Superconducting transitions of YBa2Cu3Ox superconductors in high fields

T. Matano, M. R. Koblischka, B. W. Veal, M. Murakami, T. Takizawa

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

Superconducting transitions were measured in field-cooled cooling and field-cooled warming modes in external magnetic fields ranging between 1 mT and 7 T on YBa2Cu3Ox (Y123) single crystals with and without the fishtail effect. The Y123 crystal with the fishtail effect exhibited a two-step transition when being cooled in high fields, while the Y123 crystal without the fishtail showed a single step transition. Furthermore, an upturn in magnetic moment was observed at lower temperatures for Y123 with the fishtail effect. Such an upturn is ascribed to the local Cu magnetic moment due to oxygen vacancies. The fishtail effect is thus caused by oxygen vacancies.

本文言語English
ページ(範囲)805-806
ページ数2
ジャーナルSuperconductor Science and Technology
13
6
DOI
出版ステータスPublished - 2000 6 1
外部発表はい
イベントThe 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn
継続期間: 1999 10 191999 10 22

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 凝縮系物理学
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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