O-Si, Silicate, Structural transitions

• Cu-Ge-O-Si
• Ba-Cu-O-Si
• Ca-O-Si
• Ca-La-Mn-O-Si
• temperature for structural transition
• pressure for structural transition
• structural transition
• chalcogen
• silicate
• metalloid
• non-disordered
• binary
• orthorhombic
• monoclinic
• trigonal
• tetragonal
• hexagonal