Raman scattering from a self-organized Ge dot superlattice

J. L. Liu, Y. S. Tang, K. L. Wang, T. Radetic, R. Gronsky

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41 Citations (Scopus)

Abstract

The Raman scattering of a self-organized Ge dot superlattice is reported. Phonon confinement effect is observed for the embedded Ge dots in Si matrix. Due to the inter-sub-level transition between the first two confined heavy vole (HH) states in the Ge quantum dots, an optical transition at 1890 cm-1 has been observed in the polarized Raman spectrum. A method for developing improved Si-based mid-infrared detectors is provided.

Original languageEnglish
Pages (from-to)1863-1865
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number13
DOIs
Publication statusPublished - 1999 Mar 29

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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