Electronic band structure of SnSe

Roberto Car, G. Ciucci, L. Quartapelle

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56 Scopus citations


The electronic bands of SnSe are calculated along all high symmetry lines of the Brillouin zone using the local empirical pseudopotential method. Spectralization of the involved large matrices is performed by means of a new approximate folding‐down method which locates the s‐states of valence bands much better than the Löwdin‐Brust perturbative technique. The parameters of the analytical form used to interpolate the pseudopotentials are roughly adjusted to obtain a band structure consistent with optical and photoelectric data. Satisfactory results for the general features are obtained, a better agreement requiring a more cautious tuning of pseudopotential values in the region of small wave vectors.

Original languageEnglish (US)
Pages (from-to)471-478
Number of pages8
Journalphysica status solidi (b)
Issue number2
StatePublished - Apr 1 1978

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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