Indirect recombination mechanisms in germanium

G. A. Thomas, E. I. Blount, M. Capizzi

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The complete set of luminescence replicas arising from exciton recombination with the emission of a single phonon in pure germanium has been detected and analyzed. The newly resolved LO luminescence replica is found to be more intense than the TA replica and to have the same forbidden line shape. The TO line is found to have both allowed and forbidden components. These observations are in agreement with an analysis using selection rules calculated within the double-group representation necessary for germanium. The recombination mechanisms, when applied to the unresolved LA-LO or TA replicas of the e-h liquid, yield estimates of the ground-state Fermi energy and e-h pair density that are lower than previous values.

Original languageEnglish (US)
Pages (from-to)702-718
Number of pages17
JournalPhysical Review B
Volume19
Issue number2
DOIs
StatePublished - 1979
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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