Boracite, Chalcogen, Electronic and electrical properties

• B-Cl-Mg-O
• B-Cl-Co-O
• B-Cl-Fe-O
• B-Cl-Cu-O
• B-Br-Fe-O
• electronic energy gap
• values of electronic energy gap
• electrical conductivity
• effective mass
• permittivity (dielectric constant)
• metalloid
• chalcogen
• boracite
• borate
• halogen
• cubic
• trigonal
• orthorhombic
• monoclinic
• tetragonal