The W center in self-implanted silicon is the self-interstitial cluster I3
G. M. Lopez, V. Fiorentini
Abstract
We identify the W center in self-implanted crystalline Si with the three-membered self-interstitial cluster I3 on the basis of first-principles density-functional-theory calculations matching all the known experimental signatures of the center (emission energy, extrinsic energy levels, activation energy and dissociation energy, local vibrational structure, and symmetry).
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