The Structural and Electrical Study of Lu-Doped YBCO System

• DOI: 10.1007/s10948-012-2070-7
• Publication Date: 2013-01-04T02:05:53Z
• Authors: N. Soylu; C. C. Yahsi; S. P. Altintas; S. Nezir; C. Terzioglu
• Keywords: Atmospheric temperature range

We have prepared a series of bulk superconducting samples with the nominal composition of Y1−x Lu x Ba2Cu3O y (where x=0.0, 0.05, 0.1, 0.2 and 0.3) by the conventional solid-state reaction method. The samples were characterized structurally by means of X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectrometry. The electrical transport properties of the samples were analyzed in the temperature range between 20–140 K under magnetic fields up to 2 T. The superconducting transition temperature, T c, and activation energy, U 0, were found to decrease with Lu-doping and with increase in applied magnetic field.