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Effect of Implantation Temperature on the Layer Exfoliation of H-implanted Germanium

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Author(s): U. Dadwal | Praveen Kumar | R. Singh

Journal: Journal of Nano- and Electronic Physics
ISSN 2077-6772

Volume: 5;
Issue: 2;
Start page: 02002-1;
Date: 2013;
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Keywords: Implantation | Ge | Exfoliation | Annealin

ABSTRACT
This work describes the influence of implantation temperature on the layer exfoliation of the H-implanted Ge substrate. For the implantation at RT, post-implantation annealing showed large exfoliated regions over the sample surface. Two depths of the exfoliated regions were observed with average values of about 654 and 856 nm from the top of the H-implanted surface. In the H-implanted Ge at 300 °C, exfoliation occurred in the as-implanted state in the form of surface craters. The average depth of these craters was measured to be about 890 nm from the surface. Simulation results showed that the depth of the exfoliated regions was either located near to the damage peak or away from the H-peak depending upon the implantation temperature.
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