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YBa2Cu3Ox thin films on off-axis substrates

✍ Scribed by K. Yamamoto; M. Yoshihara; M. Matsui; M. Nakajima

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 339 KB
Volume: 185-189
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(91)91095-l

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✦ Synopsis

YBa, Cu~Oy (YBCO) thin films were in-situ prepared on MgO(001) substrates with vicinal angles toward [100]Mg'O.'[001]YBCO tilted from substrate surface normal only toward [001]MgO. With increasing the vicinal angles, the angle between [001]YBCO and [001]MgO and the rocking curve width were increased. Tc was independent of the current direction and the vicinal angle. On the other hand, Jc normal to V-Direction (the direction normal to [010]MgO and parallel to substrate surface) was higher than parallel to one using electrical current parallel to the film surface.

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