Effect of twin planes in the magnetization hysteresis loops of single crystals

M. Jirsa, M. Koblischka, T. Higuchi, M. Murakami

研究成果: Article

29 引用 (Scopus)

抜粋

The angular dependence of the critical currents is investigated in a moderately twinned (Formula presented) (NdBCO) single crystal in the temperature range (Formula presented) In intermediate fields around the fishtail peak a reduction of critical current density due to twin structure is observed up to 90 K. This effect implies that vortices retain their three-dimensional character practically up to (Formula presented) The effect of twin planes disappeared at external fields declined more than (Formula presented) from the (Formula presented) axis (twin planes). In this case, the hysteresis loops exhibited a clear fishtail shape. The intermediate peak observed previously in NdBCO single crystal at (Formula presented) is identified with the low-field limit of the twin plane activity.

元の言語English
ページ(範囲)R14771-R14774
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
58
発行部数22
DOI
出版物ステータスPublished - 1998 1 1
外部発表Yes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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