Single Crystal Growth of Pure Co3+ Oxidation State Material LaSrCoO4

Guo, Hanjie; Hu, Zhiwei; Pi, Tun-Wen; Tjeng, Liu Hao; Komarek, Alexander Christoph

doi:10.3390/cryst6080098

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Single Crystal Growth of Pure Co³⁺ Oxidation State Material LaSrCoO₄

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

Pi, Tun-Wen
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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

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Komarek, Alexander Christoph
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Guo, H., Hu, Z., Pi, T.-W., Tjeng, L. H., & Komarek, A. C. (2016). Single Crystal Growth of Pure Co³⁺ Oxidation State Material LaSrCoO₄. Crystals, 6(8): 98, pp. 1-7. doi:10.3390/cryst6080098.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-B97F-D

Abstract

We report on the single crystal growth of the single-layer perovskite cobaltate LaSrCoO4 that was grown by the optical floating zone method using high oxygen pressures. Phase purity and single crystallinity were confirmed by X-ray diffraction techniques. The pure Co3+ oxidation state was confirmed by X-ray absorbtion spectroscopy measurements. A transition to a spin glass state is observed at similar to 7 K in magnetic susceptibility and specific heat measurements.