Diffraction from random alloys

M. F. Thorpe, J. S. Chung, Y. Cai

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We calculate the diffraction from a random alloy, consisting of bonds of different natural lengths. The resulting structure is a distorted crystal with strong correlations between displacements at different sites. The diffraction pattern is dominated by a set of Bragg peaks whose intensity is modulated by a Debye-Waller factor. At the base of each of these Bragg peaks, we find divergent Huang scattering due to the second-order correlations between displacements. Higher-order correlations produce a negligible nondivergent background. Results are obtained in closed form and compared with computer simulations.

Original languageEnglish (US)
Pages (from-to)8282-8288
Number of pages7
JournalPhysical Review B
Issue number10
StatePublished - Jan 1 1991

ASJC Scopus subject areas

  • Condensed Matter Physics


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