Villafuerte castrejon

• K-Na-Nb-O
• Li-O-Ta
• Bi-Eu-O-Ti
• Bi-Cr-Fe-La-O
• Bi-O-Ti
• structural properties
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• chalcogen
• transitional
• oxide
• alkali
• quaternary
• orthorhombic
• tetragonal
• trigonal
• cubic
• monoclinic