Crystal Growth Techniques for Layered Superconductors

Nagao, Masanori

doi:10.3390/condmat2040032

Volume 2, Issue 4

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Condens. Matter 2017, 2(4), 32; https://doi.org/10.3390/condmat2040032

Crystal Growth Techniques for Layered Superconductors

Masanori Nagao

Center for Crystal Science and Technology, University of Yamanashi, 7-32 Miyamae, Kofu, Yamanashi 400-8511, Japan

Academic Editors: Yoshikazu Mizuguchi and Antonio Bianconi

Received: 23 August 2017 / Revised: 12 September 2017 / Accepted: 16 October 2017 / Published: 16 October 2017

(This article belongs to the Special Issue Layered Superconductors)

Full-Text | PDF [3558 KB, uploaded 16 October 2017] |

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Abstract

Layered superconductors are attractive because some of them show high critical temperatures. While their crystal structures are similar, these compounds are composed of many elements. Compounds with many elements tend to be incongruent melting compounds, thus, their single crystals cannot be grown via the melt-solidification process. Hence, these single crystals have to be grown below the decomposition temperature, and then the flux method, a very powerful tool for the growth of these single crystals with incongruent melting compounds, is used. This review shows the flux method for single-crystal growth technique by self-flux, chloride-based flux, and HPHT (high-pressure and high-temperature) flux method for many-layered superconductors: high-T_c cuprate, Fe-based and BiS₂-based compounds. View Full-Text

Keywords: flux method; incongruent melting compounds; solution growth; high-T_c cuprate superconductor; Fe-based superconductor; BiS₂-based superconductor

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