Growth of PrCo2 single crystals with a Boron Nitride crucible

Date
2018-10-30
Authors
Lograsso, Thomas
Liu, Yong
Lin, Qisheng
Lin, Qisheng
Pathak, Arjun
Paudyal, Durga
Lograsso, Thomas
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Ames Laboratory
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Ames LaboratoryPhysics and AstronomyMaterials Science and EngineeringChemistry
Abstract

Single crystals of PrCo2 have been grown from flux starting from Pr0.44Co0.56 that was synthesized by arc melting of stoichiometric mixtures of the elements. The Pr0.44Co0.56 ingot was loaded in a Boron Nitride (BN) crucible and sealed inside a quartz tube under vacuum. The quartz ampoule was heated to 1203 K, and then slowly cooled down to 923 K at a rate of 2 K/h. The obtained crystals have octahedral shapes and are of cubic C15 Laves phase structure confirmed by room temperature powder and single-crystal x-ray diffraction measurements. Magnetic susceptibility data show the Curie temperature TC = 46.7 K. The experimental value of saturation magnetization Ms = 3.2 μB/f.u is consistent with our theoretical calculations.

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This is a manuscript of an article published as Liu, Yong, Qisheng Lin, Arjun K. Pathak, Durga Paudyal, and Thomas A. Lograsso. "Growth of PrCo2 single crystals with a Boron Nitride crucible." Journal of Crystal Growth (2018). DOI: 10.1016/j.jcrysgro.2018.10.057. Posted with permission.

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