Material Specification for Bi:2212; [Bi-Sr-Ca-Cu-O]
Process: Solid State Reaction
Notes: "The BSCO crystals were grown in a copper-oxide-rich melt, which was cooled from 1200 to 600 °C at a rate of 2 °C/h." No additional processing details were noted.
Formula: Bi2Sr2CaCu2O8
Informal Name: Bi:2212
Chemical Family: Bi-Sr-Ca-Cu-O
Chemical Class: Oxide
Structure Type: Single Crystal
Manufacturer: In House
Commercial Name: In House
Production Date:
Lot Number:
Production Form:
Critical Current Density for Bi:2212; [Bi-Sr-Ca-Cu-O]
| Direction () |
Temperature (K) |
Critical Current Density (kA/cm2) |
| //c |
86.2 |
10.1 |
| //c |
86.2 |
11.3 |
| //c |
86.6 |
9.3 |
| //c |
86.7 |
8.4 |
| //c |
86.9 |
7.3 |
| //c |
87.1 |
5.2 |
| //c |
87.3 |
3.2 |
| //c |
87.2 |
1.4 |
| //c |
87.3 |
0.5 |
| //ab |
85.9 |
0.0149 |
| //ab |
86.2 |
0.0130 |
| //ab |
86.2 |
0.0108 |
| //ab |
86.5 |
0.0094 |
| //ab |
86.5 |
0.0101 |
| //ab |
86.7 |
0.0079 |
| //ab |
87.1 |
0.0051 |
| //ab |
87.1 |
0.0060 |
| //ab |
87.2 |
0.0052 |
| //ab |
87.4 |
0.0032 |
| //ab |
87.6 |
0.0016 |
| //ab |
87.4 |
0.0018 |
| //ab |
87.6 |
0.0004 |
Measurement Method: Four-probe method
"Au wires (25 µm diameter) were attached at six points on the crystal... using a Ag paste and Ag paint mixture which was cured by heating to 300 °C in dry O
2... Contacts on an ab face formed a quartet aligned along a and b directions and contacts on opposing faces formed a quartet along a and c. The resistances R
i, were obtained by applying currents I
i along crystal directions i (i=a,b,c) and measuring voltages V
i, across contacts parallel to i. For resistivities, data were taken with a standard ac phase-sensitive technique with 350 µA excitation current at 11.3 Hz. For critical currents, the same contact configurations were used with 5-10 µs current pulses, boxcar averaging, and repetition at 50-100 Hz. Measurements were performed in a gas-flow oven/cryostat using O
2 above 300 K and He below."
Cautions: Evaluated Data
Digitized data were obtained from Figures 2a and 2b of the paper.
