Enhancement of the high-field J c properties of MgB 2/Fe tapes by acetone doping

Dongliang Wang, Yanwei Ma, Zhaoshun Gao, Xianping Zhang, Lei Wang, Eric Mossang, Gen Nishijima, Satoshi Awaji, Kazuo Watanabe

研究成果: Article査読

4 被引用数 (Scopus)


We report the effect of acetone addition on in situ powder-in-tube processed MgB 2/Fe tapes by using acetone as liquid additive. The amount of acetone was varied from 0 to 15 wt.%. We found that a significant J c-B enhancement was easily achieved in high field by acetone doping. At 4.2 K, the transport J c for the best acetone added tapes (5 wt.%) reached up to 2.4×10 4 A/cm 2 at 10 T. With increasing acetone concentration, the a-axis lattice parameters, B c2 and B irr, were not much changed; however, the insulating MgO impurities and pores gradually increased, thereby resulting in the obvious decrease of J c values for 10 and 15 wt.% acetone-added samples, especially within low field region.

ジャーナルJournal of Superconductivity and Novel Magnetism
出版ステータスPublished - 2009 10月

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学


「Enhancement of the high-field J c properties of MgB 2/Fe tapes by acetone doping」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。