Local off-centering symmetry breaking in the high-temperature regime of SnTe

K. R. Knox, E. S. Bozin, C. D. Malliakas, M. G. Kanatzidis, S. J.L. Billinge

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Abstract

The local structure of SnTe has been studied using atomic pair distribution function analysis of x-ray and neutron data. Evidence is found for a locally distorted high-temperature state, which emerges on warming from an undistorted rocksalt structure. The structural distortion appears rapidly over a relatively narrow temperature range from 300 to 400 K. A similar effect has been reported in PbTe and PbS and dubbed emphanisis; here we report on emphanisis in a compound that does not contain Pb. The analysis suggests that this effect is unrelated to the low-temperature ferroelectric state in SnTe.

Original languageEnglish
Article number014102
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume89
Issue number1
DOIs
Publication statusPublished - Jan 3 2014

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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