Abstract
High-resolution neutron-powder diffraction data show that the double perovskite Ba2PrIrO6 is cubic at ambient temperatures in space group Fm over(3, -) m. Below TN=71 K the compound orders antiferromagnetically with magnetic moments of ∼0.43(2) μB at 6 K, on both the Pr4+ and the Ir4+ sites, oriented along the cubic a-axis. Inelastic neutron scattering at 105 K reveals a strong peak at ∼276 meV and a weak transition at 366 meV. The former is consistent with the crystal field splitting of the Pr4+ J = frac(5, 2) ground state under the cubic point symmetry, while the latter peak is due to the intermultiplet transition between the J = frac(5, 2) ground state and J = frac(7, 2) excited state.
Original language | English |
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Pages (from-to) | 543-545 |
Number of pages | 3 |
Journal | Physica B: Condensed Matter |
Volume | 378-380 |
Issue number | SPEC. ISS. |
DOIs | |
Publication status | Published - 1 May 2006 |
Externally published | Yes |
Keywords
- Antiferromagnetic ordering
- BaPrIrO
- Crystal field excitations
- Double perovskite
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering