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Updated: Jun 12, 2026

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates
Published on: April 12, 2019
Transmission electron microscopy study of a Y(1-X)Sm(x)Ba(2)Cu(3)O(y)-coated conductor containing BaZrO(3) particles
Takeharu Kato1, Masashi Miura, Masateru Yoshizumi
1Nanostructures Research Laboratory, Japan Fine Ceramics Center, Atsuta-ku, Nagoya, Japan. tkato@jfcc.or.jp
Abstract:
A Y(1-X)Sm(x)Ba(2)Cu(3)O(y) (YSmBCO) superconductive layer containing BaZrO(3) (BZO) particles was fabricated on a Hastelloy substrate with a CeO(2)/Gd(2)Zr(2)O(7) buffer layer by trifluoroacetates-metal organic deposition. The nanostructures of the layer were characterized by transmission electron microscopy and found to be comparatively dense and predominantly composed of c-axis oriented grains. Some BaCeO(3) regions formed at the interface between the YSmBCO and the CeO(2) layers. BZO particles and the (Y,Sm)(2)Cu(2)O(5) (225) phase were formed in the YSmBCO. The average sizes of the BZO and the 225 phase particles were 20 and 150 nm, respectively, with random orientation. The BZO particles were found to be homogeneously distributed within the YSmBCO layer, which should enhance its superconducting behavior in high magnetic fields.
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