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2.4 Doping <br />
Bond model: p-doping in Si!<br />
Doping with an element 3 atom (e.g. B, Al, Ga, In). One valence bond<br />
remains open. This open bond attracts electrons from the neighbor atoms.!<br />
The doping atom is called acceptor. !<br />
The acceptor atom in the lattice is<br />
negatively charged.!<br />
M. Krammer, Praktikum 2010/11! <strong>Silicon</strong> <strong>Detectors</strong>! 12!
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