High-performance irreversibility field and flux pinning force density in BaHfO3-doped GdBa2Cu3Oy tape prepared by pulsed laser deposition

Satoshi Awaji; Yutaka Yoshida; Takumi Suzuki; Kazuo Watanabe; Kazuyoshi Hikawa; Yusuke Ichino; Teruo Izumi

doi:10.7567/APEX.8.023101

High-performance irreversibility field and flux pinning force density in BaHfO₃-doped GdBa₂Cu₃O_y tape prepared by pulsed laser deposition

Satoshi Awaji, Yutaka Yoshida, Takumi Suzuki, Kazuo Watanabe, Kazuyoshi Hikawa, Yusuke Ichino, Teruo Izumi

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

42 Citations (Scopus)

Abstract

The high irreversibility field B_i and strong flux pinning force were obtained for BaHfO₃-doped GdBa₂Cu₃O_y tapes on a metallic Hastelloy substrate with an ion beam-assisted deposition MgO buffer layer. At 77.3 K, B_i of 15.8 T and the maximum flux pinning force density of 23.5GN/m³ for B || c were achieved for the 1.5 vol% BaHfO₃-doped GdBa₂Cu₃ O_y tape, which are the world's highest recorded values for REBa₂Cu₃O_y-coated conductors on metallic substrates (RE = rare earth). From the flux pinning analysis, the c-axis correlated pinning by well-aligned BaHfO₃ nanorods plays an important role in achieving the high irreversibility field and flux pinning force density performance.

Original language	English
Pages (from-to)	23101
Number of pages	1
Journal	Applied Physics Express
Volume	8
Issue number	2
DOIs	https://doi.org/10.7567/APEX.8.023101
Publication status	Published - Feb 1 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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10.7567/APEX.8.023101

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title = "High-performance irreversibility field and flux pinning force density in BaHfO3-doped GdBa2Cu3Oy tape prepared by pulsed laser deposition",

abstract = "The high irreversibility field Bi and strong flux pinning force were obtained for BaHfO3-doped GdBa2Cu3Oy tapes on a metallic Hastelloy substrate with an ion beam-assisted deposition MgO buffer layer. At 77.3 K, Bi of 15.8 T and the maximum flux pinning force density of 23.5GN/m3 for B || c were achieved for the 1.5 vol% BaHfO3-doped GdBa2Cu3 Oy tape, which are the world's highest recorded values for REBa2Cu3Oy-coated conductors on metallic substrates (RE = rare earth). From the flux pinning analysis, the c-axis correlated pinning by well-aligned BaHfO3 nanorods plays an important role in achieving the high irreversibility field and flux pinning force density performance.",

author = "Satoshi Awaji and Yutaka Yoshida and Takumi Suzuki and Kazuo Watanabe and Kazuyoshi Hikawa and Yusuke Ichino and Teruo Izumi",

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T1 - High-performance irreversibility field and flux pinning force density in BaHfO3-doped GdBa2Cu3Oy tape prepared by pulsed laser deposition

AU - Awaji, Satoshi

AU - Yoshida, Yutaka

AU - Suzuki, Takumi

AU - Watanabe, Kazuo

AU - Hikawa, Kazuyoshi

AU - Ichino, Yusuke

AU - Izumi, Teruo

PY - 2015/2/1

Y1 - 2015/2/1

N2 - The high irreversibility field Bi and strong flux pinning force were obtained for BaHfO3-doped GdBa2Cu3Oy tapes on a metallic Hastelloy substrate with an ion beam-assisted deposition MgO buffer layer. At 77.3 K, Bi of 15.8 T and the maximum flux pinning force density of 23.5GN/m3 for B || c were achieved for the 1.5 vol% BaHfO3-doped GdBa2Cu3 Oy tape, which are the world's highest recorded values for REBa2Cu3Oy-coated conductors on metallic substrates (RE = rare earth). From the flux pinning analysis, the c-axis correlated pinning by well-aligned BaHfO3 nanorods plays an important role in achieving the high irreversibility field and flux pinning force density performance.

AB - The high irreversibility field Bi and strong flux pinning force were obtained for BaHfO3-doped GdBa2Cu3Oy tapes on a metallic Hastelloy substrate with an ion beam-assisted deposition MgO buffer layer. At 77.3 K, Bi of 15.8 T and the maximum flux pinning force density of 23.5GN/m3 for B || c were achieved for the 1.5 vol% BaHfO3-doped GdBa2Cu3 Oy tape, which are the world's highest recorded values for REBa2Cu3Oy-coated conductors on metallic substrates (RE = rare earth). From the flux pinning analysis, the c-axis correlated pinning by well-aligned BaHfO3 nanorods plays an important role in achieving the high irreversibility field and flux pinning force density performance.

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High-performance irreversibility field and flux pinning force density in BaHfO₃-doped GdBa₂Cu₃O_y tape prepared by pulsed laser deposition

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