|Author||Mohanta, Annapurna ♦ Behera, Dhrubananda ♦ Panigrahi, Simanchalo ♦ Mishra, Naresh Chandra|
|Publisher||Indian J. Phys.|
|Subject Domain (in DDC)||Natural sciences & mathematics ♦ Physics|
|Subject Keyword||Composite ♦ Superconductivity ♦ Percolation|
|Abstract||Ferroelectrics and high temperature superconductors are two promising materials for future electronic devices. Both being perovskite ceramic structures with similar crystal chemistry a set of samples were prepared from the composite of (1-x)YBa2Cu307–δ – (x)BaTiO3 (YBCO/BT). These samples were investigated with temperature dependent resistance, FTIR, X-ray diffraction and SEM-EDX analysis. It has been found that the critical exponent in the Tc0 (R = 0) region is in agreement with the percolation theory. A long-range superconducting order results from thermally assisted percolation process through weak-links between the grains. The connectivity in the coherent transition region can be explained by a power law.|
|Education Level||UG and PG|
|Learning Resource Type||Article|
|Journal||Indian J Phys|
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