Microstructure of ErBa2Cu3O7-δ films with BaZrO3 dispersion pinning centers for high JC applications

M. Ito; M. Mukaida; T. Ohazama; R. Kita; A. Ichinose; S. Horii; A. Saito; K. Matsumoto; Y. Yoshida; K. Koike; F. Hirose; S. Ohshima

doi:10.1016/j.physc.2005.02.109

Microstructure of ErBa₂Cu₃O_7-δ films with BaZrO₃ dispersion pinning centers for high J_C applications

M. Ito, M. Mukaida, T. Ohazama, R. Kita, A. Ichinose, S. Horii, A. Saito, K. Matsumoto, Y. Yoshida, K. Koike, F. Hirose, S. Ohshima

Research output: Contribution to journal › Conference article

11 Citations (Scopus)

Abstract

ErBa₂Cu₃O_7-δ thin films with BaZrO₃ dispersion pinning centers for high J_C applications were grown using ErBa₂Cu₃O_7-δ targets with various BaZrO₃ contents. The J_C improvement at high applied magnetic fields was observed for the ErBa₂Cu ₃O_7-δ films with BaZrO₃ dispersion pinning centers. From the cross-sectional transmission electron microscope images of the ErBa₂Cu₃O_7-δ films with BaZrO₃ dispersion pinning centers, we believe that the BaZrO ₃ nano-particles in ErBa₂Cu₃O _7-δ films play a role of pinning centers. Increase of the amount of BaZrO₃ nano-particles in ErBa₂Cu ₃O_7-δ films induced drastic reduction of the surface resistance (R_S). This result suggests that the ErBa ₂Cu₃O_7-δ films with BaZrO₃ nano-particles can be applied to high power microwave emitting devices.

Original language	English
Pages (from-to)	1415-1418
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	426-431
Issue number	II
DOIs	https://doi.org/10.1016/j.physc.2005.02.109
Publication status	Published - Oct 7 2005
Externally published	Yes
Event	Proceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity - Duration: Nov 23 2004 → Nov 25 2004

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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

Ito, M., Mukaida, M., Ohazama, T., Kita, R., Ichinose, A., Horii, S., ... Ohshima, S. (2005). Microstructure of ErBa₂Cu₃O_7-δ films with BaZrO₃ dispersion pinning centers for high J_C applications. Physica C: Superconductivity and its applications, 426-431(II), 1415-1418. https://doi.org/10.1016/j.physc.2005.02.109

Microstructure of ErBa₂Cu₃O_7-δ films with BaZrO₃ dispersion pinning centers for high J_C applications. / Ito, M.; Mukaida, M.; Ohazama, T.; Kita, R.; Ichinose, A.; Horii, S.; Saito, A.; Matsumoto, K.; Yoshida, Y.; Koike, K.; Hirose, F.; Ohshima, S.

In: Physica C: Superconductivity and its applications, Vol. 426-431, No. II, 07.10.2005, p. 1415-1418.

Research output: Contribution to journal › Conference article

Ito, M, Mukaida, M, Ohazama, T, Kita, R, Ichinose, A, Horii, S, Saito, A, Matsumoto, K, Yoshida, Y, Koike, K, Hirose, F & Ohshima, S 2005, 'Microstructure of ErBa₂Cu₃O_7-δ films with BaZrO₃ dispersion pinning centers for high J_C applications', Physica C: Superconductivity and its applications, vol. 426-431, no. II, pp. 1415-1418. https://doi.org/10.1016/j.physc.2005.02.109

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abstract = "ErBa2Cu3O7-δ thin films with BaZrO3 dispersion pinning centers for high JC applications were grown using ErBa2Cu3O7-δ targets with various BaZrO3 contents. The JC improvement at high applied magnetic fields was observed for the ErBa2Cu 3O7-δ films with BaZrO3 dispersion pinning centers. From the cross-sectional transmission electron microscope images of the ErBa2Cu3O7-δ films with BaZrO3 dispersion pinning centers, we believe that the BaZrO 3 nano-particles in ErBa2Cu3O 7-δ films play a role of pinning centers. Increase of the amount of BaZrO3 nano-particles in ErBa2Cu 3O7-δ films induced drastic reduction of the surface resistance (RS). This result suggests that the ErBa 2Cu3O7-δ films with BaZrO3 nano-particles can be applied to high power microwave emitting devices.",

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AU - Horii, S.

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AU - Hirose, F.

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AB - ErBa2Cu3O7-δ thin films with BaZrO3 dispersion pinning centers for high JC applications were grown using ErBa2Cu3O7-δ targets with various BaZrO3 contents. The JC improvement at high applied magnetic fields was observed for the ErBa2Cu 3O7-δ films with BaZrO3 dispersion pinning centers. From the cross-sectional transmission electron microscope images of the ErBa2Cu3O7-δ films with BaZrO3 dispersion pinning centers, we believe that the BaZrO 3 nano-particles in ErBa2Cu3O 7-δ films play a role of pinning centers. Increase of the amount of BaZrO3 nano-particles in ErBa2Cu 3O7-δ films induced drastic reduction of the surface resistance (RS). This result suggests that the ErBa 2Cu3O7-δ films with BaZrO3 nano-particles can be applied to high power microwave emitting devices.

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10.1016/j.physc.2005.02.109