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Fabrication of Yy‐Pr1‐y ‐Ba‐Cu‐O Thin Films and Superlattices of ‐Ba‐Cu‐O/Yy‐Pr1‐y ‐Ba‐Cu‐O

1989 MRS Fall Meeting.

X. D. Wua1, M. S. Hegdea2, X. X. Xia3, Q. Lia3, A. Inama3, S. A. Schwarza4, J. A. Martineza5, B. J. Wilkensa4, J. B. Barnera4, C. C. Changa4, L. Nazara1, C. T. Rogersa4 and T. Venkatesana4

a1 Exploratory Research and Development Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545

a2 Indian Institute of Science, Bangalore, India 56102

a3 Physics Department, Rutgers University, Piscataway, NJ 08854

a4 Bellcore, Red Bank, NJ 07701

a5 Departamento de Fisica, Universidad Nacional de La Plata (UNLP), Argentina

Abstract

We have prepared epitaxial thin films of Yy‐Pr1‐y‐Ba‐Cu‐O (y= 1 to 0) and superlattices of Y‐Ba‐Cu‐O/Yy‐Pr1‐y ‐Ba‐Cu‐O using pulsed laser deposition technique. The zero resistance transition temperatures of Yy‐Pr1‐y‐Ba‐Cu‐O bulk samples are reproduced in the films. The composition oscillations in the superlattices are observed by SIMS. The films and superlattices are found to have c‐axis orientations and good crystallinity.

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