Effects of BaZrO
                        3
                         dispersion into EuBa
                        2
                        Cu
                        3
                        O
                        7-δ
                         superconducting thin films

M. Miura; Masashi Mukaida; K. Matsumoto; Y. Yoshida; A. Ichinose; S. Horii; R. Kita; A. Saito; Kenji Kaneko; K. Yamada; N. Mori

doi:10.1016/j.physc.2006.06.016

Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films

M. Miura, Masashi Mukaida, K. Matsumoto, Y. Yoshida, A. Ichinose, S. Horii, R. Kita, A. Saito, Kenji Kaneko, K. Yamada, N. Mori

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Surface resistances (R _S ) have been measured for EuBa ₂ Cu ₃ O _7-δ (EuBCO) films grown in an ozone atmosphere. We grew BaZrO ₃ dispersed EuBCO films with artificial pinning centers (APCs) in an ozone atmosphere. We have investigated the effects of BaZrO ₃ dispersion into EuBCO films. The EuBCO films were grown using a pulsed laser deposition (PLD) in an ozone atmosphere on (1 0 0) SrTiO ₃ substrates. We use a pure EuBCO target and an EuBCO + 1.0 wt% BaZrO ₃ target. By BaZrO ₃ dispersion into EuBCO films, the crystallinity of BaZrO ₃ dispersed EuBCO films was poorer than that of pure EuBCO films. BaZrO ₃ dispersion into EuBCO films did not improve their superconducting characteristics. Then we evaluated microstructure by using transmission electron microscopy (TEM). We observed nano-rods in BaZrO ₃ dispersed EuBCO films. However, we did not observe nano-rods in BaZrO ₃ dispersed EuBCO films grown in an oxygen atmosphere. The differences between an ozone and an oxygen atmosphere influence on nano-rod forming. We found that the nano-rod size is important and is strongly related to not only RE (RE: Rare Earth) ion radii but also growth conditions of films.

Original language	English
Pages (from-to)	845-848
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	445-448
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physc.2006.06.016
Publication status	Published - Oct 1 2006

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.2006.06.016

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Miura, M., Mukaida, M., Matsumoto, K., Yoshida, Y., Ichinose, A., Horii, S., Kita, R., Saito, A., Kaneko, K., Yamada, K., & Mori, N. (2006). Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films Physica C: Superconductivity and its applications, 445-448(1-2), 845-848. https://doi.org/10.1016/j.physc.2006.06.016

Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films . / Miura, M.; Mukaida, Masashi; Matsumoto, K. et al.

In: Physica C: Superconductivity and its applications, Vol. 445-448, No. 1-2, 01.10.2006, p. 845-848.

Research output: Contribution to journal › Article › peer-review

Miura, M, Mukaida, M, Matsumoto, K, Yoshida, Y, Ichinose, A, Horii, S, Kita, R, Saito, A, Kaneko, K, Yamada, K & Mori, N 2006, ' Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films ', Physica C: Superconductivity and its applications, vol. 445-448, no. 1-2, pp. 845-848. https://doi.org/10.1016/j.physc.2006.06.016

Miura M, Mukaida M, Matsumoto K, Yoshida Y, Ichinose A, Horii S et al. Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films Physica C: Superconductivity and its applications. 2006 Oct 1;445-448(1-2):845-848. doi: 10.1016/j.physc.2006.06.016

Miura, M. ; Mukaida, Masashi ; Matsumoto, K. et al. / Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films In: Physica C: Superconductivity and its applications. 2006 ; Vol. 445-448, No. 1-2. pp. 845-848.

