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Journal Article

Single Crystal Growth and Physical Properties of Pyroxene CoGeO3

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

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

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

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Geibel,  Christoph
Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Tjeng,  Liu Hao
Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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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

Zhao, L., Hu, Z., Guo, H., Geibel, C., Lin, H.-J., Chen, C.-T., et al. (2021). Single Crystal Growth and Physical Properties of Pyroxene CoGeO3. Crystals, 11(4): 378, pp. 1-8. doi:10.3390/cryst11040378.


Cite as: https://hdl.handle.net/21.11116/0000-0008-72BE-2
Abstract
We report on the synthesis and physical properties of cm-sized CoGeO3 single crystals grown in a high pressure mirror furnace at pressures of 80 bar. Direction dependent magnetic susceptibility measurements on our single crystals reveal highly anisotropic magnetic properties that we attribute to the impact of strong single ion anisotropy appearing in this system with T-N similar to 33.5 K. Furthermore, we observe effective magnetic moments that are exceeding the spin only values of the Co ions, which reveals the presence of sizable orbital moments in CoGeO3.