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Powder x-ray diffraction and Rietveld analysis of (C2H5NH3)2CuCl4

  • Yi Liu
  • , Jun Shen
  • , Zunming Lu
  • , Baogen Shen
  • , Liqin Yan*
  • *Corresponding author for this work
  • CAS - Institute of Physics
  • CAS - Technical Institute of Physics and Chemistry
  • Hebei University of Technology
  • University of Chinese Academy of Sciences

Research output: Contribution to journalArticlepeer-review

Abstract

Structural properties of the organic-inorganic hybrid (C2H5NH3)2CuCl4 (EA2CuCl4) have been investigated by means of x-ray powder diffraction and Rietveld analysis. A structural phase transition from Pbca to Aba2 occurs at T4 = 240 K, which results in a paraelectric–ferroelectric phase transition. The release of the Jahn–Teller distortion with increasing temperature toward T4 is revealed by the structural analysis.

Original languageEnglish
Article number067502
JournalChinese Physics B
Volume30
Issue number6
DOIs
Publication statusPublished - May 2021
Externally publishedYes

Keywords

  • (CHNH)CuCl
  • Organic-inorganic hybrid
  • X-ray diffraction

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