Alkali, Chalcogen, Disordered, Non-disordered, Real part of permittivity

• Li-O-Ta
• H-K-O-P
• As-H-K-O
• Fe-Li-O
• K-O-S
• alkali
• disordered
• non-disordered
• chalcogen
• nonmetal
• tetragonal
• orthorhombic
• trigonal
• cubic
• monoclinic