Nanostripes in SmBa2Cu3O7-δ single crystals: Origin and peak effect

A. Hu; X. Yao; M. Winter; H. Zhou; N. Sakai; M. R. Koblischka; M. Murakami; I. Hirabayashi

doi:10.1016/j.physc.2005.02.055

Nanostripes in SmBa₂Cu₃O_7-δ single crystals: Origin and peak effect

A. Hu, X. Yao, M. Winter, H. Zhou, N. Sakai, M. R. Koblischka, M. Murakami, I. Hirabayashi

研究成果: Conference article › 査読

5 被引用数 (Scopus)

抄録

Nanoscopic surface stripes were observed in high quality SmBa ₂Cu₃O_7-δ single crystals grown by a top-seeded pulling growth and their roles on the peak effect and enhanced flux pinning were investigated with a SQUID magnetometer. The crystal surface exhibited an ordered modulation with a roughness of 1-2 nm and a wavelength of about 50 nm. The study evidenced that such a periodic array is not dependent on surface processing. The analysis further unveiled that nanoscaled stripes may act as a kind of δT_c-style pinning defects which contribute to an enhanced peak effect.

本文言語	English
ページ（範囲）	441-445
ページ数	5
ジャーナル	Physica C: Superconductivity and its applications
巻	426-431
号	I
DOI	https://doi.org/10.1016/j.physc.2005.02.055
出版ステータス	Published - 2005 10月 1
イベント	Proceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity - 継続期間: 2004 11月 23 → 2004 11月 25

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
エネルギー工学および電力技術
電子工学および電気工学

文献へのアクセス

10.1016/j.physc.2005.02.055

他のファイルとリンク

引用スタイル

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title = "Nanostripes in SmBa2Cu3O7-δ single crystals: Origin and peak effect",

abstract = "Nanoscopic surface stripes were observed in high quality SmBa 2Cu3O7-δ single crystals grown by a top-seeded pulling growth and their roles on the peak effect and enhanced flux pinning were investigated with a SQUID magnetometer. The crystal surface exhibited an ordered modulation with a roughness of 1-2 nm and a wavelength of about 50 nm. The study evidenced that such a periodic array is not dependent on surface processing. The analysis further unveiled that nanoscaled stripes may act as a kind of δTc-style pinning defects which contribute to an enhanced peak effect.",

keywords = "Flux pinning, Nanoscaled defects, Peak effect, Surface stripes",

author = "A. Hu and X. Yao and M. Winter and H. Zhou and N. Sakai and Koblischka, {M. R.} and M. Murakami and I. Hirabayashi",

note = "Funding Information: This work was partially supported by Japanese Society for the Promotion of Science (JSPS) and New Energy Development Organization (NEDO). X. Yao would like to thank NSFC (No. 50272038), 863 project program (No. 2002AA306261) and Education Ministry of China (grants No. 20030248010 and K0293003) for financial support.; Proceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity ; Conference date: 23-11-2004 Through 25-11-2004",

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TY - JOUR

T1 - Nanostripes in SmBa2Cu3O7-δ single crystals

T2 - Proceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity

AU - Hu, A.

AU - Yao, X.

AU - Winter, M.

AU - Zhou, H.

AU - Sakai, N.

AU - Koblischka, M. R.

AU - Murakami, M.

AU - Hirabayashi, I.

N1 - Funding Information: This work was partially supported by Japanese Society for the Promotion of Science (JSPS) and New Energy Development Organization (NEDO). X. Yao would like to thank NSFC (No. 50272038), 863 project program (No. 2002AA306261) and Education Ministry of China (grants No. 20030248010 and K0293003) for financial support.

PY - 2005/10/1

Y1 - 2005/10/1

N2 - Nanoscopic surface stripes were observed in high quality SmBa 2Cu3O7-δ single crystals grown by a top-seeded pulling growth and their roles on the peak effect and enhanced flux pinning were investigated with a SQUID magnetometer. The crystal surface exhibited an ordered modulation with a roughness of 1-2 nm and a wavelength of about 50 nm. The study evidenced that such a periodic array is not dependent on surface processing. The analysis further unveiled that nanoscaled stripes may act as a kind of δTc-style pinning defects which contribute to an enhanced peak effect.

AB - Nanoscopic surface stripes were observed in high quality SmBa 2Cu3O7-δ single crystals grown by a top-seeded pulling growth and their roles on the peak effect and enhanced flux pinning were investigated with a SQUID magnetometer. The crystal surface exhibited an ordered modulation with a roughness of 1-2 nm and a wavelength of about 50 nm. The study evidenced that such a periodic array is not dependent on surface processing. The analysis further unveiled that nanoscaled stripes may act as a kind of δTc-style pinning defects which contribute to an enhanced peak effect.

KW - Flux pinning

KW - Nanoscaled defects

KW - Peak effect

KW - Surface stripes

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