(Cu,Tl)Ba2Ca3Cu4Ox compositions: I. The influence of synthesis time and temperature on the phase formation and evaporation$ndash$condensation mechanism

Badica, P ; Iyo, A ; Crisan, A ; Ishiura, Y ; Sundaresan, A ; Ihara, H (2002) (Cu,Tl)Ba2Ca3Cu4Ox compositions: I. The influence of synthesis time and temperature on the phase formation and evaporation$ndash$condensation mechanism Superconductor Science and Technology, 15 (6). pp. 964-974. ISSN 0953-2048

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Official URL: http://doi.org/10.1088/0953-2048/15/6/323

Related URL: http://dx.doi.org/10.1088/0953-2048/15/6/323

Abstract

Temperature and time dependence of the phase formation in the (Cu0.5,Tl0.5)-1234 composition have been studied. The liquid–vapour deposition mechanism for the formation of 12(n − 1)n superconducting phases is presented. XRD, SEM, EDS and weight loss data are discussed. Samples were superconducting with maximum Tc and Jc (at 60 K and 0.5 T), determined from M(H) loops of 118 K and 4 × 105 A cm−2, respectively.

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