The electronic density of states for some model disordered systems

V. Halpern

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The results are presented of calculations, for a model three dimensional system, of the effect of the introduction of various types and amounts of disorder into a crystal on the shape of the electronic density of states curve. It is found that even a small amount of disorder is sufficient to remove the van Hove singularities in the centre of the band, while in general the amount of distortion introduced depends on the amount of irregularity in the density of states curve for the perfect crystal, the amount of disorder, and whether this disorder resembles that appropriate to an amorphous system or that appropriate to an alloy.

Original languageEnglish
Article number007
Pages (from-to)3322-3331
Number of pages10
JournalUnknown Journal
Issue number23
StatePublished - 1972


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