La0.67Nb2O6-b oS36 65

• La-Nb-O
• Nb-Nd-O
• Nb-O-Pr
• Gd-O-Ta
• Ce-O-Ta
• structural properties
• electronic and electrical properties
• activation energy
• thermal and thermodynamic properties
• transitional
• lanthanoid
• chalcogen
• rare earth
• ternary
• orthorhombic
• tetragonal