Neon ion Irradiation studies on MgB2 Superconductor

Details Neon ion Irradiation studies on MgB2 Superconductor Neon ion Irradiation studies on MgB2 Superconductor

2004-08-09

arxiv.org/abs/cond-mat/0408175v2

Physics

Condensed Matter

Superconductivity

15 pages, 3 figures

Scientific paper

10.1016/j.ssc.2005.02.010

160 MeV Neon ion irradiation has been carried out on MgB2 polycrystalline pellets at various doses. There has not been any significant change in Tc except at the highest dose of 1x10^15 ions/cm^2. Increase in resistivity has been noticed. Resistivity data has been fitted with Bloch-Gruneisen function and the values of Debye temperature, residual resistivity and temperature coefficient of resistivity have been extracted for irradiated as well as unirradiated samples. The increase in the resistivity of irradiated samples has been explained in the light of damage in the 3D pi bonding network of B.

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