Temperature dependence of the peak effect in NdBa2Cu 3O 7-δ single crystals and melt-processed (Sm 0.5Eu0.5)Ba2Cu3O 7-δ single domains

A. Hu, N. Chikumoto, K. Inoue, M. Murakami

研究成果: Conference article

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Magnetization loops of NdBa2Cu3O7-δ (Nd123) single crystals grown under low oxygen partial pressure and melt-processed (Sm0.5Eu0.5)Ba2Cu 3O7-δ (SE123) crystals with post-annealing in Ar were comparatively studied in a wide temperature and field regime. The peak field at which magnetic moment displays the maximum, exhibits a linear temperature dependence in both cases. The fitting shows a slightly lower critical temperature than bulk Tc at null applied field. The temperature dependence of the onset field from which the absolute value of magnetic moment starts to increase, indicates the dominant pinning at low fields in Nd123 single crystals is the surface barrier while the RE211/123 interfacial pinning in melt-processed SE123 crystals.

元の言語English
ページ(範囲)345-348
ページ数4
ジャーナルPhysica C: Superconductivity and its applications
392-396
発行部数PART 1
DOI
出版物ステータスPublished - 2003 10 1
イベントProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
継続期間: 2002 11 112002 11 13

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

フィンガープリント Temperature dependence of the peak effect in NdBa<sub>2</sub>Cu <sub>3</sub>O <sub>7-δ</sub> single crystals and melt-processed (Sm <sub>0.5</sub>Eu<sub>0.5</sub>)Ba<sub>2</sub>Cu<sub>3</sub>O <sub>7-δ</sub> single domains' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

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