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Development of LPE process for fabrication of coated conductors

Published online by Cambridge University Press:  18 March 2011

Teruo Izumi ,
Natsuro Hobara ,
Toru Izumi ,
Katsuya Hasegawa ,
Masahiko Kai ,
Hiroshi Fuji ,
Tetsuji Honjo ,
Yao Xin ,
Christian Krauns  and
Maxim Kuznetsov
...Show all authors
Teruo Izumi
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Natsuro Hobara
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Toru Izumi
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Katsuya Hasegawa
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Masahiko Kai
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Hiroshi Fuji
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Tetsuji Honjo
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Yao Xin
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Christian Krauns
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Maxim Kuznetsov
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Yuichi Nakamura
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
Yuh Shiohara
Affiliation:
Superconductivity Research Laboratory, ISTEC, Shinonome 1-10-13, Koto-ku, Tokyo 135-0062, JAPAN
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Abstract

Recent Progress of development for coated conductors by the LPE technique was reviewed. Double layered LPE films were applied to the growth on metal substrates. In both cases of MgO- and NiO- buffers, the constructions were succeeded to grow on Hastelloy and Ni tapes, respectively. In the case of the MgO-buffer, the problem, which is the melting back of the 1st LPE layer during dipping for the growth of the 2nd LPE layer, was found. The problem was solved by means of the selection of the materials for each LPE layer to introduce the difference in the growth temperature for the 1st and the 2nd layers. The lower growth temperature for the 1st LPE layer than that for 2nd one is effective to avoid the problem. On the other hand, the double layered LPE films on Ni tapes revealed Tc of 85K. Concerning the long tape processing, the high growth rate of 1≈ was confirmed even without rotation using the long tape apparatus.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 659: Symposium II – High-Temperature Superconductors-Crystal Chemistry, Processing & Properties , 2000 , II4.6
Copyright
Copyright © Materials Research Society 2001

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References

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