Control of Critical Current Density Properties of Superconducting Films by Control of Their Microstructures

Ataru Ichinise, Shun Miura, Kazuki Sugihara, Akihiro Tsuruta, Yusuke Ichino, Yutaka Yoshida, Satoshi Awaji, Kaname Matsumoto

Research output: Contribution to journalReview article

Abstract

BaMO3 (M = Hf, Sn)-doped Sm1+xBa2-xCu3Oy (x= 0, 0.04) superconducting films were fabricated by pulsed-laser deposition (PLD). It is known that BaMO3 nanorods are formed in superconducting films and that the morphology of nanorods affects the superconducting properties, particularly the critical current density ( JC) properties. In this study, superconducting films were fabricated by conventional PLD and by PLD using a low-temperature growth technique to control the morphology of the nanorods. The relationship between the nanorod morphology and JC properties is discussed.

Original languageEnglish
Pages (from-to)420-427
Number of pages8
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume80
Issue number7
DOIs
Publication statusPublished - 2016

Keywords

  • Artificial pinning centers
  • Microstructures
  • Nanorods
  • SmBa2 Cu3Oy
  • Superconducting films
  • Transmission electron microscopy (TEM)

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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