Effects of MgO on the electronic and superconducting properties in succinic acid (C4H6O4) doped MgB2 bulks

H. Ağıl, Ö. Çiçek, E. Ertekin, A. Motaman, M.S.A. Hossain*, S. X. Dou, A. Gencer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

In this paper, we report the doping effects of succinic acid, C4H6O4 (from 0 to 30 wt%) on the lattice parameter, critical temperature (Tc), critical current density (Jc), upper critical field (Hc2), and irreversibility field (Hirr) in MgB2 superconductor. It was found that MgB2 doped with 10 wt% C4H6O4 and sintered at 900°C exhibited excellent Jc above 104 Acm−2 at 5 K and 8 T. Impurity scattering due to C substitution, improved crystallinity and the least amount of MgO in 10 wt% doped sample improves Jc very significantly. The MgO amount is rapidly increased in 20 and 30 wt% doped samples which causes a strong depression of Jc, Hc2, Hirr due to poor inter and intra-grain connectivity.

Original languageEnglish
Pages (from-to)1525-1529
Number of pages5
JournalJournal of Superconductivity and Novel Magnetism
Volume26
Issue number5
Early online date11 Jan 2013
DOIs
Publication statusPublished - 31 May 2013

Keywords

  • MgB2 bulks
  • succinic acid
  • upper and irreversibility field

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