Antiferromagnetic, Metalloid, Buechner, Orthorhombic

• Cu-Ge-O
• As-Ca-Co-Fe
• As-Ba-Fe-K
• As-Ca-Fe
• As-Ba-Fe
• thermal and thermodynamic properties
• magnetic properties
• thermal expansion
• structural transitions
• phase transitions
• metalloid
• antiferromagnetic
• transitional
• metal
• pnictogen