Abstract
Bulk material of Nd-doped Tl-1212 superconductors was prepared via a two-step procedurebased on a wet chemical method to prepare precursor material followed by heat-treatment at895 °C for 10 h. The samples with Nd stoichiometry ofx = 0.05, 0.1, 0.15, 0.20 0.25 and 0.30 were characterized by XRD, electron microscopy and by resistancemeasurements. Oxygen stoichiometry of the specimens was analyzed. Lattice parameters werederived from x-ray diffraction and neutron diffraction measurements. The increase of thea-axis and thedecrease of the c-axis as a function of the Nd content are discussed.
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