Size, shape, and composition of luminescent species in oxidized Si nanocrystals and H-passivated porous Si
- 15 August 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 52 (7), 4910-4925
- https://doi.org/10.1103/physrevb.52.4910
Abstract
Near-edge and extended x-ray-absorption fine-structure measurements from a wide variety of oxidized Si nanocrystals and H-passivated porous Si samples, combined with electron microscopy, ir absorption, forward recoil scattering, and luminescence emission data, provide a consistent structural picture of the species responsible for the luminescence observed in these systems. For porous Si samples whose luminescence wavelengths peak in the visible region, i.e., atKeywords
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