Enhanced Tc and strong flux pinning in melt-processed NdBa2Cu3Oy superconductors

Sang Im Yoo, Masato Murakami, Naomichi Sakai, Takamitsu Higuchi, Shoji Tanaka

研究成果: Article査読

165 被引用数 (Scopus)

抄録

The effects of various oxygen partial pressures (PO2) during melt processing on the superconducting properties of fabricated NdBa2Cu3Oy (Ndl23) superconductors have been systematically investigated. Unlike in air or O2samples melt-processed in reduced oxygen atmospheres exhibited unprecedentedly high Tc’s of 95–96 K with a sharp superconducting transition. Especially, for a sample melt-processed in 0.1% O2 in Ar, the magnetization hysteresis (M-H) loop was kept open up to 7 T at 77 K and for the field parallel to the c-axis of the sample (H//c), implying that very effective flux pinning can be achieved in high magnetic fields.

本文言語English
ページ(範囲)L1000-L1003
ジャーナルJapanese Journal of Applied Physics
33
7
DOI
出版ステータスPublished - 1994 7月
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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