
Enhanced superconductivity in Cu0.5Tl0.5Ba2Can−1−yBeyCunO2n+4−δ (n=3n=3, 4 and y=0.7y=0.7, 1.5, 1.7, 2.0) system with oxygen doping
Keywords: 74.76.-w; 74.76.Bz; 74.72.-h; 74.72.-JtA. Superconductors; B. Chemical synthesis; C. X-ray diffraction; C. Infrared spectroscopy