Magnetic structures of Co2TeO3Cl2
Creators
- 1. Nagoya University, Department of Physics, Nagoya, Aichi (Japan)
- 2. Japan Atomic Energy Agency, Quantum Beam Science Directorate, Tokai, Ibaraki (Japan)
Description
Measurements of the magnetization and specific heat have been carried out for CO2TeO3Cl2 with a sawtooth lattice having two crystallographically distinct Co2+ sites. A powder neutron diffraction study has revealed that two magnetic transitions take place at TN1 - 73 K and TN2 - 15 K. Below TN1, Co spins at the apical sites of the sawtooth lattice order antiferromagnetically with their directions parallel to the b-axis. Co spins at the basal sites order antiferromagnetically at TN2 with their directions canted in the ab-plane from the a-axis by Dzyaloshinski-Moriya interaction. At this transition, no change in the spin structure at the apical sites has been observed. Discussion on possible origins of these complicated spin structure is presented. (author)
Additional details
Publishing Information
- Journal Title
- Journal of the Physical Society of Japan
- Journal Volume
- 76
- Journal Issue
- 8
- Journal Page Range
- p. 084713.1-084713.5
- ISSN
- 0031-9015
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 39007760
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANTIFERROMAGNETISM; BRAGG REFLECTION; CHLORIDES; COBALT COMPOUNDS; COBALT IONS; CRYSTAL LATTICES; MAGNETIC MOMENTS; MAGNETIC SUSCEPTIBILITY; MAGNETIZATION; NEUTRON DIFFRACTION; PHASE TRANSFORMATIONS; SPECIFIC HEAT; SPIN; TELLURATES; TEMPERATURE DEPENDENCE
- Descriptors DEC
- ANGULAR MOMENTUM; CHARGED PARTICLES; CHLORINE COMPOUNDS; COHERENT SCATTERING; CRYSTAL STRUCTURE; DIFFRACTION; HALIDES; HALOGEN COMPOUNDS; IONS; MAGNETIC PROPERTIES; MAGNETISM; OXYGEN COMPOUNDS; PARTICLE PROPERTIES; PHYSICAL PROPERTIES; REFLECTION; SCATTERING; TELLURIUM COMPOUNDS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS