| http://www.w3.org/ns/prov#value | - Particularly good results are obtained when the dopant is one or more electron acceptors, i.e., boron, aluminum, gallium, indium, thallium, and the like, preferably including boron, and the concentration of dopants is from about 0.1 weight percent of the silicon to about 1.5 or even 2 weight percent of the silicon.
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