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Single-crystal growth and physical properties of 50% electron-doped rhodate Sr1.5La0.5RhO4

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Li,  Z. W.
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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

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

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

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Citation

Li, Z. W., Guo, H., Hu, Z., Chan, T. S., Nemkovski, K., & Komarek, A. C. (2017). Single-crystal growth and physical properties of 50% electron-doped rhodate Sr1.5La0.5RhO4. Physical Review Materials, 1(4): 044005, pp. 1-7. doi:10.1103/PhysRevMaterials.1.044005.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002E-9CA1-2
Abstract
Centimeter-sized single crystals of Sr1.5La0.5RhO4 were grown by the floating zone method at oxygen pressures of 20 bar. The quality of our single crystals was confirmed by x-ray Laue, powder and single crystal x-ray diffraction, neutron and x-ray absorbtion spectroscopy measurements. At similar to 50% electron doping we observe RhO3 octahedral rotations of similar to 8.2 degrees within the octahedral basal plane which are incompatible with space group I4/mmm. Our single crystal was further characterized by susceptibility, electrical transport, and, finally, specific heat measurements showing a temperature-dependent Debye temperature.