Phonon scattering of excitons and biexcitons in ZnO

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

doi:10.1063/1.1760831

Phonon scattering of excitons and biexcitons in ZnO

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

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

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 language	English
Pages (from-to)	1270-1272
Number of pages	3
Journal	Journal of Applied Physics
Volume	96
Issue number	2
DOIs	https://doi.org/10.1063/1.1760831
Publication status	Published - 2004 Jul 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Phonon scattering of excitons and biexcitons in ZnO",

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.",

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T1 - Phonon scattering of excitons and biexcitons in ZnO

AU - Hazu, K.

AU - Sota, T.

AU - Adachi, S.

AU - Chichibu, Sf

AU - Cantwell, G.

AU - Reynolds, D. C.

AU - Litton, C. W.

PY - 2004/7/15

Y1 - 2004/7/15

N2 - 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.

AB - 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.

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Phonon scattering of excitons and biexcitons in ZnO

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