Alkali, Chalcogen, Non-disordered, Dielectric loss tangent

• K-Na-O-Se
• Fe-Li-O
• Na-Nb-O
• B-Cs-Li-O
• H-Li-N-O-S
• non-disordered
• chalcogen
• alkali
• transitional
• oxide
• monoclinic
• orthorhombic
• tetragonal
• cubic
• trigonal