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Channeling Measurements on Deuterium Implanted Silicon

Published online by Cambridge University Press:  28 February 2011

B. Bech Nielsen*
Affiliation:
Institute of Physics, University of Aarhus DK-8000 Aarus C, Denmark
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Abstract

The channeling technique has been used to study the lattice location of deuterium ion-implanted into silicon. Compared to earlier measurements by Picraux and Vook, the temperature range has been extended from 30 to 500 K, and the dose has been decreased down to ≃ 8 × 1014 D/cm2. The implantation was performed at 30 K gnd at an energy of 10 keV. The channeling analysis was done using the d(3 He,p)4 He nuclear reaction. Angular scans were measured along the <100>, <110>, <111> axis and the {100}, {110}, {111} planes, Experiments were carried out on the implanted sample (30K) and after annealing to 200 and 500 K. In the as-implanted sample, 80% of the deuterium is located close to the bond center, whereas the remaining 20% is placed at the tetrahedral site. The deuterium sites change after annealing to 200 and 50OK, and the nature of these annealings stages will be discussed.

Type
Research Article
Copyright
Copyright © Materials Research Society 1986

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References

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