Chalcogen, Ianfay

• Mn-O
• P-S-Sn
• P-Se-Sn
• Fe-K-Mo-O
• P-Pb-S-Se-Sn
• structural properties
• phase diagram
• phase transitions
• chalcogen
• transitional
• quaternary
• rare earth
• alkaline
• tetragonal
• orthorhombic
• hexagonal