TITLE

J[sub c] enhancement of YBa[sub 2]Cu[sub 3]O[sub 7] films on polycrystalline silver substrates by metalorganic chemical vapor deposition in high magnetic fields

AUTHOR(S)
Ma, Yanwei; Yanwei Ma; Watanabe, Kazuo; Awaji, Satoshi; Motokawa, Mitsuhiro
PUB. DATE
November 2000
SOURCE
Applied Physics Letters;11/27/2000, Vol. 77 Issue 22
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
High-quality YBa[sub 2]Cu[sub 3]O[sub 7] (YBCO) films were grown on polycrystalline silver substrates by a metalorganic chemical vapor deposition process in high magnetic fields. Property characterizations revealed that the YBCO films deposited in high magnetic fields have excellent structural and superconducting properties. At 77 K, the transport critical current densities of such films were over 10 000 A/cm2 in the field of 1 T (H||c axis). The improvement of the critical currents in YBCO films deposited in high magnetic fields is correlated with the better intergrain connections, as observed by scanning electron microscopy. © 2000 American Institute of Physics.
ACCESSION #
4415056

 

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