Thick REBaCuO films for power applications planted on silver tapes

Muralidhar Miryala, Naomichi Sakai, T. MacHi, I. Hirabayashi, S. Tanaka

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We report on a novel technique of growing highly c-axis oriented ErBa 2Cu3Oy (Er-123) thick films on commercial silver substrates, starting from Er2BaO4, BaCuO 2, and CuO powders mixed in an Er-rich Er-123 ratio. Thick films are prepared by the screen-printing technique, being then processed in Ar-1% O 2 atmosphere. Using a there-step annealing, we obtain good quality films, with Tc (onset) 92 K. From x-ray diffraction (XRD) patterns, mainly the (0 0 l) reflections from the Er-123 films are observed. Formation of large flat grains, more than 100 μm in size, was observed by scanning electron microscope. The critical current density (Jc) value at 77 K and 0 T, estimated by magnetization measurements, is 32 kA/cm2. The present results indicate that the large-area superconducting thick films produced by the novel technique within a short processing time, possess good electromagnetic properties. As the technology is relatively cheap, the films are appropriate for commercial applications.

Original languageEnglish
Article number012145
JournalJournal of Physics: Conference Series
Volume97
Issue number1
DOIs
Publication statusPublished - 2008 Feb 1
Externally publishedYes

Fingerprint

tapes
thick films
silver
electromagnetic properties
printing
critical current
x ray diffraction
diffraction patterns
electron microscopes
current density
atmospheres
magnetization
annealing
scanning

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Thick REBaCuO films for power applications planted on silver tapes. / Miryala, Muralidhar; Sakai, Naomichi; MacHi, T.; Hirabayashi, I.; Tanaka, S.

In: Journal of Physics: Conference Series, Vol. 97, No. 1, 012145, 01.02.2008.

Research output: Contribution to journalArticle

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