Tm2S2O mP20 14

• O-S-Tm
• Er-O-S
• O-S-Yb
• Gd-O-S
• O-S-Sm
• structural properties
• phase transitions
• temperature for peritectoid formation
• peritectoid formation
• oxide
• ternary
• chalcogen
• non-disordered
• rare earth
• monoclinic