Biaxial strain dependence of exciton resonance energies in wurtzite GaN

Amane Shikanai, Takashi Azuhata, Takayuki Sota, Shigefusa Chichibu, Akito Kuramata, Kazuhiko Horino, Shuji Nakamura

研究成果: Article査読

247 被引用数 (Scopus)

抄録

We have systematically studied the strain dependence of the free-exciton resonance energies in wurtzite GaN by photoreflectance measurements using well-characterized samples. The experimental data have been analyzed using the appropriate Hamiltonian for the valence bands in wurtzite GaN and determined the values of the crystal field splitting, the spin-orbit splitting, the shear deformation potential constants, and the energy gap in the unstrained crystal. Discussions are given on the strain dependence of the energy gaps, of the effective masses, and of the binding energies for the free-exciton ground states as well as on the valence-band parameters.

本文言語English
ページ(範囲)417-424
ページ数8
ジャーナルJournal of Applied Physics
81
1
DOI
出版ステータスPublished - 1997 1 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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