Chervin

• H-N
• K-Nb-O
• Ga-S
• Ba-O-W
• In-N
• mechanical properties
• phase transitions
• optical properties
• structural transitions
• phonons
• non-disordered
• chalcogen
• binary
• nonmetal
• isopolyhedral
• cubic
• hexagonal
• tetragonal
• monoclinic
• orthorhombic