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査読

29 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)R14771-R14774
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
58
22
DOI
出版ステータスPublished - 1998 1月 1
外部発表はい

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

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