Growth and doping characteristics of ZnSeTe epilayers by MOCVD

Atsushi Kamata, Hiroaki Yoshida, Shigefusa Chichibu, Hisayuki Nakanishi

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Compositional control, band gap evaluation and acceptor doping characterization for ZnSeTe have been studied. Zinc selenotelluride layers were grown on GaAs (100) substrates by atmospheric metalorganic chemical vapor deposition. The composition of the ZnSexTe(1-x) solid is proportional to the gas phase composition when the VI/II ratio is close to unity. Accurate band gap energy values for ZnSeTe epilayers were obtained at room temperature by photoreflectance spectroscopy. The bowing parameter is 1.647 eV. The p-type carrier concentration of ZnSeTe : As is drastically quenched with increasing Se incorporation. The quenching is possibly attributable to the lattice distortion.

Original languageEnglish
Pages (from-to)518-522
Number of pages5
JournalJournal of Crystal Growth
Volume170
Issue number1-4
DOIs
Publication statusPublished - 1997 Jan
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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