Resonant Raman scattering from CdS nanowires

A. Abdi*, L. V. Titova, L. M. Smith, H. E. Jackson, J. M. Yarrison-Rice, J. L. Lensch, L. J. Lauhon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Resonant Raman scattering (RRS) was used to probe the electronic states of CdS nanowires (∼10 nm diameter) grown by chemical vapor deposition. Individual Ar+ laser lines were used to vary the excitation energy while observing scattering from CdS phonons; strong 1-longitudinal optical (LO) and 2-LO Raman resonances were readily observed within the broader photoluminescence emission. The energy separation between the peaks of the 1-LO and 2-LO resonance was found to be 34 meV, in good agreement with bulk values. These results demonstrate that RRS is a powerful tool for probing the electronic and vibrational properties of semiconductor nanowires.

Original languageEnglish (US)
Article number043118
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume88
Issue number4
DOIs
StatePublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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