Strong flux pinning centers in Y-Ba-Cu-O films prepared by chemical vapor deposition

Kazuo Watanabe, T. Matsushita, N. Kobayashi, H. Kawabe, E. Aoyagi, K. Hiraga, Hisanori Yamane, H. Kurosawa, T. Hirai, Y. Muto

研究成果: Article査読

75 被引用数 (Scopus)

抄録

The Y-Ba-Cu-O film prepared by chemical vapor deposition showed T c=91.5 K and Bc2 (77.3 K)=60 T defined by zero resistance. The Jc values measured at 77.3 K were 7.8×105 A/cm2 at B=0 and 1.0×105 A/cm2 at 16 T, magnetic fields perpendicular to the c axis. Small disk-shaped precipitates possibly regarded as strong flux pinning centers in the Y-Ba-Cu-O films were observed using transmission electron microscopy. The evaluation of Jc related to the concentration and configuration of the precipitates was in reasonable agreement with the measured Jc values.

本文言語English
ページ(範囲)1490-1492
ページ数3
ジャーナルApplied Physics Letters
56
15
DOI
出版ステータスPublished - 1990 12 1

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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