Electronic and electrical properties, Mchpdr, Rare earth, Transitional

• Nb-O-Pr-Sr-Ti
• Ba-Fe-Nd-O
• Dy-Fe-Na-Nb-O-Pb
• Fe-Gd-Mo-O-Sr
• Cr-O-Pr
• permittivity (dielectric constant)
• conductivity or resistivity
• real part of permittivity
• ferroelectric transitions
• rare earth
• transitional
• chalcogen
• lanthanoid
• nonmetal
• tetragonal
• orthorhombic
• cubic
• trigonal