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Resistive transitions and dc transport critical currents have been measured on YBa(2)Cu(3)O(7-x) pellets. The samples have been fabricated by the powder method at sintering temperatures ranging from 900 C to 940 C and have a relative density higher than 92% of the theoretical density, assumed equal to 6.36 g/cm3. The dependence of the critical current upon a weak applied field, up to 3 mTesla, at liquid nitrogen temperature, has been investigated. For a few samples, the temperature dependence of the resistance has been measured in a magnetic field up to 5 Tesla. The results are analysed in terms of the differences in the sintering conditions.

Additional information

Authors: BOFFA V ET AL., ENEA, Centro Ricerche Energia Frascati, Roma (IT);ALVANI C ET AL., ENEA, Centro Ricerche Energia Casaccia, Roma (IT);DI GIOACCHINO D ET AL., INFN-LNF, Roma (IT)
Bibliographic Reference: Report: RT/NUCL/90/46 EN (1990) 11 pp.
Availability: Available from Servizio Studi e Documentazione, ENEA, Centro Ricerche Energia Frascati, C.P. 65-00044 Frascati, Roma (IT)
Record Number: 199210169 / Last updated on: 1994-12-02
Original language: en
Available languages: en