Kemper

• Au-Cs-I
• As-Ba-Fe-K
• Fe-Rb-S-Se
• Fe-Rb-S
• Fe-Rb-Se
• optical properties
• electronic and electrical properties
• phonons
• energy band structure
• superconductivity
• transitional
• alkali
• conductor
• disordered
• chalcogen
• tetragonal
• cubic
• orthorhombic
• trigonal
• monoclinic