Reciprocal space mapping of BaZrO3 within (Nd,Eu,Gd)Ba2Cu3Oy films prepared by various film growth techniques

Y. Ichino, Y. Yoshida, S. Funaki, T. Ozaki, Y. Takai, K. Matsumoto, M. Mukaida, R. Kita, A. Ichinose, S. Horii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

BaZrO3 (BZO) yields a dramatic enhancement in flux pinning properties in REBa2Cu3Oy films due to the formation of self-organized BZO nanorods. In this study, we fabricated BZO-doped (Nd,Eu,Gd)Ba2Cu3Oy (NEG) films by various film growth processes, such as low temperature growth (LTG) and modified LTG (mLTG), and we compared the superconducting properties and the microstructures of BZO within the NEG films. From measurements of magnetic field angular dependence of Jc, even though both LTG and mLTG films showed high Jc peaks at the B{norm of matrix}c-axis, the Jc peak in the mLTG film was higher than that in the LTG film. This difference is attributed to a difference in the configuration of BZO in the films. In order to clarify the configuration of BZO within the films, we evaluated X-ray reciprocal space maps (RSM) of the films. The RSM including BZO 103, NEG 108 and NEG 109 reflections exhibited epitaxial relationship of (0 0 1)[1 0 0] BZO{norm of matrix}(0 0 1)[1 0 0] NEG. We also observed tetragonally deformed BZO.

Original languageEnglish
Pages (from-to)1400-1403
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume469
Issue number15-20
DOIs
Publication statusPublished - Oct 15 2009

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Film growth
Growth temperature
norms
Flux pinning
Nanorods
flux pinning
matrices
configurations
nanorods
Magnetic fields
X rays
Microstructure
microstructure
augmentation

All Science Journal Classification (ASJC) codes

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

Cite this

Reciprocal space mapping of BaZrO3 within (Nd,Eu,Gd)Ba2Cu3Oy films prepared by various film growth techniques. / Ichino, Y.; Yoshida, Y.; Funaki, S.; Ozaki, T.; Takai, Y.; Matsumoto, K.; Mukaida, M.; Kita, R.; Ichinose, A.; Horii, S.

In: Physica C: Superconductivity and its applications, Vol. 469, No. 15-20, 15.10.2009, p. 1400-1403.

Research output: Contribution to journalArticle

Ichino, Y, Yoshida, Y, Funaki, S, Ozaki, T, Takai, Y, Matsumoto, K, Mukaida, M, Kita, R, Ichinose, A & Horii, S 2009, 'Reciprocal space mapping of BaZrO3 within (Nd,Eu,Gd)Ba2Cu3Oy films prepared by various film growth techniques', Physica C: Superconductivity and its applications, vol. 469, no. 15-20, pp. 1400-1403. https://doi.org/10.1016/j.physc.2009.05.237
Ichino, Y. ; Yoshida, Y. ; Funaki, S. ; Ozaki, T. ; Takai, Y. ; Matsumoto, K. ; Mukaida, M. ; Kita, R. ; Ichinose, A. ; Horii, S. / Reciprocal space mapping of BaZrO3 within (Nd,Eu,Gd)Ba2Cu3Oy films prepared by various film growth techniques. In: Physica C: Superconductivity and its applications. 2009 ; Vol. 469, No. 15-20. pp. 1400-1403.
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