Growth of Cu(AlxGa1-x)SSe pentenary alloy crystals by iodine chemical vapor transport method

S. Chichibu, S. Shirakata, A. Ogawa, R. Sudo, M. Uchida, Y. Harada, T. Wakiyama, M. Shishikura, S. Matsumoto, S. Isomura

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Single crystals of Cu(AlxGa1-x)SSe pentenary alloys were successfully grown by the vapor transport technique using iodine as a transport agent. Systematic measurements of the basic crystal properties were carried out using powder X-ray, photoluminescence (PL), photoreflectance (PR), and Van der Pauw methods. Dependence of the lattice constants, exciton transition energies, and PL peak energies on Al composition, x, were examined in detail. The lattice constants obeyed Vegard's law. A quadratic dependence of exciton transition energies on x was found. The broadening parameters in the PR spectrum increase monotonically with increasing x, the results showing that the crystal quality degrades with increasing x. Exciton-related PL peaks were found for 0 ≤ x ≤ 0.77 at 77 K.

本文言語English
ページ(範囲)388-397
ページ数10
ジャーナルJournal of Crystal Growth
140
3-4
DOI
出版ステータスPublished - 1994 7月

ASJC Scopus subject areas

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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