Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers

Makoto Takamura, Masashi Mukaida, Shigeru Horii, Ataru Ichinose, Ryusuke Kita, Masafumi Namba, Satoshi Awaji, Kazuo Watanabe, Kaname Matsumoto, Yutaka Yoshida

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The irreversibility temperatures were measured for a-axis oriented and c-axis in-plane aligned Y123/Prl23 multilayer films in various magnetic fields. Pr123 layers act as two-dimensional (planer) c-axis correlated artificial pinning centers (APCs) in the multilayer films. In the irreversibility field -temperature curves, the crossover was observed near matching field Bψ for the multilayer films, when the magnetic fields were applied parallel to the c-axis of the film (B//c). It is suggested the vortex state in Y123 films with two-dimensional APCs is Bose glass below the crossover field. The B irr - T curves under B//a shifted toward lower temperature and magnetic field regions.

Original languageEnglish
Article number5153274
Pages (from-to)3499-3502
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number3
DOIs
Publication statusPublished - Jun 1 2009

All Science Journal Classification (ASJC) codes

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

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    Takamura, M., Mukaida, M., Horii, S., Ichinose, A., Kita, R., Namba, M., Awaji, S., Watanabe, K., Matsumoto, K., & Yoshida, Y. (2009). Vortex behaviors near irreversibility fields of a-Axis oriented Y123 films inserted Pr123 layers. IEEE Transactions on Applied Superconductivity, 19(3), 3499-3502. [5153274]. https://doi.org/10.1109/TASC.2009.2019552