Chalcogen, Quaternary, Monoclinic, Real part of permittivity

• Co-La-Mn-O
• La-Mn-Ni-O
• K-Na-Nb-O
• Cs-H-O-Se
• Bi-Nb-O-Zn
• quaternary
• chalcogen
• nonmetal
• non-disordered
• transitional