Y2Pb3Sn3S12 oP40 26

• Pb-S-Sn-Y
• Pb-S-Sn-Tb
• Pb-S-Sm-Sn
• Pb-S-Sn-Tm
• Gd-Pb-S-Sn
• structural properties
• rare earth
• chalcogen
• non-disordered
• sulfide
• quaternary
• orthorhombic