The Crystal Structure of Superconducting LaO1−xF xBiS2

Anushika Athauda, Junjie Yang, Bing Li, Yoshikazu Mizuguchi, Seunghun Lee, Despina Louca

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Neutron scattering measurements were carried out on polycrystalline samples of LaO1−xFxBiS2 to investigate the evolution of the crystal structure with the appearance of superconductivity. It is observed that the BiS2 layer gradually unbuckles as x increases to 0.3 and the orientation of the buckling reverses by x = 0.5. The Debye temperatures were estimated to be ∼319 and ∼224 K for the x = 0 and x = 0.5, respectively, indicating significant softening related to structural disorder.

Original languageEnglish (US)
Pages (from-to)1255-1259
Number of pages5
JournalJournal of Superconductivity and Novel Magnetism
Issue number4
StatePublished - Apr 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


  • BiS layered superconductor
  • Debye temperature
  • Neutron scattering
  • Structural analysis


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