Specific heat of MgB2 after irradiation

@article{Wang2002SpecificHO,
  title={Specific heat of MgB2 after irradiation},
  author={Y. Wang and F. Bouquet and I. Sheikin and P. Toulemonde and B. Revaz and M. Eisterer and H. W. Weber and J. Hinderer and A. Junod},
  journal={Journal of Physics: Condensed Matter},
  year={2002},
  volume={15},
  pages={883-893}
}
  • Y. Wang, F. Bouquet, +6 authors A. Junod
  • Published 2002
  • Physics
  • Journal of Physics: Condensed Matter
  • We studied the effect of disorder on the superconducting properties of polycrystalline MgB2 by specific-heat measurements. In the pristine state, these measurements give a bulk confirmation of the presence of two superconducting gaps with 2?0/kBTc = 1.3 and 3.9 with nearly equal weights. The scattering introduced by irradiation suppresses Tc and tends to average the two gaps although less than predicted by theory. We also found that by a suitable irradiation process by fast neutrons, a… CONTINUE READING
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