Flux pinning properties of REBa2Cu3Oy thin films with BaZrO3 nano-rods

T. Fujiyoshi; M. Haruta; T. Sueyoshi; K. Yonekura; M. Watanabe; M. Mukaida; R. Teranishi; K. Matsumoto; Y. Yoshida; A. Ichinose; S. Horii; S. Awaji; K. Watanabe

doi:10.1016/j.physc.2008.05.155

Flux pinning properties of REBa₂Cu₃O_y thin films with BaZrO₃ nano-rods

T. Fujiyoshi, M. Haruta, T. Sueyoshi, K. Yonekura, M. Watanabe, M. Mukaida, R. Teranishi, K. Matsumoto, Y. Yoshida, A. Ichinose, S. Horii, S. Awaji, K. Watanabe

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3 Citations (Scopus)

Abstract

Flux pinning properties in ErBa₂Cu₃O_y and YBa₂Cu₃O_y thin films with BaZrO₃ nano-rods prepared by PLD were measured to investigate the flux pinning mechanism. The enhancement of J_c was confirmed by the measurement of the dependence of J_c on magnetic field. The angular dependence of J_c has a broad peak at B||c-axis. This result indicates that the BaZrO₃ nano-rods work as the c-axis-correlated pinning centers. The pinning parameter m was evaluated from the electric fields versus current density characteristics and the peak of m appears in the magnetic field dependence. The characteristic behavior of m is caused by the matching of the density of BaZrO₃ nano-rods with that of fluxoids. It is found that the relative distribution width of the local critical current density for the ErBa₂Cu₃O_y film with BaZrO₃ nano-rods is smaller than that of the YBa₂Cu₃O_y films with BaZrO₃ nano-rods.

Original language	English
Pages (from-to)	1635-1637
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	468
Issue number	15-20
DOIs	https://doi.org/10.1016/j.physc.2008.05.155
Publication status	Published - Sept 15 2008

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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10.1016/j.physc.2008.05.155

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Fujiyoshi, T., Haruta, M., Sueyoshi, T., Yonekura, K., Watanabe, M., Mukaida, M., Teranishi, R., Matsumoto, K., Yoshida, Y., Ichinose, A., Horii, S., Awaji, S., & Watanabe, K. (2008). Flux pinning properties of REBa₂Cu₃O_y thin films with BaZrO₃ nano-rods. Physica C: Superconductivity and its applications, 468(15-20), 1635-1637. https://doi.org/10.1016/j.physc.2008.05.155

Fujiyoshi, T, Haruta, M, Sueyoshi, T, Yonekura, K, Watanabe, M, Mukaida, M, Teranishi, R, Matsumoto, K, Yoshida, Y, Ichinose, A, Horii, S, Awaji, S & Watanabe, K 2008, 'Flux pinning properties of REBa₂Cu₃O_y thin films with BaZrO₃ nano-rods', Physica C: Superconductivity and its applications, vol. 468, no. 15-20, pp. 1635-1637. https://doi.org/10.1016/j.physc.2008.05.155

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title = "Flux pinning properties of REBa2Cu3Oy thin films with BaZrO3 nano-rods",

abstract = "Flux pinning properties in ErBa2Cu3Oy and YBa2Cu3Oy thin films with BaZrO3 nano-rods prepared by PLD were measured to investigate the flux pinning mechanism. The enhancement of Jc was confirmed by the measurement of the dependence of Jc on magnetic field. The angular dependence of Jc has a broad peak at B||c-axis. This result indicates that the BaZrO3 nano-rods work as the c-axis-correlated pinning centers. The pinning parameter m was evaluated from the electric fields versus current density characteristics and the peak of m appears in the magnetic field dependence. The characteristic behavior of m is caused by the matching of the density of BaZrO3 nano-rods with that of fluxoids. It is found that the relative distribution width of the local critical current density for the ErBa2Cu3Oy film with BaZrO3 nano-rods is smaller than that of the YBa2Cu3Oy films with BaZrO3 nano-rods.",

author = "T. Fujiyoshi and M. Haruta and T. Sueyoshi and K. Yonekura and M. Watanabe and M. Mukaida and R. Teranishi and K. Matsumoto and Y. Yoshida and A. Ichinose and S. Horii and S. Awaji and K. Watanabe",

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doi = "10.1016/j.physc.2008.05.155",

language = "English",

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T1 - Flux pinning properties of REBa2Cu3Oy thin films with BaZrO3 nano-rods

AU - Fujiyoshi, T.

AU - Haruta, M.

AU - Sueyoshi, T.

AU - Yonekura, K.

AU - Watanabe, M.

AU - Mukaida, M.

AU - Teranishi, R.

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Ichinose, A.

AU - Horii, S.

AU - Awaji, S.

AU - Watanabe, K.

PY - 2008/9/15

Y1 - 2008/9/15

N2 - Flux pinning properties in ErBa2Cu3Oy and YBa2Cu3Oy thin films with BaZrO3 nano-rods prepared by PLD were measured to investigate the flux pinning mechanism. The enhancement of Jc was confirmed by the measurement of the dependence of Jc on magnetic field. The angular dependence of Jc has a broad peak at B||c-axis. This result indicates that the BaZrO3 nano-rods work as the c-axis-correlated pinning centers. The pinning parameter m was evaluated from the electric fields versus current density characteristics and the peak of m appears in the magnetic field dependence. The characteristic behavior of m is caused by the matching of the density of BaZrO3 nano-rods with that of fluxoids. It is found that the relative distribution width of the local critical current density for the ErBa2Cu3Oy film with BaZrO3 nano-rods is smaller than that of the YBa2Cu3Oy films with BaZrO3 nano-rods.

AB - Flux pinning properties in ErBa2Cu3Oy and YBa2Cu3Oy thin films with BaZrO3 nano-rods prepared by PLD were measured to investigate the flux pinning mechanism. The enhancement of Jc was confirmed by the measurement of the dependence of Jc on magnetic field. The angular dependence of Jc has a broad peak at B||c-axis. This result indicates that the BaZrO3 nano-rods work as the c-axis-correlated pinning centers. The pinning parameter m was evaluated from the electric fields versus current density characteristics and the peak of m appears in the magnetic field dependence. The characteristic behavior of m is caused by the matching of the density of BaZrO3 nano-rods with that of fluxoids. It is found that the relative distribution width of the local critical current density for the ErBa2Cu3Oy film with BaZrO3 nano-rods is smaller than that of the YBa2Cu3Oy films with BaZrO3 nano-rods.

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Flux pinning properties of REBa₂Cu₃O_y thin films with BaZrO₃ nano-rods

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