Superconducting properties and microstructure of PLD-ErBa2Cu3O7-δ film with BaNb2O6

H. Kai, M. Mukaida, S. Horii, A. Ichinose, R. Kita, S. Kato, K. Matsumoto, Y. Yoshida, R. Teranishi, K. Yamada, N. Mori

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We report superconducting properties and microstructures of a ErBa2Cu3O7-δ (ErBCO) film with 1.5 wt% BaNb2O6 (BNO) grown by pulse laser deposition (PLD) on a SrTiO3 (STO) substrate. The BNO was introduced into the ErBCO film as an artificial pinning center. Nano-rods originated in the BNO-doping and some particulate defects were clearly observed in transmission electron microscopy (TEM) images of the ErBCO film. The ErBCO film with BNO-doping (BNO + ErBCO) had almost the same critical temperature (TC) as that of a pure ErBCO film. On the other hand, the BNO + ErBCO film showed less critical current density (JC) than that of the pure ErBCO film. The angular peaks for H∥c-axis on JC-B-θ curves were not confirmed under all the measured external magnetic fields. X-ray diffraction analysis indicated the high orientation to the both c-axis and in-plane for the obtained film. However, the low surface flatness was confirmed by the TEM and atomic force microscopy (AFM) observation.

Original languageEnglish
Pages (from-to)895-899
Number of pages5
JournalPhysica C: Superconductivity and its applications
Volume463-465
Issue numberSUPPL.
DOIs
Publication statusPublished - Oct 1 2007
Externally publishedYes

Fingerprint

laser deposition
Laser pulses
microstructure
Microstructure
pulses
Doping (additives)
Transmission electron microscopy
transmission electron microscopy
flatness
X ray diffraction analysis
particulates
Atomic force microscopy
critical current
critical temperature
rods
atomic force microscopy
Magnetic fields
current density
Defects
defects

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

Superconducting properties and microstructure of PLD-ErBa2Cu3O7-δ film with BaNb2O6. / Kai, H.; Mukaida, M.; Horii, S.; Ichinose, A.; Kita, R.; Kato, S.; Matsumoto, K.; Yoshida, Y.; Teranishi, R.; Yamada, K.; Mori, N.

In: Physica C: Superconductivity and its applications, Vol. 463-465, No. SUPPL., 01.10.2007, p. 895-899.

Research output: Contribution to journalArticle

Kai, H, Mukaida, M, Horii, S, Ichinose, A, Kita, R, Kato, S, Matsumoto, K, Yoshida, Y, Teranishi, R, Yamada, K & Mori, N 2007, 'Superconducting properties and microstructure of PLD-ErBa2Cu3O7-δ film with BaNb2O6', Physica C: Superconductivity and its applications, vol. 463-465, no. SUPPL., pp. 895-899. https://doi.org/10.1016/j.physc.2007.04.273
Kai, H. ; Mukaida, M. ; Horii, S. ; Ichinose, A. ; Kita, R. ; Kato, S. ; Matsumoto, K. ; Yoshida, Y. ; Teranishi, R. ; Yamada, K. ; Mori, N. / Superconducting properties and microstructure of PLD-ErBa2Cu3O7-δ film with BaNb2O6. In: Physica C: Superconductivity and its applications. 2007 ; Vol. 463-465, No. SUPPL. pp. 895-899.
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AU - Kato, S.

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