Abstract
We report the low temperature charge ordered structure and magnetic relaxation in nearly stoichiometric YFe 2 O 4 in which the charge frustration effect is considered to be dominant. The superlattice reflections have revealed the presence of four different phases with a triple, double, quadruple and septuplex charge-superstructure in the temperature range from room temperature to 130 K. The observed successive transitions have been proposed by a previous X-ray powder diffraction study. A slow relaxation of the superstructure was found at 130 K. Time dependence of the magnetic moment was observed at about 240 K to suggest a similar relaxation.
Original language | English |
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Pages (from-to) | 175-184 |
Number of pages | 10 |
Journal | Ferroelectrics |
Volume | 286 |
DOIs | |
Publication status | Published - Jun 1 2003 |
Externally published | Yes |
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