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Formation mechanism of CdTe self-assembled quantum dots embedded into ZnTe barriers

  • M. S. Jang
  • , S. H. Oh
  • , H. S. Lee
  • , J. C. Choi
  • , H. L. Park
  • , T. W. Kim
  • , D. C. Choo
  • , D. U. Lee
  • Yonsei University
  • Kwangwoon University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Photoluminescence spectra showed that the formation mechanism for CdTe layers grown on ZnTe thin films changed from a two-dimensional mode to a three-dimensional mode with increasing submonolayer CdTe layer thickness, and the temperature-dependent PL spectra indicated that the activation energy of CdTe quantum dots is larger than that of CdTe single quantum wells. The formation mechanism for the CdTe QDs is in reasonable agreement with a Stranski-Krastanov growth mode.

Original languageEnglish
Pages (from-to)993-995
Number of pages3
JournalApplied Physics Letters
Volume81
Issue number6
DOIs
StatePublished - 2002.08.5

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