Khoma

• P-S-Sn
• P-S-Se-Sn
• P-Se-Sn
• Al-N-O
• C-H-N-O-S
• mechanical properties
• elastic stiffness coefficient
• elasticity
• sound velocity
• pnictogen
• chalcogen
• semiconductor
• conductor
• ferroelectric
• monoclinic
• triclinic