Solid state synthesis of Bi2Sr2CaCu2Ox superconductor

Bloom, Ira; Frommelt, J.M.; Hash, M.C.; Lanagan, Michael T.; Wu, Congjun; Goretta, K. C.

doi:10.1016/0025-5408(91)90141-8

Cited by 30 publications

(8 citation statements)

References 23 publications

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“…about 3°C/min to room temperature. The short time at 900°C was designed to introduce a small amount of liquid phase so that the synthesis reaction kinetics could be accelerated [11]. The powder was crushed and given a second identical heat treatment.…”

mentioning

confidence: 99%

Processing and Properties of Silver-Clad Tl-Ba-Ca-Cu-O Wires and Tapes

Goretta

Lanagan

et al. 1992

MRS Proc.

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mentioning

confidence: 99%

Processing and Properties of Silver-Clad Tl-Ba-Ca-Cu-O Wires and Tapes

Goretta

Lanagan

et al. 1992

MRS Proc.

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“…Chen et al used DTA to determine that the melting temperature of Y-123 varied from 1030 • C in 100% O 2 , to 975 • C in 0.2% O 2 [16]. Bloom et al demonstrated that the melting temperature of Bi-2212 also decreases with decreasing p O2 [17].…”

Section: Resultsmentioning

confidence: 99%

Liquid phase sintering and microstructure development of Ag-clad Tl-1223 superconductor

Hagen

Kupperman

Goretta

et al. 1996

Supercond. Sci. Technol.

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The phase evolution and electrical properties of Tl-1223 tapes were explored near the incongruent melt temperature. Liquid phase evolution was monitored as a function of time and temperature by an acoustic velocity monitor. The phase development kinetics for Tl-based superconductors are more than one order of magnitude faster than the kinetics of Bi-based superconductors. Three separate powder mixtures (Tl

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“…The composition that was used was Bi2Srl.7CaCu2Ox, which yields 2212 of excellent phase purity [18]. The 2212 powder was synthesized from a mixture of Bi203, SRC03, CaCO3, and CuO.…”

Section: Experimental Methodsmentioning

confidence: 99%

Characterization of Hot Isostatically Pressed Bi–Sr–Ca–Cu–O as a Function of Consolidation Variables

et al. 1991

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Fully dense, bulk Bi2Sr1.7CaCu2Ox (2212) superconductor pellets were made by hot isostatic pressing in an inert atmosphere. Electron microscopy revealed that rotation and bending of the platelike 2212 grains were responsible for much of the densification. Under processing conditions of 825°C and 105 MPa, dense pellets were obtained in 15 min. Many dislocations, planar faults, and, perhaps, intergrowths of the Bi2Sr2CuOx phase were produced during pressing. The dislocations were largely present in subgrain boundaries when the pressing times were increased to 45–120 min.

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Solid state synthesis of Bi2Sr2CaCu2Ox superconductor

Cited by 30 publications

References 23 publications

Processing and Properties of Silver-Clad Tl-Ba-Ca-Cu-O Wires and Tapes

Processing and Properties of Silver-Clad Tl-Ba-Ca-Cu-O Wires and Tapes

Liquid phase sintering and microstructure development of Ag-clad Tl-1223 superconductor

Characterization of Hot Isostatically Pressed Bi–Sr–Ca–Cu–O as a Function of Consolidation Variables

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