X-ray diffraction study of single crystal

Jun Ichi Yamaura, Reizo Kato, Yasuyoshi Nagai, Haruo Saito, Toshio Hyodo

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Single-crystal structure determination of (Formula presented) has been performed at 110 and 190 K in order to investigate the possible existence of a local structural deformation proposed by positron annihilation study of Nagai et al. [Phys. Rev. B 57, 14 119 (1998)]. A large thermal contraction along the (Formula presented) axis with decreasing temperature is observed, while the displacement of the atoms within the (Formula presented) plane is very small. This implies that the effect observed in the positron annihilation spectroscopies is caused by interactions involving positronium.

Original languageEnglish
Pages (from-to)14098-14101
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume58
Issue number21
DOIs
Publication statusPublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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