Pressure induced change in the ZrWMoO8

M. Yu Petrushina, E. S. Dedova, K. V. Yusenko, A. S. Portnyagin, E. K. Papynov, E. Yu Filatov, A. I. Gubanov

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

In this paper we report high-pressure synchrotron x-ray powder diffraction data for the cubic ZrWMoO8. For the first time, extensive structural study of ZrWMoO8 solid solution as a function of pressure was performed. This study shows that disordered cubic-ZrWMoO8 (space group Pa3-) transforms to ordered cubic-ZrWMoO8 (space group P213) at low pressure. A further high-pressure influence leads followed by amorphization of the sample at 2.2 GPa. All transformations are irreversible. Our work will have high impact in the design of new composite materials with well-defined thermal expansion, especially for applications under extreme conditions and high mechanic stress.

Original languageEnglish
Pages (from-to)428-430
Number of pages3
JournalMaterials Today: Proceedings
Volume25
DOIs
Publication statusPublished - 1 Oct 2019
Event3rd All-Russian Conference, with International Participation Hot Topics of Solid State Chemistry : From New Ideas to New Materials, HTSSC 2019 - Novosibirsk, Russian Federation
Duration: 1 Oct 20195 Oct 2019

Keywords

  • High pressure
  • Negative thermal expansion
  • Phase transition
  • Solid solution
  • XRD
  • NEGATIVE THERMAL-EXPANSION
  • COMPOSITES
  • ZRW2O8

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