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title = " Effects of BaZrO 3 dispersion into EuBa 2 Cu 3 O 7-δ superconducting thin films ",

abstract = " Surface resistances (R S ) have been measured for EuBa 2 Cu 3 O 7-δ (EuBCO) films grown in an ozone atmosphere. We grew BaZrO 3 dispersed EuBCO films with artificial pinning centers (APCs) in an ozone atmosphere. We have investigated the effects of BaZrO 3 dispersion into EuBCO films. The EuBCO films were grown using a pulsed laser deposition (PLD) in an ozone atmosphere on (1 0 0) SrTiO 3 substrates. We use a pure EuBCO target and an EuBCO + 1.0 wt% BaZrO 3 target. By BaZrO 3 dispersion into EuBCO films, the crystallinity of BaZrO 3 dispersed EuBCO films was poorer than that of pure EuBCO films. BaZrO 3 dispersion into EuBCO films did not improve their superconducting characteristics. Then we evaluated microstructure by using transmission electron microscopy (TEM). We observed nano-rods in BaZrO 3 dispersed EuBCO films. However, we did not observe nano-rods in BaZrO 3 dispersed EuBCO films grown in an oxygen atmosphere. The differences between an ozone and an oxygen atmosphere influence on nano-rod forming. We found that the nano-rod size is important and is strongly related to not only RE (RE: Rare Earth) ion radii but also growth conditions of films.",

author = "M. Miura and Masashi Mukaida and K. Matsumoto and Y. Yoshida and A. Ichinose and S. Horii and R. Kita and A. Saito and Kenji Kaneko and K. Yamada and N. Mori",

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AU - Miura, M.

AU - Mukaida, Masashi

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Ichinose, A.

AU - Horii, S.

AU - Kita, R.

AU - Saito, A.

AU - Kaneko, Kenji

AU - Yamada, K.

AU - Mori, N.

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N2 - Surface resistances (R S ) have been measured for EuBa 2 Cu 3 O 7-δ (EuBCO) films grown in an ozone atmosphere. We grew BaZrO 3 dispersed EuBCO films with artificial pinning centers (APCs) in an ozone atmosphere. We have investigated the effects of BaZrO 3 dispersion into EuBCO films. The EuBCO films were grown using a pulsed laser deposition (PLD) in an ozone atmosphere on (1 0 0) SrTiO 3 substrates. We use a pure EuBCO target and an EuBCO + 1.0 wt% BaZrO 3 target. By BaZrO 3 dispersion into EuBCO films, the crystallinity of BaZrO 3 dispersed EuBCO films was poorer than that of pure EuBCO films. BaZrO 3 dispersion into EuBCO films did not improve their superconducting characteristics. Then we evaluated microstructure by using transmission electron microscopy (TEM). We observed nano-rods in BaZrO 3 dispersed EuBCO films. However, we did not observe nano-rods in BaZrO 3 dispersed EuBCO films grown in an oxygen atmosphere. The differences between an ozone and an oxygen atmosphere influence on nano-rod forming. We found that the nano-rod size is important and is strongly related to not only RE (RE: Rare Earth) ion radii but also growth conditions of films.

AB - Surface resistances (R S ) have been measured for EuBa 2 Cu 3 O 7-δ (EuBCO) films grown in an ozone atmosphere. We grew BaZrO 3 dispersed EuBCO films with artificial pinning centers (APCs) in an ozone atmosphere. We have investigated the effects of BaZrO 3 dispersion into EuBCO films. The EuBCO films were grown using a pulsed laser deposition (PLD) in an ozone atmosphere on (1 0 0) SrTiO 3 substrates. We use a pure EuBCO target and an EuBCO + 1.0 wt% BaZrO 3 target. By BaZrO 3 dispersion into EuBCO films, the crystallinity of BaZrO 3 dispersed EuBCO films was poorer than that of pure EuBCO films. BaZrO 3 dispersion into EuBCO films did not improve their superconducting characteristics. Then we evaluated microstructure by using transmission electron microscopy (TEM). We observed nano-rods in BaZrO 3 dispersed EuBCO films. However, we did not observe nano-rods in BaZrO 3 dispersed EuBCO films grown in an oxygen atmosphere. The differences between an ozone and an oxygen atmosphere influence on nano-rod forming. We found that the nano-rod size is important and is strongly related to not only RE (RE: Rare Earth) ion radii but also growth conditions of films.

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Effects of BaZrO ₃ dispersion into EuBa ₂ Cu ₃ O _7-δ superconducting thin films

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