The hydrogen-containing bronzes H0.23WO3 and H0.10ReO3 synthesized via a polymer route

Lun Jin, Qiang Zhang, Robert J. Cava

Research output: Contribution to journalArticlepeer-review

Abstract

We report the synthesis of two hydrogen-containing perovskite-type bronzes H0.23WO3 and H0.10ReO3 utilizing an unconventional solid-state synthetic approach, involving the use of the polymer Poly(vinylidene fluoride) (CH2CF2)n. Powder neutron diffraction at ambient temperature shows that H0.23WO3 crystallizes in a tetragonal symmetry distortion of the simple perovskite structure (space group P4/nmm), with lattice parameters a ​= ​5.2279(2) Å, and c ​= ​3.8763(1) Å. H0.10ReO3, in contrast, crystallizes in a monoclinic distortion of a simple cubic perovskite (space group P2/m), with lattice parameters a ​= ​5.3125(1) Å, b ​= ​5.3155(3) Å, c ​= ​3.7045(3) Å, and γ ​= ​90.43(1)°. Both H0.23WO3 and H0.10ReO3 exhibit intrinsically diamagnetic behavior, with low temperature paramagnetic upturns and no signs of bulk superconductivity down to 0.35 ​K.

Original languageEnglish (US)
Article number122059
JournalJournal of Solid State Chemistry
Volume297
DOIs
StatePublished - May 2021

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Keywords

  • Diamagnetic
  • Hydrogen-containing perovskite-type bronzes
  • Neutron powder diffraction
  • Poly(vinylidene fluoride)
  • Polymer route
  • X-ray powder diffraction

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