Metalorganic Deposition of High Critical Current Thin Films in the Bi--Sr--Ca--Cu--O System on {100} LaAlO sub 3 Substrates

Metalorganic Deposition of High Critical Current Thin Films in the Bi--Sr--Ca--Cu--O System on {100} LaAlO sub 3 Substrates

Superconducting thin films of the two Cu-layer phase in the Pb-doped Bi--Sr--Ca--Cu--O system have been fabricated on {100} LaAlO sub 3 single crystals by the metalorganic deposition from ethyl hexanoate precursors. Thin films given heat treatments in air at 850-860 deg C had resistive transitions w...

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Veröffentlicht in:Applied physics letters 1992-07, Vol.61 (3), p.351-353
Hauptverfasser: Golden, S J, Lange, F F, Clarke, D R, Chang, L D, Necker, C T
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container_end_page 353
container_issue 3
container_start_page 351
container_title Applied physics letters
container_volume 61
creator Golden, S J
Lange, F F
Clarke, D R
Chang, L D
Necker, C T
description Superconducting thin films of the two Cu-layer phase in the Pb-doped Bi--Sr--Ca--Cu--O system have been fabricated on {100} LaAlO sub 3 single crystals by the metalorganic deposition from ethyl hexanoate precursors. Thin films given heat treatments in air at 850-860 deg C had resistive transitions with a T sub c of 86-89K. The zero-field transport critical current densities were in the range of 2-4 x 10 exp 5 A/cm exp --2 at 77K and 10 exp 6 A cm exp --2 at 45K in 200-300-nm-thick films. In contrast to c-axis oriented films grown on {100} MgO, X-ray pole figures show that the films grown on {100} LaAlO sub 3 are epitaxial, a result confirmed by electron channeling patterns.
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title Metalorganic Deposition of High Critical Current Thin Films in the Bi--Sr--Ca--Cu--O System on {100} LaAlO sub 3 Substrates
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