Effect of Mn trimerization on the magnetic and dielectric properties of hexagonal YMnO3

Y. Aikawa, T. Katsufuji, T. Arima, K. Kato

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62 Citations (Scopus)

Abstract

We have studied the crystal structure, magnetic properties, and dielectric properties of Ti-doped hexagonal YMnO3 composed of a Mn triangular lattice with trimerization. It was found that a structural phase transition occurring in YMn1-x Tix O3 around x=0.2, which is correlated with a suppression of Mn trimerization by Ti doping, has a substantial effect on the magnetic and dielectric properties of this series of compounds. This correlation between the crystal structure and magnetic and dielectric properties indicates that Mn trimerization plays an important role for the large magnetodielectric coupling unique to hexagonal R MnO3.

Original languageEnglish
Article number184418
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume71
Issue number18
DOIs
Publication statusPublished - 2005

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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