1980, Orthorhombic

• Cl-Rb-Zn
• K-O-Se
• O-Pb-Sc-Ta
• N-Na-O
• Ba-K-N-O
• structural properties
• electronic and electrical properties
• magnetic properties
• conductivity or resistivity
• phase transitions
• non-disordered
• transitional
• chalcogen
• ternary