TY - JOUR
T1 - Methods of introducing lead into bismuth-2223 and their effects on phase development and superconducting properties
AU - Dorris, S. E.
AU - Prorok, B. C.
AU - Lanagan, M. T.
AU - Browning, N. B.
AU - Hagen, M. R.
AU - Parrell, J. A.
AU - Feng, Y.
AU - Umezawa, A.
AU - Larbalestier, D. C.
N1 - Funding Information:
tory was supported by the US Department of Energy, Energy Efficiency and Renewable Energy, as part of a program to develop electric power technology, under Contract W-31-109-Eng-38. The University of Wisconsin work was supported by the Electric Power Research Institute (Contract RP-8009-05) and the Advanced Research Projects Agency (Contract N00014-90-J-4115 ).
Funding Information:
Work supported by the US Department of Energy, EnergyE f-ficiency and Renewable Energy, as part of a program to develop electric power technology,u nder Contract W-3 l-109-Eng-38. 2 Work supported by Electric Power Research Institute (Contract RP 8009-05) and Advanced Research Projects Agency (Contract N00014-90-J-4115).
PY - 1994/4/1
Y1 - 1994/4/1
N2 - The specific method of introducing lead significantly influences the phase development and superconducting properties of Pb-doped Bi2Sr2Ca2Cu3Ox (BSCCO-2223) Ag-sheathed powder-in-tube tapes. This is demonstrated in a study of tapes made from a series of powder mixtures containing the phases Bi1.8PbzSr2.0Ca1.0Cu2.0 O8 (2212), Ca2PbO4, Ca2CuO3, and CuO, where the lead content of 2212, z, was varied from 0.0 to 0.4. The overall composition of each mixture was the same, (Bi1.8Pb0.4Sr2.0Ca2.0Cu 3.0O10), and the amounts of each phase were varied to compensate for changes in z. In an additional mixture made from lead-free 2212, Ca2CuO3, and CuO, all lead was added as PbO. A significantly more complete 2223 formation, sharper transition temperatures, and higher critical current densities were seen when all lead was incorporated in the 2212 phase, rather than being added as either PbO or Ca2PbO4.
AB - The specific method of introducing lead significantly influences the phase development and superconducting properties of Pb-doped Bi2Sr2Ca2Cu3Ox (BSCCO-2223) Ag-sheathed powder-in-tube tapes. This is demonstrated in a study of tapes made from a series of powder mixtures containing the phases Bi1.8PbzSr2.0Ca1.0Cu2.0 O8 (2212), Ca2PbO4, Ca2CuO3, and CuO, where the lead content of 2212, z, was varied from 0.0 to 0.4. The overall composition of each mixture was the same, (Bi1.8Pb0.4Sr2.0Ca2.0Cu 3.0O10), and the amounts of each phase were varied to compensate for changes in z. In an additional mixture made from lead-free 2212, Ca2CuO3, and CuO, all lead was added as PbO. A significantly more complete 2223 formation, sharper transition temperatures, and higher critical current densities were seen when all lead was incorporated in the 2212 phase, rather than being added as either PbO or Ca2PbO4.
UR - http://www.scopus.com/inward/record.url?scp=0028413662&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0028413662&partnerID=8YFLogxK
U2 - 10.1016/0921-4534(94)90709-9
DO - 10.1016/0921-4534(94)90709-9
M3 - Article
AN - SCOPUS:0028413662
SN - 0921-4534
VL - 223
SP - 163
EP - 172
JO - Physica C: Superconductivity and its applications
JF - Physica C: Superconductivity and its applications
IS - 1-2
ER -