Effect of Zr addition and magnetic field process on the J c property of CVD-HoBa 2Cu 3O 7-x films

Xianping Zhang; Satoshi Awaji; Ryousuke Ishihara; Masafumi Namba; Gen Nishijima; Shun Ito; Eiji Aoyagi; Yanwei Ma; Kazuo Watanabe

doi:10.1016/j.jallcom.2012.02.154

Effect of Zr addition and magnetic field process on the J _c property of CVD-HoBa ₂Cu ₃O _7-x films

Xianping Zhang, Satoshi Awaji, Ryousuke Ishihara, Masafumi Namba, Gen Nishijima, Shun Ito, Eiji Aoyagi, Yanwei Ma, Kazuo Watanabe

金属材料研究所・附属強磁場超伝導材料研究センター

研究成果: Article › 査読

1 被引用数 (Scopus)

抄録

Effects of Zr addition and magnetic field process on the superconducting property of HoBa ₂Cu ₃O _7-x films fabricated by a chemical vapor deposition technique in magnetic fields have been investigated. It is found that Zr additions lead to improvement of the critical current density J _c in-field, while a further J _c enhancement along the c-axis of the HoBa ₂Cu ₃O _7-x films is obtained in magnetic field processed samples. The nano-particles and nano-rods induced by the Zr addition are thought to account for the in-field J _c improvement. In addition, it seems that there are more columnar defects in the samples deposited under magnetic field than the normal samples, which in turn enhance the pinning ability along the c-axis.

本文言語	English
ページ（範囲）	188-192
ページ数	5
ジャーナル	Journal of Alloys and Compounds
巻	527
DOI	https://doi.org/10.1016/j.jallcom.2012.02.154
出版ステータス	Published - 2012 6 25

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.jallcom.2012.02.154

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引用スタイル

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title = "Effect of Zr addition and magnetic field process on the J c property of CVD-HoBa 2Cu 3O 7-x films",

abstract = "Effects of Zr addition and magnetic field process on the superconducting property of HoBa 2Cu 3O 7-x films fabricated by a chemical vapor deposition technique in magnetic fields have been investigated. It is found that Zr additions lead to improvement of the critical current density J c in-field, while a further J c enhancement along the c-axis of the HoBa 2Cu 3O 7-x films is obtained in magnetic field processed samples. The nano-particles and nano-rods induced by the Zr addition are thought to account for the in-field J c improvement. In addition, it seems that there are more columnar defects in the samples deposited under magnetic field than the normal samples, which in turn enhance the pinning ability along the c-axis.",

keywords = "Artificial pinning centers, Magnetic field, Nano-structures",

author = "Xianping Zhang and Satoshi Awaji and Ryousuke Ishihara and Masafumi Namba and Gen Nishijima and Shun Ito and Eiji Aoyagi and Yanwei Ma and Kazuo Watanabe",

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AU - Zhang, Xianping

AU - Awaji, Satoshi

AU - Ishihara, Ryousuke

AU - Namba, Masafumi

AU - Nishijima, Gen

AU - Ito, Shun

AU - Aoyagi, Eiji

AU - Ma, Yanwei

AU - Watanabe, Kazuo

PY - 2012/6/25

Y1 - 2012/6/25

N2 - Effects of Zr addition and magnetic field process on the superconducting property of HoBa 2Cu 3O 7-x films fabricated by a chemical vapor deposition technique in magnetic fields have been investigated. It is found that Zr additions lead to improvement of the critical current density J c in-field, while a further J c enhancement along the c-axis of the HoBa 2Cu 3O 7-x films is obtained in magnetic field processed samples. The nano-particles and nano-rods induced by the Zr addition are thought to account for the in-field J c improvement. In addition, it seems that there are more columnar defects in the samples deposited under magnetic field than the normal samples, which in turn enhance the pinning ability along the c-axis.

AB - Effects of Zr addition and magnetic field process on the superconducting property of HoBa 2Cu 3O 7-x films fabricated by a chemical vapor deposition technique in magnetic fields have been investigated. It is found that Zr additions lead to improvement of the critical current density J c in-field, while a further J c enhancement along the c-axis of the HoBa 2Cu 3O 7-x films is obtained in magnetic field processed samples. The nano-particles and nano-rods induced by the Zr addition are thought to account for the in-field J c improvement. In addition, it seems that there are more columnar defects in the samples deposited under magnetic field than the normal samples, which in turn enhance the pinning ability along the c-axis.

KW - Artificial pinning centers

KW - Magnetic field

KW - Nano-structures

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