Abstract
A comprehensive study on a magnetic superconductor (Pr2Pt3Ge5) has been presented here. Superconducting state is well described through modified model of thermally activated flux flow (TAFF) motion of vortices which shows that consideration of temperature dependence of the prefactor as well as non-linear variation of thermally activated energy (TAE) of vortices provides more reliable value of TAE in different fields. A clear signature of vortex glass (VG) state in this superconductor has been observed with a crossover from 3-dimensional (3D) to 2-dimensional (2D) critical behaviour in field. In addition, the dimensionality analysis using different models like modified TAFF, obtained critical exponent (s) from VG state and Lowest Landau Level (LLL) scaling reveals that Pr2Pt3Ge5 has a tendency towards 2D behaviour. Moreover, normal state study shows a clear signature of non-Fermi liquid (NFL) behaviour in this superconductor which shifts to Fermi liquid (FL) state at higher fields.
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