Alkali, Non-disordered, Nonmetal, Imaginary part of permittivity

• As-H-K-O
• Cs
• K-O-Ta
• Bi-Cl-F-H-K
• Br-Co-Rb
• non-disordered
• nonmetal
• alkali
• chalcogen
• ferroelectric
• cubic
• monoclinic
• tetragonal
• orthorhombic
• hexagonal