Growth of YBa2Cu3O7-δ Single Crystals

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Copyright (c) 1987 The Japan Society of Applied Physics
, , Citation Hiroshi Katayama-Yoshida et al 1987 Jpn. J. Appl. Phys. 26 L2007 DOI 10.1143/JJAP.26.L2007

1347-4065/26/12A/L2007

Abstract

Large single crystals of high-temperature superconductor YBa2Cu3O7-δ (Tc ∼ 90 K) have been successfully grown in the cavity of bulk materials with a CuO flux. Crystals with a typical size of 2×2×0.3 mm3 were obtained. As-grown single crystals do not show superconductivity at liquid nitrogen temperature. However, after annealing in O2 flow for three days, they become superconductive at Tc ∼ 90 K.

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10.1143/JJAP.26.L2007