Radiative and nonradiative excitonic transitions in nonpolar (112̄0) and polar (0001̄) and (0001) Zno epilayers

J. Koida, S. F. Chichibu*, A. Uedono, T. Sota, A. Tsukazaki, M. Kawasaki

*この研究の対応する著者

研究成果: Article査読

55 被引用数 (Scopus)

抄録

The polarized optical reflectance and photoreflectance spectra of an out-plane nonpolar ZnO epilayer grown by laser molecular-beam epitaxy was studied. The electric field component of its excitonic photoluminescence peak was polarized perpendicular to the [0001] axis. The monoenergetic positron beam line was used to determine the parameters in the ZnO epilayers. The negligible impact of growth direction on the defect incorporation suggests a potential use of epitaxial ZnO as polarization-sensitive optoelectronic devices operating in ultraviolet spectral regions.

本文言語English
ページ(範囲)1079-1081
ページ数3
ジャーナルApplied Physics Letters
84
7
DOI
出版ステータスPublished - 2004 2月 16

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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