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Approximation to the laser floating zone preparation of high temperature BSCCO superconductors by DSC

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dc.creator Mayoral Gastón, María del Carmen
dc.creator Andrés Gimeno, José Manuel
dc.creator Bona, M. T.
dc.creator Angurel, Luis A.
dc.creator Natividad, Eva
dc.date 2008-05-21T09:24:01Z
dc.date 2008-05-21T09:24:01Z
dc.date 2004
dc.date.accessioned 2017-01-31T01:24:08Z
dc.date.available 2017-01-31T01:24:08Z
dc.identifier Thermochimica Acta 409 (2004) 157–164
dc.identifier http://hdl.handle.net/10261/4398
dc.identifier 10.1016/S0040-6031(03)00354-X
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/4398
dc.description journal page: http://www.elsevier.com/wps/find/journaldescription.cws_home/500855/description#description
dc.description Differential scanning calorimetry (DSC) has been used to simulate laser fusion of ceramic precursors to prepare BSCCO high temperature superconducting materials. At fast heating rates, typical of the laser floating zone, the energy required for complete melting of the precursor increases with the Bi to Sr+Ca ratio, in agreement with the critical current results obtained. At lowheating rates, solid-state reactions involving ionic rearrangements take place before incongruent melting. These changes can be divided into three processes and can be quantified from calorimetric measurements. Lower heating rates and isothermal experiments allow detailed visualisation of the ionic arrangements taking place. The results prove that the mechanism of the final phase formation is dependent on the fabrication procedure.
dc.description Peer reviewed
dc.format 658300 bytes
dc.format application/pdf
dc.language eng
dc.publisher Elsevier
dc.rights openAccess
dc.subject DSC
dc.subject BSCCO superconductors
dc.subject Solid diffusion
dc.subject Precursor composition
dc.title Approximation to the laser floating zone preparation of high temperature BSCCO superconductors by DSC
dc.type Artículo


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