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Deposition of TlBaCaCuO films on sapphire and CeO2/sapphire substrates

✍ Scribed by C.R.M. Grovenor; S.M. Morley; A.P. Bramley; J.D. O'Connor; D. Dew-Hughes; B. Pecz

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 152 KB
Volume: 235-240
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(94)91581-4

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✦ Synopsis

Superconducting thin films of TBCCO have been prepared directly on R-plane sapphire substrates and on CeO 2 buffer layers on sapphire. The superconducting properties of the films on the buffered sapphire are quite encouraging, with Jc values in excess of 5.104 A/cm 2. However, a potential problem with this buffer layer has been identified; the formation of a BaCeO3 layer by reactionof the superconducting film with the CeO2.

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