Dielectric and structure properties of charge competing system YFe 2O4

Naoshi Ikeda, Ryosuke Mori, Kay Kohn, Masaichiro Mizumaki, Takahiro Akao

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

YFe2O4-δ ( δ < 0.005), which is a member of charge-frustrated system RFe 2 O 4 was synthesized and investigated by the low-temperature synchrotron powder X-ray diffraction. The structure between 225K and 250K is the same with the three-dimensional charge ordered state of LuFe 2 O 4 . Below the charge ordering temperature, at least five different phase transitions were detected. Since the balance of competing interaction between ionic charge essentially dominates the presence of multi phases in frustrated system, the low oxygen deficiency in YFe2O 4-δ is considered as the origin of the multi phases in low temperature.

Original languageEnglish
Pages (from-to)309-314
Number of pages6
JournalFerroelectrics
Volume272
DOIs
Publication statusPublished - Jan 1 2002
Externally publishedYes

Keywords

  • Charge frustration
  • Charge order
  • Competing interaction
  • Frustration
  • Iron Oxide
  • RFeO
  • Triangular lattice
  • YFeO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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