Current transport property in GdBCO coated conductor with artificial pinning centers in a wide range of temperature, magnetic field up to 27 T, and field angle

M. Inoue, R. Fuger, K. Higashikawa, T. Kiss, M. Namba, S. Awaji, K. Watanabe, A. Ibi, S. Miyata, Y. Yamada, T. Izumi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We have investigated current transport property in Gd1Ba 2Cu3O7 δ coated conductor with artificial pinning centers in a wide range of temperature, magnetic field, B up to 27 T, and field angle. Due to the additional c-axis correlated pins, critical current density, Jc in B//c was enhanced and the improvement was observed in wide range of B. On the other hand, around Bc below 65 K, the angular dependence of nvalue showed a valley-like behavior, although the Jc was increasing. In addition, the temperature dependence of the pinning force density defined as Jc × B was not scaled on an expected master curve. These results indicate the pinning in Bc is governed by different mechanism below 65 K and high magnetic field.

Original languageEnglish
Pages (from-to)1292-1294
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume470
Issue number20
DOIs
Publication statusPublished - Nov 1 2010

All Science Journal Classification (ASJC) codes

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

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