Kazan

• Fe-Ga-Se-Tl
• Ga-Se-Tl
• Al-N
• Ga-N
• Al-Ga-N
• electronic and electrical properties
• permittivity (dielectric constant)
• phonons
• optical properties
• imaginary part of permittivity
• ferroelectric
• nonmetal
• conductor
• semiconductor
• chalcogen
• monoclinic
• hexagonal