Marimuthu

• Ba-Cu-Er-O-P-Sr
• Ba-Cu-Eu-O-P-Sr
• Bi-Hg-O-V
• Bi-Na-O-V
• Ba-Cu-O-P-Sr-Tm
• structural properties
• chalcogen
• transitional
• pnictogen
• multinary
• rare earth
• orthorhombic