Single-Crystal Growth and Characterization of Cuprate Superconductor (Hg,Re)Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}

J. Phys. Soc. Jpn. 93, 044707 (2024) We grew (Hg,Re)Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ ((Hg,Re)1223) single crystals with good reproducibility via the single-step flux method using monoxides as raw materials. A double-sealing method using a thick-walled quartz tube and a stainless-steel container was...

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Hauptverfasser: Mino, Yutaro, Ishida, Shigeyuki, Kato, Junichiro, Nakagawa, Shungo, Kashiwagi, Takanari, Nozue, Takahiro, Takeshita, Nao, Kihou, Kunihiro, Lee, Chul-Ho, Nishio, Taichiro, Eisaki, Hiroshi
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Sprache:eng
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Zusammenfassung:J. Phys. Soc. Jpn. 93, 044707 (2024) We grew (Hg,Re)Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ ((Hg,Re)1223) single crystals with good reproducibility via the single-step flux method using monoxides as raw materials. A double-sealing method using a thick-walled quartz tube and a stainless-steel container was adopted for explosion protection. The maximum crystal size was approximately 1 mm x 1 mm in the ab plane and 0.04 mm in thickness. The crystal was square-shaped, reflecting the tetragonal crystal structure of (Hg,Re)1223. Magnetic susceptibility measurements indicated a critical temperature of 130 K. The in-plane resistivity exhibited a linear temperature dependence, indicating that the sample was close to optimal doping level. The out-of-plane resistivity was also measured, and the anisotropy parameter was 250-650 at 300 K.
DOI:10.48550/arxiv.2403.19182