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  Single-crystal growth of Sr2RuO4 by the floating-zone method using an infrared image furnace with improved halogen lamps

Kikugawa, N., Sokolov, D. A., Nagasawa, T., & Mackenzie, A. P. (2021). Single-crystal growth of Sr2RuO4 by the floating-zone method using an infrared image furnace with improved halogen lamps. Crystals, 11: 392, pp. 1-10. doi:10.3390/cryst11040392.

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Genre: Journal Article

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 Creators:
Kikugawa, N.1, Author
Sokolov, Dmitry A.2, Author           
Nagasawa, T.1, Author
Mackenzie, Andrew P.3, Author           
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
3Andrew Mackenzie, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863463              

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Free keywords: Floating-zone technique, Molten-zone controlling, Single crystal, Sr2RuO4
 Abstract: We report the single-crystal growth of the unconventional superconductor Sr2RuO4, on which research has reached a turning point recently. In order to optimize the quality of crystals grown by the floating-zone method using an infrared image furnace, we focus on an improvement of the structure of the filament in the halogen lamps. By reducing the thickness of the total filament, the form of the molten zone was narrowed. More importantly, the molten zone was observed to be more stable during the growth process. Finally, we obtained the crystals with a length of 12 cm. Additionally, the grown crystal has high quality, displaying the 1.5 K transition temperature expected only for the purest crystals. We also discuss the availability of the newly developed halogen lamps. © 2021 by the authors.

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Language(s): eng - English
 Dates: 2021-04-082021-04-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.3390/cryst11040392
 Degree: -

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Title: Crystals
Source Genre: Journal
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Publ. Info: Basel, Switzerland : MDPI AG
Pages: - Volume / Issue: 11 Sequence Number: 392 Start / End Page: 1 - 10 Identifier: ISSN: 2073-4352
CoNE: https://pure.mpg.de/cone/journals/resource/2073-4352