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<p>carriers in a <a href="page.php?w=crystal_structure">crystal lattice</a>. Doping greatly increases the number of charge carriers within the crystal. When a semiconductor is doped by Group V elements, they will behave like <a href="page.php?w=Donor_%28semiconductors%29">donors</a> creating free <a href="page.php?w=electron">electron</a>s, known as "<a href="page.php?w=extrinsic_semiconductor">n-type</a>" doping. When a semiconductor is doped by Group III elements, they will behave like <a href="page.php?w=acceptor_%28semiconductors%29">acceptors</a></p><p>
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