Evidence for pinning by (Sr,Ca) 2CuOy particles in partial-melting processed bulk Bi2Sr2CaCu2O8+δ ceramics

M. R. Koblischka; S. L. Huang; K. Fossheim; T. H. Johansen; H. Bratsberg

doi:10.1016/S0921-4534(98)00105-1

Evidence for pinning by (Sr,Ca) ₂CuO_y particles in partial-melting processed bulk Bi₂Sr₂CaCu₂O_8+δ ceramics

M. R. Koblischka, S. L. Huang, K. Fossheim, T. H. Johansen, H. Bratsberg

研究成果: Article › 査読

14 被引用数 (Scopus)

抄録

Flux distributions of partial-melting processed Bi₂Sr₂CaCu₂O_8+δ ceramics are obtained using magneto-optic imaging. In remanent states (μ₀H_a = 0 T), large amounts of trapped flux are observed along (Sr,Ca)₂CuO_y particles embedded in the Bi₂Sr₂CaCu₂O_8+δ matrix. Despite the relatively large size of these particles (up to 30 μm), the pinning effect is similar to that of Y₂BaCuO₅ particles in melt-processed YBa₂Cu₃O_7-δ. Furthermore, we discuss how the pinning capability of non-superconducting particles of different sizes and densities will show up in magneto-optic images.

本文言語	English
ページ（範囲）	207-211
ページ数	5
ジャーナル	Physica C: Superconductivity and its applications
巻	300
号	3-4
DOI	https://doi.org/10.1016/S0921-4534(98)00105-1
出版ステータス	Published - 1998
外部発表	はい

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/S0921-4534(98)00105-1

他のファイルとリンク

引用スタイル

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title = "Evidence for pinning by (Sr,Ca) 2CuOy particles in partial-melting processed bulk Bi2Sr2CaCu2O8+δ ceramics",

abstract = "Flux distributions of partial-melting processed Bi2Sr2CaCu2O8+δ ceramics are obtained using magneto-optic imaging. In remanent states (μ0Ha = 0 T), large amounts of trapped flux are observed along (Sr,Ca)2CuOy particles embedded in the Bi2Sr2CaCu2O8+δ matrix. Despite the relatively large size of these particles (up to 30 μm), the pinning effect is similar to that of Y2BaCuO5 particles in melt-processed YBa2Cu3O7-δ. Furthermore, we discuss how the pinning capability of non-superconducting particles of different sizes and densities will show up in magneto-optic images.",

keywords = "(Sr,Ca)CuO particles, Ceramics, Pinning properties",

author = "Koblischka, {M. R.} and Huang, {S. L.} and K. Fossheim and Johansen, {T. H.} and H. Bratsberg",

note = "Funding Information: We would like to thank S. J{\o}rgensen for the SEM investigations. This work is financially supported by The Research Council of Norway.",

year = "1998",

doi = "10.1016/S0921-4534(98)00105-1",

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pages = "207--211",

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TY - JOUR

T1 - Evidence for pinning by (Sr,Ca) 2CuOy particles in partial-melting processed bulk Bi2Sr2CaCu2O8+δ ceramics

AU - Koblischka, M. R.

AU - Huang, S. L.

AU - Fossheim, K.

AU - Johansen, T. H.

AU - Bratsberg, H.

N1 - Funding Information: We would like to thank S. Jørgensen for the SEM investigations. This work is financially supported by The Research Council of Norway.

PY - 1998

Y1 - 1998

N2 - Flux distributions of partial-melting processed Bi2Sr2CaCu2O8+δ ceramics are obtained using magneto-optic imaging. In remanent states (μ0Ha = 0 T), large amounts of trapped flux are observed along (Sr,Ca)2CuOy particles embedded in the Bi2Sr2CaCu2O8+δ matrix. Despite the relatively large size of these particles (up to 30 μm), the pinning effect is similar to that of Y2BaCuO5 particles in melt-processed YBa2Cu3O7-δ. Furthermore, we discuss how the pinning capability of non-superconducting particles of different sizes and densities will show up in magneto-optic images.

AB - Flux distributions of partial-melting processed Bi2Sr2CaCu2O8+δ ceramics are obtained using magneto-optic imaging. In remanent states (μ0Ha = 0 T), large amounts of trapped flux are observed along (Sr,Ca)2CuOy particles embedded in the Bi2Sr2CaCu2O8+δ matrix. Despite the relatively large size of these particles (up to 30 μm), the pinning effect is similar to that of Y2BaCuO5 particles in melt-processed YBa2Cu3O7-δ. Furthermore, we discuss how the pinning capability of non-superconducting particles of different sizes and densities will show up in magneto-optic images.

KW - (Sr,Ca)CuO particles

KW - Ceramics

KW - Pinning properties

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