Estimation of Respective Volume Fractions of High- and Low-T_c Phases in Inhomogeneous Oxide Superconductors

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概要

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• For Bi- or Tl-based oxide superconductors, several different phases usually coexist in a sample. We propose here a new way of quantitative estimation of the volume fraction of each phase. It is based on the fact that the ratio of the reversible magnetization of each phase varies with temperature and magnetic field. In this estimation, fundamental parameters such as penetration depth or upper critical field of each phase should be specified beforehand, and the sample is required to be roughly c-axis oriented.

• 社団法人応用物理学会の論文
• 1990-09-20

著者

• Akita Shirabe

  Advanced Technology Department Komae Research Laboratory Central Research Institute Of Electric Powe

• Ando Yoichi

  Advanced Technology Department Komae Research Laboratory Central Research Institute Of Electric Powe

関連論文

• A New Method of Estimating the Superconducting Volume Fraction in High-T_c Superconductors
• Estimation of Respective Volume Fractions of High- and Low-T_c Phases in Inhomogeneous Oxide Superconductors

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