Vacancies, interstitials, and Frenkel pairs are considered to be the basic point defects in silicon. We challenge this point of view by presenting density functional calculations that show that there is a stable point defect in silicon that has fourfold coordination and is lower in energy than the traditional defects.
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| http://dx.doi.org/10.1103/PhysRevLett.88.235501 | DOI Listing |
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