Bornemann

• Ba-Cu-Fe-O-Y
• Ba-Cu-Gd-O
• Fe-Yb
• Ba-Cu-O-Y-Zn
• Ba-Cu-Fe-Gd-O
• magnetic properties
• magnetization
• superconducting transition temperature
• superconductivity
• values of magnetization
• transitional
• chalcogen
• high-tc superconductor
• conductor
• alkaline
• orthorhombic
• tetragonal
• hexagonal
• monoclinic
• triclinic