Advances in Superconductivity IX: Proceedings of the 9th International Symposium on Superconductivity (ISS '96), October 21-24, 1996, Sapporo Volume 2

C axis Current I . The (11 0) thick homoepitaxial film of 320 nm ------- -=-=--==---==--==--==--- shows a very good surface flatness, which ---------- sJ;1 0] suggests the unique (110) atomic plane helps 2- A [1 1 OJ dimensional epitaxial growth of YBCO films, and shows excellent high Tc. The resultant 1. 0 surface morphology of YBCO is quite different Q, . -- R(270)=1. 60 m 0 from the (110) heteroepitaxial films of similar 0 0. 0 " thickness [11). In the case of heteroepitaxy ., _. 1. 0 irrespective of c-axis [ 12] or a-axis oriented . ., . R(270)=3. 71 m 0 films [5), only thin films show flat surfaces, g 0. 0 . . Tc=92. 3K "' which, however, give usually a degraded Tc due - 1. 0 v v I - to lattice mismatching. In conclusion, we have::1., . . . . . R(270)=31. 9 mO succeeded to grow high-quality (11 0) YBCO YBCO film . . Tc=90. 7 K 0. 0 -; YBCO(IIO) 1 0 -d--- YBCO thinfilms on (11 0) YBCO single crystal substrate Xtt=u 1. 0 substra substrates with very flat surfaces and high Tc's.: R(270)=40. 1 m 0 0. 0 LLLLL. J. . . . LL . t-J' L-Tc=9LWO. L-! L-K LLLLL. . . . L. . I. . . . l. . . . L. L. L. J. . . . . L. L. l. . . J 50 100 150 200 250 300 0 ACKNOWLEDGMENTS Temperature (K) One of the authors (T. U. ) would like to thank Fig.

Author: Sadao Nakajima

Publisher: Springer

Publication Date: Dec 03, 2014

Number of Pages: 847 pages

Binding: Paperback or Softback

ISBN-10: 4431684751

ISBN-13: 9784431684756