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Crystal orientation and growth anisotropy of YBa2Cu3O6+x fabricated by directional solidification method

Published online by Cambridge University Press:  03 March 2011

Y. Nakamura ,
K. Furuya ,
T. Izumi  and
Y. Shiohara
Y. Nakamura
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Koto-ku, Tokyo 135, Japan
K. Furuya
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Koto-ku, Tokyo 135, Japan
T. Izumi
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Koto-ku, Tokyo 135, Japan
Y. Shiohara
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Koto-ku, Tokyo 135, Japan
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Abstract

The unidirectional solidification by a zone-melting method was performed to investigate the growth anisotropy of YBa2Cu3O6+x (123) superconductive oxides. Large faceted interfaces were obtained at growth rates lower than 2 mm/h. The three-dimensional interface morphology and the onset of growth were observed. The crystal faces toward the growth direction were revealed to be close to the {112} face, which was selected as the result of the preferential growth. The growth rate of the {100} faces was evaluated to be about 1.5 times faster than that of the {001} faces from the steady growth condition.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 6 , June 1994 , pp. 1350 - 1356
Copyright
Copyright © Materials Research Society 1994

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References

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