Influence of Substrate Structure on the Growth of CdTe Thin Films

Y. Yan, R. G. Dhere, K. M. Jones, M. M. Al-Jassim

Research output: Contribution to journalArticlepeer-review

25 Scopus Citations


We report on a high-resolution transmission electron microscopy and energy-dispersive x-ray spectroscopy study of the microstructure of CdTe thin films epitaxially grown on single-crystal hexagonal CdS and cubic CdTe substrates. We find that the different structures of the substrates do not make a great structural difference on the grown CdTe films; i.e., on both substrates, the grown CdTe films have a cubic structure and high density of planar defects near the interface regions. At the CdTe/CdS interface, interdiffusion occurs, forming CdTe1-x,Sx and CdS1-xTex alloys. These alloys lead to significantly reduced mismatch at the interface.

Original languageAmerican English
Pages (from-to)5944-5948
Number of pages5
JournalJournal of Applied Physics
Issue number11 I
StatePublished - 2001

NREL Publication Number

  • NREL/JA-520-29295


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