Laser-Assisted Floating Zone Growth of BaFe2S3 Large-Sized 
Ferromagnetic-Impurity-Free Single Crystals

Amigó, Maria Lourdes; Maljuk, Andrey; Manna, Kaustuv; Stahl, Quirin; Felser, Claudia; Hess, Christian; Wolter, Anja U. B.; Geck, Jochen; Seiro, Silvia; Büchner, Bernd

doi:10.3390/cryst11070758

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Laser-Assisted Floating Zone Growth of BaFe₂S₃ Large-Sized Ferromagnetic-Impurity-Free Single Crystals

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Manna, Kaustuv
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Amigó, M. L., Maljuk, A., Manna, K., Stahl, Q., Felser, C., Hess, C., et al. (2021). Laser-Assisted Floating Zone Growth of BaFe₂S₃ Large-Sized Ferromagnetic-Impurity-Free Single Crystals. Crystals, 11(7): 758, pp. 1-11. doi:10.3390/cryst11070758.

Cite as: https://hdl.handle.net/21.11116/0000-0008-E7C6-4

Abstract

The quasi-one-dimensional antiferromagnetic insulator BaFe2S3 becomes superconducting under a hydrostatic pressure of ∼10 GPa. Single crystals of this compound are usually obtained by melting and further slow cooling of BaS or Ba, Fe, and S, and are small and needle-shaped (few mm long and 50–200 µm wide). A notable sample dependence on the antiferromagnetic transition temperature, transport behavior, and presence of superconductivity has been reported. In this work, we introduce a novel approach for the growth of high-quality single crystals of BaFe2S3 based on a laser-assisted floating zone method that yields large samples free of ferromagnetic impurities. We present the characterization of these crystals and the comparison with samples obtained using the procedure reported in the literature. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.