Electronic and electrical properties, Negative thermal expansion, Transitional

• Fe-Se
• Ag-Ga-Se
• Ag-Ga-S
• O-Re
• O-Ti-Y
• conductivity or resistivity
• electronic energy gap
• electrical resistivity
• values of electronic energy gap
• permittivity (dielectric constant)
• negative thermal expansion
• transitional
• non-disordered
• chalcogen
• ternary
• orthorhombic
• tetragonal
• cubic
• trigonal
• hexagonal