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Journal Article

Single Crystal Growth and Magnetic Properties of High Oxidation State Material Ba2CoO4

MPS-Authors
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Ryu,  Gihun
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons180435

Guo,  Hanjie
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons186103

Zhao,  Li
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126589

Drees,  Yvo
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons138179

Li,  Zhiwei
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126666

Hu,  Zhiwei
Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126701

Komarek,  Alexander C.
Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Ryu, G., Guo, H., Zhao, L., Fernández-Díaz, M. T., Drees, Y., Li, Z., et al. (2019). Single Crystal Growth and Magnetic Properties of High Oxidation State Material Ba2CoO4. Physica Status Solidi RRL - Rapid Research Letters, 13: 1800537, pp. 1-5. doi:10.1002/pssr.201800537.


Cite as: https://hdl.handle.net/21.11116/0000-0002-AE3F-5
Abstract
This study reports on the physical properties of Ba2CoO4 single crystals grown in a high pressure mirror furnace at oxygen pressures of 20 bar. Direction dependent magnetic susceptibility measurements on the single crystals below TN≈25 K reveal a spin direction which is parallel to the crystallographic a-axis. Therefore, the spin structure of Ba2CoO4 has been re-analyzed and a different magnetic structure with magnetic moments pointing mainly in a-direction is proposed which reconciles neutron, µSR, and magnetic susceptibility measurements.