%0 Journal Article %K Bismuth compounds %K High temperature superconductors %K Ceramic materials %K Oxide superconductors %K Microscopic Examination–Transmission Electron Microscopy %K Lead and Alloys %K X-rays–Diffraction %K Bismuth Strontium Samarium Cerium Copper Oxides %K Structural Modulation %A K Remschnig %A J.M Tarascon %A Ramamoorthy Ramesh %A G.W Hull %A P Rogl %B Physica C: Superconductivity and its applications %D 1990 %G eng %P 284-290 %R 10.1016/0921-4534(90)90325-9 %T Increase of Tc and disappearance of the structural modulation in the system Bi-Sr-Sm-Ce-Cu-O upon Pb substitution %V 170