Abstract:
Room temperature superconductors have been a dream for decades. Most
researches in this area focused on cuprate superconductors. In this research, a
prepared sample of YBCO (Y123) superconductor was studied to investigate its
electrical properties at and above room temperature. Electrical measurements
were carried out by a digital voltmeter and a multi-meter. An origin 9 program
was used to analyze the results. The multi-meter showed presence of
conductivity during the heating. The voltmeter showed proportionality of voltage
with temperature. Room temperature measurements showed an existence of
resistivity. Results analysis revealed exponential decay in conductivity of the
sample with heating. Y123 sample exhibited semiconductor electrical
characteristics.
