Khachane

• Ba-Na-Nb-O
• Ba-K-Nb-O
• Ba-Li-Nb-O
• electronic and electrical properties
• permittivity (dielectric constant)
• real part of permittivity
• dielectric loss tangent
• structural transitions
• alkali
• chalcogen
• nonmetal
• quaternary
• alkaline
• tetragonal
• orthorhombic