Mechanisms and kinetics of the synthesis of BSCCO superconducting phases via organometallic precursors

Anna Tampieri; E. Landi; G. Celotti

doi:10.1016/0921-4534(95)00569-2

Mechanisms and kinetics of the synthesis of BSCCO superconducting phases via organometallic precursors

Anna Tampieri, E. Landi, G. Celotti

Houston Methodist

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A precursor powder was prepared with the nominal composition Bi_1.84Pb₃₅Sr₉Ca₃O_x by the pyrolysis technique starting from a solution of citrates. Reactions among components were investigated by thermogravimetric and differential thermal analysis in the temperature range 700-850°C. Reaction kinetics and mechanisms involved in the transformation of the organometallic precursors into superconducting phases were examined and mathematically treated by relationships theoretically derived for phenomenological models. The identification of reaction intermediates that play a crucial role in the synthetic process was systematically performed via XRD and a comparison with the solid state reaction route was attempted.

Original language	English (US)
Pages (from-to)	342-354
Number of pages	13
Journal	Physica C: Superconductivity and its Applications
Volume	254
Issue number	3-4
DOIs	https://doi.org/10.1016/0921-4534(95)00569-2
State	Published - Nov 20 1995

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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abstract = "A precursor powder was prepared with the nominal composition Bi1.84Pb35Sr9Ca3Ox by the pyrolysis technique starting from a solution of citrates. Reactions among components were investigated by thermogravimetric and differential thermal analysis in the temperature range 700-850°C. Reaction kinetics and mechanisms involved in the transformation of the organometallic precursors into superconducting phases were examined and mathematically treated by relationships theoretically derived for phenomenological models. The identification of reaction intermediates that play a crucial role in the synthetic process was systematically performed via XRD and a comparison with the solid state reaction route was attempted.",

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AU - Landi, E.

AU - Celotti, G.

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N2 - A precursor powder was prepared with the nominal composition Bi1.84Pb35Sr9Ca3Ox by the pyrolysis technique starting from a solution of citrates. Reactions among components were investigated by thermogravimetric and differential thermal analysis in the temperature range 700-850°C. Reaction kinetics and mechanisms involved in the transformation of the organometallic precursors into superconducting phases were examined and mathematically treated by relationships theoretically derived for phenomenological models. The identification of reaction intermediates that play a crucial role in the synthetic process was systematically performed via XRD and a comparison with the solid state reaction route was attempted.

AB - A precursor powder was prepared with the nominal composition Bi1.84Pb35Sr9Ca3Ox by the pyrolysis technique starting from a solution of citrates. Reactions among components were investigated by thermogravimetric and differential thermal analysis in the temperature range 700-850°C. Reaction kinetics and mechanisms involved in the transformation of the organometallic precursors into superconducting phases were examined and mathematically treated by relationships theoretically derived for phenomenological models. The identification of reaction intermediates that play a crucial role in the synthetic process was systematically performed via XRD and a comparison with the solid state reaction route was attempted.

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Mechanisms and kinetics of the synthesis of BSCCO superconducting phases via organometallic precursors

Abstract

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