Influence of fluorine doping on the transport properties of GdBa2Cu3O7-X

M. Muralidhar, T. Somaiah, D. Mangapathi Rao, F. M. Amanullah, P. Veeresham, K. J. Pratap, M. Nagabhooshanam, V. Hari Babu

Research output: Contribution to journalArticlepeer-review


Undoped and fluorine-doped materials of GdBa2Cu3O7-XFx (with x = O, 0.05, 0.1 and 0.2) were prepared at high temperature (950° C) by solid state reaction followed by oxygen treatment. X-ray diffractograms of the undoped sample showed single orthorhombic phase. Resistivity measurements showed that Tc(0) decreases with fluorine concentration. Thermopower measurements indicated a peak just before the onset of the superconducting transition. The reasons for the decrease of Tc and the anomalous behaviour of thermopower have been explained.

Original languageEnglish
Pages (from-to)4449-4452
Number of pages4
JournalJournal of Materials Science
Issue number10
Publication statusPublished - 1990 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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