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Growth of high-quality Bi2Sr2CaCu2Oz crystal and characterization

Published online by Cambridge University Press:  31 January 2011

H. Faqir ,
G. Vacquier ,
H. Chiba ,
M. Kikuchi ,
Y. Muraoka  and
Y. Syono
H. Faqir
Affiliation:
Laboratoire de Physico-Chimie des Matériaux-Équipe de Chimie du Solide, Université de Provence–Centre St-Charles, 13331 Marseille Cedex 3, France
G. Vacquier
Affiliation:
Laboratoire de Physico-Chimie des Matériaux-Équipe de Chimie du Solide, Université de Provence–Centre St-Charles, 13331 Marseille Cedex 3, France
H. Chiba
Affiliation:
Institute for Materials Research, Tohoku University, Katahira, Sendai 980, Japan
M. Kikuchi
Affiliation:
Institute for Materials Research, Tohoku University, Katahira, Sendai 980, Japan
Y. Muraoka
Affiliation:
Institute for Materials Research, Tohoku University, Katahira, Sendai 980, Japan
Y. Syono
Affiliation:
Institute for Materials Research, Tohoku University, Katahira, Sendai 980, Japan
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Abstract

We report growth of high-quality Bi2Sr2CaCu2Oz single crystals with dimensions 2 × 1 × 0.03 mm3 with a melt and growth technique. The composition of this crystal is homogeneous and very close to the stoichiometric composition. Structure characterization of a single crystal was realized by measuring the (001) x-ray diffraction. The lattice parameters of a typical crystal are a = 5.414(2) Å, b = 5.413(2) Å, and c = 30.823(10) Å. The superconducting temperature Tc = 95 K with a sharp transition width (10–90% level) between 6 and 10 K was determined from resistivity and dc susceptibility. We have measured the magnetization of Bi2Sr2CaCu2Oz single crystal under magnetic field applied along the c-axis. The anomalous second peak effect appeared between 20 and 30 K. We discuss the qualities of these crystals.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 10 , October 1997 , pp. 2522 - 2525
Copyright
Copyright © Materials Research Society 1997

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References

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