Tail widths in hydrogenated amorphous silicon and amorphous silicon carbon alloys measured by photomodulated infrared spectroscopy

  • K. Rerbal
  • , J. N. Chazalviel
  • , F. Ozanam
  • , I. Solomon

Research output: Contribution to journalArticlepeer-review

Abstract

We have measured the photoinduced infrared absorption of hydrogenated amorphous silicon a-Si:H and silicon-carbon alloys (formula presented) using the sensitive technique of photomodulated infrared spectroscopy. The observed spectra are quantitatively accounted for by a model, which allows one to determine the width (energy spreading) of the conduction and valence band tail states separately.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number18
DOIs
Publication statusPublished - 1 Jan 2002

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