Infrared lattice absorption in wurtzite GaN

Takashi Azuhata, Kazuhiro Shimada, Takahiro Deguchi, Takayuki Sota, Katsuo Suzuki, Shigefusa Chichibu, Shuji Nakamura

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2 Citations (Scopus)


Two-phonon absorption spectrum of wurtzite GaN was measured for the first time and was compared with two-phonon density-of-states of zincblende GaN obtained by lattice-dynamical calculations with an adiabatic bond-charge model. All structures in the spectrum were well explained by phonon structures of zincblende GaN. As a method to analyze two-phonon absorption spectra of wurtzite materials, proposed was the utilization of phonon dispersion curves of corresponding zincblende modifications, and the method was found to be useful.

Original languageEnglish
Pages (from-to)L151-L153
JournalJapanese Journal of Applied Physics, Part 2: Letters
Issue number2 B
Publication statusPublished - 1999 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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    Azuhata, T., Shimada, K., Deguchi, T., Sota, T., Suzuki, K., Chichibu, S., & Nakamura, S. (1999). Infrared lattice absorption in wurtzite GaN. Japanese Journal of Applied Physics, Part 2: Letters, 38(2 B), L151-L153.