Alkaline, Transitional, Ba-Gd, Orthorhombic

• Ba-Cu-Gd-O
• Ba-Co-Gd-O
• Ba-Cu-Gd-O-Pr
• Ba-Cu-Gd-O-Y
• Ba-Fe-Gd-O
• magnetic properties
• thermal and thermodynamic properties
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• transitional
• lanthanoid
• alkaline
• rare earth
• chalcogen