A ceramic superconductor compound with composition YBa2(C u3)1-xA gxO6.5x+δhas been prepared experimentally by solid state reaction from principal roots of high purity materials like Y203, BaO, CuO and Ag20. The s...
supported by Funds from Center University of the Education Ministry (No. SWJTU09ZT24)
By doping Ni into YBa2Fe308+w (YBFO) system, we obtained the phase YBa2Fe3-xNixO8+w (YBFNO, x=0, 0.05, 0.10, 0.15, 0.30, 0.50, 1.00). This paper discusses the changes in crystal structural, resistivity and magne...