Seok

• Co-Cu-La-O
• Cu-La-O
• Au-Cu
• Cu-In-S
• Ce-Fe-O
• electronic and electrical properties
• values of activation energy
• activation energy
• conductivity or resistivity
• electrical conductivity
• transitional
• chalcogen
• lanthanoid
• rare earth
• disordered
• tetragonal
• orthorhombic
• cubic