We combined systematic cross-sectional scanning tunneling microscopy and spectroscopy investigations with Hall measurements on single Si δ-doped layers, as well as Si δ-doped superlattices in GaAs. We found that Si self-compensation involves nucleation and growth of electrically neutral Si precipitates at the expense of the conventional donor Si phase.
Microscopic Mechanisms of Self-compensation in Si d-doped GaAs
MODESTI, SILVIO;FRANCIOSI, ALFONSO
2004-01-01
Abstract
We combined systematic cross-sectional scanning tunneling microscopy and spectroscopy investigations with Hall measurements on single Si δ-doped layers, as well as Si δ-doped superlattices in GaAs. We found that Si self-compensation involves nucleation and growth of electrically neutral Si precipitates at the expense of the conventional donor Si phase.File in questo prodotto:
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