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Open AccessArticle

High pO2 Floating Zone Crystal Growth of the Perovskite Nickelate PrNiO3

1
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
2
Materials Science and Technology Division, Oak Ridge National laboratory, Oak Ridge, TN 37831, USA
3
Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA
4
Platform for the Accelerated Realization, Analysis and Discovery of Interface Materials (PARADIM), Department of chemistry, The Johns Hopkins University, Baltimore, MD 21218, USA
5
Department of Physics, Northern Illinois University, Dekalb, IL 60115, USA
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(7), 324; https://doi.org/10.3390/cryst9070324
Received: 5 June 2019 / Revised: 18 June 2019 / Accepted: 19 June 2019 / Published: 26 June 2019
(This article belongs to the Special Issue Optical Floating Zone and Crystals Grown by this Method)
Single crystals of PrNiO3 were grown under an oxygen pressure of 295 bar using a unique high-pressure optical-image floating zone furnace. The crystals, with volume in excess of 1 mm3, were characterized structurally using single crystal and powder X-ray diffraction. Resistivity, specific heat, and magnetic susceptibility were measured, all of which evidenced an abrupt, first order metal-insulator transition (MIT) at ~130 K, in agreement with previous literature reports on polycrystalline specimens. Temperature-dependent single crystal diffraction was performed to investigate changes through the MIT. Our study demonstrates the opportunity space for high fugacity, reactive environments for single crystal growth specifically of perovskite nickelates but more generally to correlated electron oxides. View Full-Text
Keywords: high pressure crystal growth; floating zone method; perovskite; nickelate; metal-insulator transition high pressure crystal growth; floating zone method; perovskite; nickelate; metal-insulator transition
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MDPI and ACS Style

Zheng, H.; Zhang, J.; Wang, B.; Phelan, D.; Krogstad, M.J.; Ren, Y.; Phelan, W.A.; Chmaissem, O.; Poudel, B.; Mitchell, J.F. High pO2 Floating Zone Crystal Growth of the Perovskite Nickelate PrNiO3. Crystals 2019, 9, 324.

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