Homogeneous distribution of 211 secondary-phase particles in single-grain melt-grown (Nd,Eu,Gd)Ba2Cu3O7 bulk

研究成果: Article査読

5 被引用数 (Scopus)

抄録

The microstructural features of the (Nd,Eu,Gd)Ba2Cu3O7 (NEG) bulks were studied by optical microscopy in polarized light. The quantitative microstructural data were obtained using the image processing system, Image-Pro Plus. Unlike YBa2Cu3Oy, melt-processed bulks, the NEG bulk superconductors prepared by oxygen-controlled-meltgrowth process do not exhibit macroscopic 211 secondary-phase inhomogeneity due to 211 particle pushing. The lowering of interface energy and increase of melt viscosity are suggested to be responsible for the essential suppression of 211 pushing in NEG melt-grown bulks. This result opens a way to achieve a homogeneous distribution of the current densities in melt-grown bulk superconductors.

本文言語English
ページ(範囲)143-147
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
339
3
DOI
出版ステータスPublished - 2000 10 15
外部発表はい

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 「Homogeneous distribution of 211 secondary-phase particles in single-grain melt-grown (Nd,Eu,Gd)Ba<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub> bulk」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。

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