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.
| Original language | English |
|---|---|
| Pages (from-to) | 207-211 |
| Number of pages | 5 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 300 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 1998 Jan 1 |
| Externally published | Yes |
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Keywords
- (Sr,Ca)CuO particles
- Ceramics
- Pinning properties
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
Cite this
Evidence for pinning by (Sr,Ca) 2CuOy particles in partial-melting processed bulk Bi2Sr2CaCu2O8+δ ceramics. / Koblischka, Michael Rudolf; Huang, S. L.; Fossheim, K.; Johansen, T. H.; Bratsberg, H.
In: Physica C: Superconductivity and its Applications, Vol. 300, No. 3-4, 01.01.1998, p. 207-211.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Evidence for pinning by (Sr,Ca) 2CuOy particles in partial-melting processed bulk Bi2Sr2CaCu2O8+δ ceramics
AU - Koblischka, Michael Rudolf
AU - Huang, S. L.
AU - Fossheim, K.
AU - Johansen, T. H.
AU - Bratsberg, H.
PY - 1998/1/1
Y1 - 1998/1/1
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
UR - http://www.scopus.com/inward/record.url?scp=0032069158&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0032069158&partnerID=8YFLogxK
U2 - 10.1016/S0921-4534(98)00105-1
DO - 10.1016/S0921-4534(98)00105-1
M3 - Article
VL - 300
SP - 207
EP - 211
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 3-4
ER -