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DoMayn-orientation dependence and low anisotropy factorof levitationforce in top-seeded melt-textured bulk YBCO

Published online by Cambridge University Press:  15 June 1999

A. W. Kaiser ,
H. J. Bornemann  and
V. Jung
A. W. Kaiser*
Affiliation:
Forschungszentrum Karlsruhe GmbH, INFP, P.O. Box 3640, 76021 Karlsruhe, Germany
H. J. Bornemann
Affiliation:
Forschungszentrum Karlsruhe GmbH, INFP, P.O. Box 3640, 76021 Karlsruhe, Germany
V. Jung
Affiliation:
Forschungszentrum Karlsruhe GmbH, INFP, P.O. Box 3640, 76021 Karlsruhe, Germany
*
axel.Kaiser2@de.bosch.com
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Abstract

Bulk Y1Ba2Cu3Oy was melt-textured without the use of seed crystals as well as by applying top-seeding with different seeds resulting in different orientations of the c-axis. Samples were examined by elastic neutron scattering and levitation force. The levitation force of the samples strongly depends on the orientation of the c-axis. The local superconducting parameters were found to be reduced with increasing distance from the seed. In order to study this influence, two cubes were prepared by top-seeding, but with seeds of Nd123 that had a parallel and perpendicular orientation of the c-axis of the Nd123-seed with respect to the contact area of the high-Tc superconductor. By this, different distances of the levitating surface, which is the surface that faces directly the magnet, from the seed were obtained. Results are presented and discussed.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 6 , Issue 3 , June 1999 , pp. 263 - 266
Copyright
© EDP Sciences, 1999

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References

FZK/INFP, German Patent DE 196 01 771 C1.
Semifinished parts of bulk melt-textured YBCO, http://www.fzk.infp.de/wheel/english/index.html.
Kaiser, A.W., Hennig, W., Bornemann, H.J., Physica C 299, 185 (1998). CrossRef
Shi, D., Qu, D., Sagar, S., Lahiri, K., Appl. Phys. Lett. 70, 3606 (1997). CrossRef
Todt, V.R., Sengupta, S., Shi, D., Sahm, P.R., McGinn, P.J., Poeppel, R.B., Hull, J.R., J. Elect. Mater. 23, 1127 (1994). CrossRef
Stoye, P., Gawalek, W., Görnert, P., Appl. Supercond. 2, 1535 (1997).
Dewhurst, C.D., Lo, W., Cardwell, D.A., IEEE Trans. Appl. Supercond. 7, 1925 (1997). CrossRef
Boffa, M., Trolio, A.D., Pace, S., Saggese, A., Vecchione, A., Cammarota, B., Sparvieri, N., IEEE Trans. Appl. Supercond. 7, 1797 (1997). CrossRef
Jung, V., Adam, M., Bornemann, H.J., Brokmeier, H.-G., Kaiser, A., Schnieber, R., Thoms, J., Mater. Sci. Forum 273, 595 (1997).
Kaiser, A., Bornemann, H., Adam, M., Supercond. Sci. Technol. 11, 26 (1998). CrossRef
Boegler, P., Urban, C., Rietschel, H., Bornemann, H.J., Appl. Supercond. 2, 315 (1994). CrossRef
Sagar, S., Lahiri, K., Shi, D., Yang, J.Z., IEEE Trans. Appl. Supercond. 7, 1929 (1997). CrossRef
Teshima, H., Morita, M., Hashimoto, M., Physica C 269, 15 (1996). CrossRef