In Cu, the reduction of Cu2O precipitates by D to produce D20 was shown to occur readily down to room temperature, at a rate limited by the transport of D to the oxides. The reverse process of D2O dissociation was characterized for the first time below the temperature range of steam blistering. The evolution of the Cu(D)-Cu2O-D2O system was shown to be predicted by a newly extended transport formalism encompassing phase changes, trapping, diffusion, and surface release. In Au, buried 0 sinks were used to measure the permeability of D at 573 and 373 K, thereby extending the range of measured permeabilities downward by about six orders or magnitude.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 128: Symposium A – Processing and Characterization of Materials Using Ion Beams , 1988 , 309
Copyright
Copyright © Materials Research Society 1989

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References

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