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Crystals 2016, 6(7), 79; doi:10.3390/cryst6070079

Zirconate Pyrochlore Frustrated Magnets: Crystal Growth by the Floating Zone Technique

1
Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
2
SP2M-ICMMO, UMR 8182, Universite Paris-Sud 11, F-91405 Orsay, France
*
Author to whom correspondence should be addressed.
Academic Editor: Ekaterina Pomjakushina
Received: 13 June 2016 / Revised: 29 June 2016 / Accepted: 1 July 2016 / Published: 11 July 2016
(This article belongs to the Special Issue Traveling Solvent Floating Zone (TSFZ) Method in Crystal Growth)
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Abstract

This article reviews recent achievements on the crystal growth of a new series of pyrochlore oxides—lanthanide zirconates, which are frustrated magnets with exotic magnetic properties. Oxides of the type A 2 B 2 O 7 (where A = Rare Earth, B = Ti, Mo) have been successfully synthesised in single crystal form using the floating zone method. The main difficulty of employing this technique for the growth of rare earth zirconium oxides A 2 Zr 2 O 7 arises from the high melting point of these materials. This drawback has been recently overcome by the use of a high power Xenon arc lamp furnace for the growth of single crystals of Pr 2 Zr 2 O 7 . Subsequently, large, high quality single crystals of several members of the zirconate family of pyrochlore oxides A 2 Zr 2 O 7 (with A = La → Gd) have been grown by the floating zone technique. In this work, the authors give an overview of the crystal growth of lanthanide zirconates. The optimum conditions used for the floating zone growth of A 2 Zr 2 O 7 crystals are reported. The characterisation of the crystal boules and their crystal quality is also presented. View Full-Text
Keywords: single crystal growth; floating zone technique; lanthanide zirconate; pyrochlore; fluorite; frustrated magnets single crystal growth; floating zone technique; lanthanide zirconate; pyrochlore; fluorite; frustrated magnets
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ciomaga Hatnean, M.; Decorse, C.; Lees, M.R.; Petrenko, O.A.; Balakrishnan, G. Zirconate Pyrochlore Frustrated Magnets: Crystal Growth by the Floating Zone Technique. Crystals 2016, 6, 79.

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