Magnetic properties of the honeycomb oxide
Journal Article
·
· Physical Review B
- National Center For Scientific Research (CNRS), Grenoble (France). Neel Inst.; Univ. of Grenoble (France)
- National Center For Scientific Research (CNRS), Grenoble (France). Neel Inst.; Univ. of Grenoble (France); Alternative Energies and Atomic Energy Commission (CEA), Saclay (France)
- National Center For Scientific Research (CNRS), Grenoble (France). Neel Inst.; Univ. of Grenoble (France); Luxembourg Inst. of Science and Technology, Belvaux (Luxembourg). Materials Research and Technology Dept.; Univ. of Paris Saclay (France)
- National Center For Scientific Research (CNRS), Grenoble (France). Neel Inst.; Univ. of Grenoble (France); Institute of Microelectronics Electromagnetism and Photonics and the Hyperspectral and Characterization (IMEP-LAHC) Lab., Grenoble (France)
- National Center For Scientific Research (CNRS), Grenoble (France). Neel Inst.; Univ. of Grenoble (France); SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Inst. for Materials and Energy Sciences
We have studied the magnetic properties of Na 2 Co 2 TeO 6 , which features a honeycomb lattice of magnetic Co 2 + ions, through macroscopic characterization and neutron diffraction on a powder sample. We also show that this material orders in a zigzag antiferromagnetic structure. Additionally by allowing a linear magnetoelectric coupling, this magnetic arrangement displays very peculiar spatial magnetic correlations, larger in the honeycomb planes than between the planes, which do not evolve with the temperature. We have investigated this behavior by classical Monte Carlo calculations using the J 1 - J 2 - J 3 model on a honeycomb lattice with a small interplane interaction. Furthermore, our model reproduces the experimental neutron structure factor, although its absence of temperature evolution must be due to additional ingredients, such as chemical disorder or quantum fluctuations enhanced by the proximity to a phase boundary.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1361058
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 21 Vol. 94; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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