Ba-Nb-O-Sm-Ti, Chalcogen, Transitional

• Ba-Ca-Nb-O-Sm-Ti
• Ba-Nb-O-Pb-Sm-Ti-Zr
• Ba-La-Nb-O-Sm-Ti
• Ba-Fe-Nb-O-Sm-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• temperature for structural transition
• structural transitions
• lanthanoid
• rare earth
• chalcogen
• alkaline
• transitional
• tetragonal
• orthorhombic