Phonon scattering of excitons and biexcitons in ZnO

K. Hazu, T. Sota, S. Adachi, Sf Chichibu, G. Cantwell, D. C. Reynolds, C. W. Litton

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Abstract

Phonon scattering of excitation and biexcitons in ZnO was measured using femtosecond four-wave mixing as functions of excitation wavelength, excitation power, and temperature. The exciton-phonon and the biexciton-phonon coupling coefficients were also determined. It was found that the biexciton-acoustic phonon interaction coefficient is as large as β bi ac≈53 μeV/K. It was suggested that for A excitons, the interaction coefficient with the acoustic phonon scattering is β ex opt≈8.4 μeV/K and the coupling constant with the low frequency E 2 mode phonon is β ex opt≈14 meV.

Original languageEnglish
Pages (from-to)1270-1272
Number of pages3
JournalJournal of Applied Physics
Volume96
Issue number2
DOIs
Publication statusPublished - 2004 Jul 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Hazu, K., Sota, T., Adachi, S., Chichibu, S., Cantwell, G., Reynolds, D. C., & Litton, C. W. (2004). Phonon scattering of excitons and biexcitons in ZnO. Journal of Applied Physics, 96(2), 1270-1272. https://doi.org/10.1063/1.1760831