Abstract
AC susceptibility and specific heat measurements confirm that the Mn sub-lattice of o-TmMnO3 orders at TNM n ≈ 41 K with a weaker feature at TC ≈ 32 K. 169Tm-Mössbauer spectra are interpreted in terms of a single, asymmetric, quadrupole-split doublet whose line width increases sharply at TC. This suggests the presence of a weak induced Tm-site moment, consistent with claims that the Mn sub-lattice magnetism undergoes a transition from incommensurate to collinear antiferromagnetic order at this temperature.
Original language | English |
---|---|
Pages (from-to) | 289-291 |
Number of pages | 3 |
Journal | Solid State Communications |
Volume | 150 |
Issue number | 5-6 |
DOIs | |
State | Published - 2010/02 |
Keywords
- A. Antiferromagnetic
- A. Manganites
- B. High pressure synthesis
- C. Orthorhombic
- D. Anti-ferromagnetic
- E. Tm-Mössbauer
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics
- Materials Chemistry