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

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Abstract

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.

Original languageEnglish
Pages (from-to)388-397
Number of pages10
JournalJournal of Crystal Growth
Volume140
Issue number3-4
DOIs
Publication statusPublished - 1994 Jul

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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    Chichibu, S., Shirakata, S., Ogawa, A., Sudo, R., Uchida, M., Harada, Y., Wakiyama, T., Shishikura, M., Matsumoto, S., & Isomura, S. (1994). Growth of Cu(AlxGa1-x)SSe pentenary alloy crystals by iodine chemical vapor transport method. Journal of Crystal Growth, 140(3-4), 388-397. https://doi.org/10.1016/0022-0248(94)90315-8