Microstructure and Tc-suppression in La-cuprates

Y. Horibe, Y. Inoue, Y. Koyama

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Microstructures of La2-xSrxCuO4 and La1.6-xSrxNd0.4CuO4 around x=0.12 at 12K have been examined by transmission electron microscopy. In both oxides, a spotty phase with the Pccn/LTT tilt appears inside a LTO domain, in addition to a line phase along a domain boundary. A difference between these oxides is that a volume fraction of the spotty phase to the LTO one in La-Sr-Nd-Cu-O is much larger than that in La-Sr-Cu-O. Because La1.6-xSrxNd0.4CuO4 does not basically exhibit superconductivity, the Tc-suppression found in La-cuprates should be related to the appearance of the spotty phase.

本文言語English
ページ(範囲)1071-1072
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
282-287
PART 2
DOI
出版ステータスPublished - 1997 8

ASJC Scopus subject areas

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

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