First investigation of the atomic structure of (112) and (112) CuInSe2 surfaces

Antoine Kahn, P. Corvini, S. Wagner, K. J. Bachmann

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Abstract

The atomic structure of (112) and (112) surfaces of CuInSe2 has been studied with low energy electron diffraction. The surfaces were prepared by sputtering and annealing of single crystals in ultrahigh vacuum. The symmetry and size of the resulting unit cells on both surfaces were found to be incompatible with the substitutional ordering of the metal sublattices. Non-stoichiometry at the surface and randomization of the metal sublattices by ion sputtering are invoked to explain this result.

Original languageEnglish (US)
Pages (from-to)123-130
Number of pages8
JournalSolar Cells
Volume16
Issue numberC
DOIs
StatePublished - Jan 1 1986

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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