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Kick-Out Phenomena in Epitaxially Boron- and Aluminum-Doped 4H-SiC during Implantation and Annealing Processes
Abstract:
It is investigated whether the homogeneous depth profiles of epitaxially doped B or Al are changed or preserved by implantation of various implanted species and annealing processes. We have found a strong decrease in the atomic B concentration in epitaxially B-doped layers after implantation of N+, Al+, and P+ and subsequent annealing at 1700 °C. On the other hand, the Al profiles in epitaxially Al-doped layers are preserved after the same processes.
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843-846
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October 2006
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