Spectroscopic evidence for bonding coordination defects in amorphous as

R. J. Nemanich, G. Lucovsky, W. Pollard, J. D. Joannopoulos

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


Spectroscopic evidence for four-fold and possibly, two-fold coordinated defects in amorphous As is presented. Structure in Raman scattering and infrared absorption measurements is interpreted using force-constant models and the cluster-Bethe-lattice method. The positions and intensities of certain peaks suggest that these defects may be the analogues of valence alternation pairs in amorphous chalcogenide glasses.

Original languageEnglish (US)
Pages (from-to)137-139
Number of pages3
JournalSolid State Communications
Issue number3
StatePublished - Apr 1978
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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