Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa2Cu3O7-δ film with BaNb2O6

H. Kai; Masashi Mukaida; Ryo Teranishi; N. Mori; K. Yamada; S. Horii; A. Ichinose; R. Kita; K. Matsumoto; Y. Yoshida; S. Awaji; K. Watanabe; M. Namba; T. Fujiyoshi

doi:10.1016/j.physc.2008.05.100

Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa₂Cu₃O_7-δ film with BaNb₂O₆

H. Kai, Masashi Mukaida, Ryo Teranishi, N. Mori, K. Yamada, S. Horii, A. Ichinose, R. Kita, K. Matsumoto, Y. Yoshida, S. Awaji, K. Watanabe, M. Namba, T. Fujiyoshi

Advanced Materials Physics

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

14 Citations (Scopus)

Abstract

We report effects of growth temperature on superconducting properties and microstructure of ErBa₂Cu₃O_7-δ (ErBCO) films with BaNb₂O₆ (BNO)-doping grown by pulse laser deposition (PLD) on SrTiO₃ (STO) substrates. The BNO was introduced into the ErBCO films as artificial pinning centers. X-ray diffraction analysis indicated the high orientation of both c-axis and in-plane for the obtained BNO-doped ErBCO (BNO + ErBCO) films. Ba(Er_0.5Nb_0.5)O₃ (BENO) nanorods were observed clearly in transmission electron microscopy (TEM) images of the BNO + ErBCO films. The BENO nanorod was thinner with decreasing the growth temperature. The BNO + ErBCO films showed higher critical current density (J_C) than that of a pure ErBCO film in a magnetic field (H) in H∥c-axis, indicating that BENO nanorods played as c-axis correlated pinning centers. Furthermore, we found a tendency that J_C of the BNO + ErBCO films were enhanced with decreasing the growth temperature. Consequently, the pinning effect of the introduced BENO was controlled by the optimization of growth condition such as growth temperature.

Original language	English
Pages (from-to)	1854-1857
Number of pages	4
Journal	Physica C: Superconductivity and its Applications
Volume	468
Issue number	15-20
DOIs	https://doi.org/10.1016/j.physc.2008.05.100
Publication status	Published - Sep 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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Kai, H., Mukaida, M., Teranishi, R., Mori, N., Yamada, K., Horii, S., Ichinose, A., Kita, R., Matsumoto, K., Yoshida, Y., Awaji, S., Watanabe, K., Namba, M., & Fujiyoshi, T. (2008). Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa₂Cu₃O_7-δ film with BaNb₂O₆. Physica C: Superconductivity and its Applications, 468(15-20), 1854-1857. https://doi.org/10.1016/j.physc.2008.05.100

Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa₂Cu₃O_7-δ film with BaNb₂O₆. / Kai, H.; Mukaida, Masashi ; Teranishi, Ryo; Mori, N.; Yamada, K.; Horii, S.; Ichinose, A.; Kita, R.; Matsumoto, K.; Yoshida, Y.; Awaji, S.; Watanabe, K.; Namba, M.; Fujiyoshi, T.

In: Physica C: Superconductivity and its Applications, Vol. 468, No. 15-20, 15.09.2008, p. 1854-1857.

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

Kai, H, Mukaida, M , Teranishi, R, Mori, N, Yamada, K, Horii, S, Ichinose, A, Kita, R, Matsumoto, K, Yoshida, Y, Awaji, S, Watanabe, K, Namba, M & Fujiyoshi, T 2008, 'Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa₂Cu₃O_7-δ film with BaNb₂O₆', Physica C: Superconductivity and its Applications, vol. 468, no. 15-20, pp. 1854-1857. https://doi.org/10.1016/j.physc.2008.05.100

Kai, H. ; Mukaida, Masashi ; Teranishi, Ryo ; Mori, N. ; Yamada, K. ; Horii, S. ; Ichinose, A. ; Kita, R. ; Matsumoto, K. ; Yoshida, Y. ; Awaji, S. ; Watanabe, K. ; Namba, M. ; Fujiyoshi, T. / Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa₂Cu₃O_7-δ film with BaNb₂O₆. In: Physica C: Superconductivity and its Applications. 2008 ; Vol. 468, No. 15-20. pp. 1854-1857.

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title = "Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa2Cu3O7-δ film with BaNb2O6",

abstract = "We report effects of growth temperature on superconducting properties and microstructure of ErBa2Cu3O7-δ (ErBCO) films with BaNb2O6 (BNO)-doping grown by pulse laser deposition (PLD) on SrTiO3 (STO) substrates. The BNO was introduced into the ErBCO films as artificial pinning centers. X-ray diffraction analysis indicated the high orientation of both c-axis and in-plane for the obtained BNO-doped ErBCO (BNO + ErBCO) films. Ba(Er0.5Nb0.5)O3 (BENO) nanorods were observed clearly in transmission electron microscopy (TEM) images of the BNO + ErBCO films. The BENO nanorod was thinner with decreasing the growth temperature. The BNO + ErBCO films showed higher critical current density (JC) than that of a pure ErBCO film in a magnetic field (H) in H∥c-axis, indicating that BENO nanorods played as c-axis correlated pinning centers. Furthermore, we found a tendency that JC of the BNO + ErBCO films were enhanced with decreasing the growth temperature. Consequently, the pinning effect of the introduced BENO was controlled by the optimization of growth condition such as growth temperature.",

author = "H. Kai and Masashi Mukaida and Ryo Teranishi and N. Mori and K. Yamada and S. Horii and A. Ichinose and R. Kita and K. Matsumoto and Y. Yoshida and S. Awaji and K. Watanabe and M. Namba and T. Fujiyoshi",

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T1 - Effects of growth temperature for superconducting properties and microstructures of PLD-ErBa2Cu3O7-δ film with BaNb2O6

AU - Kai, H.

AU - Mukaida, Masashi

AU - Teranishi, Ryo

AU - Mori, N.

AU - Yamada, K.

AU - Horii, S.

AU - Ichinose, A.

AU - Kita, R.

AU - Matsumoto, K.

AU - Yoshida, Y.

AU - Awaji, S.

AU - Watanabe, K.

AU - Namba, M.

AU - Fujiyoshi, T.

PY - 2008/9/15

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AB - We report effects of growth temperature on superconducting properties and microstructure of ErBa2Cu3O7-δ (ErBCO) films with BaNb2O6 (BNO)-doping grown by pulse laser deposition (PLD) on SrTiO3 (STO) substrates. The BNO was introduced into the ErBCO films as artificial pinning centers. X-ray diffraction analysis indicated the high orientation of both c-axis and in-plane for the obtained BNO-doped ErBCO (BNO + ErBCO) films. Ba(Er0.5Nb0.5)O3 (BENO) nanorods were observed clearly in transmission electron microscopy (TEM) images of the BNO + ErBCO films. The BENO nanorod was thinner with decreasing the growth temperature. The BNO + ErBCO films showed higher critical current density (JC) than that of a pure ErBCO film in a magnetic field (H) in H∥c-axis, indicating that BENO nanorods played as c-axis correlated pinning centers. Furthermore, we found a tendency that JC of the BNO + ErBCO films were enhanced with decreasing the growth temperature. Consequently, the pinning effect of the introduced BENO was controlled by the optimization of growth condition such as growth temperature.

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