Intra-excitonic relaxation dynamics in ZnO

Alexej Chernikov, Martin Koch, Bernhard Laumer, Thomas A. Wassner, Martin Eickhoff, Stephan W. Koch, Sangam Chatterjee

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The temperature and carrier-density dependent excitonic relaxation in bulk ZnO is studied by means of time-resolved photoluminescence. A rate-equation model is used to analyze the population dynamics and the transitions between different exciton states. Intra-excitonic (n 1) to (n 2) relaxation is clearly identified at low excitation densities and lattice temperatures with a characteristic time constant of 6 ± 0.5 ps.

Original languageEnglish (US)
Article number231910
JournalApplied Physics Letters
Issue number23
StatePublished - Dec 5 2011

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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