Hostname: page-component-76fb5796d-22dnz Total loading time: 0 Render date: 2024-04-25T09:27:07.399Z Has data issue: false hasContentIssue false
  • English
  • Français

A Crucibleless Liquid Phase Growth Method of Preparing the Y‐Ba‐Cu‐0 Superconducting Films

Published online by Cambridge University Press:  28 February 2011

K.C. Chen ,
L.H. Perng ,
C.H. Lin ,
T.P. Perng ,
T.B. Wu ,
J.M. Wu  and
T.S. Chin
K.C. Chen
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
L.H. Perng
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
C.H. Lin
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
T.P. Perng
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
T.B. Wu
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
J.M. Wu
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
T.S. Chin
Affiliation:
Department of Materials Science and Engineering and Materials Science Center National Tsing Hua University, Hsinchu, Taiwan, 30043, the Rep. of China
Get access

Abstract

Superconducting Y‐Ba‐Cu‐0 film can be prepared by a liquid phase growth method without crucible on 96 % and 99 % alumina substrates. A buffer layer of sputtered gold or platinum was necessary for the formation of Yba2Cu3Ox phase. The flux of Ba2Cu3O10. was appropriate for this purpose. For a film of 10 mm x 20 mm x 10 micron, 0.6 to 0.8 gm initial weight was optimal, the optimum melting temperature was 1090 to 1110 °C for 20 ‐ 30 minutes. In order to obtain films with superconducting transition, an additional Y2BaCuO5‐underlayer was necessary. The resultant optimal films had Tc‐onset of above 80 % and Tc ‐zero of typically around 60 K.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 727
Copyright
Copyright © Materials Research Society 1990

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1 Somekh, R.E., Blamire, M.C., Barber, Z.H., Butler, K., James, J.H., Morris, Q.W., Tomlinson, E.J., Schwarzenberger, A.P., Stobbs, W.M. and Evetts, J.E., Nature, 326, 857, (1987).Google Scholar
2 Budhani, R.C., Tzeng, S.H., Doerr, H.J., Bunshah, R.J., Appl. Phys. Lett., 51, 1277 (1987).Google Scholar
3 Kwo, J., Hsieh, T.C., Fleming, R.M., Hong, M., Liou, S.H., Davidson, B.A., and Feldman, L.C., Phys. Rev., B36, 4039 (1987).Google Scholar
4 Liu, R.S., Huang, Y.T., Wu, P.T., Chu, J., Jpn. J. Appl. Phys., 27, L1470(1987).Google Scholar
5 Oka, Kunihiko, Nakane, Kenji, Ito, Masahiro, Saito, Masatoshi and Unoki, Hiromi, Jpn. J. Appl. Phys. 27, L1065 (1988).Google Scholar