Alkaline, Lanthanoid, Rare earth, Paramagnetic moment, Tetragonal

• Ba-Cu-O-Pr
• Ba-Cu-Nd-O
• Ba-Cu-Nb-O-Pr
• Ba-Cu-Gd-O
• Ba-Cu-Dy-O
• rare earth
• lanthanoid
• alkaline
• transitional
• chalcogen