Conductor, Metal, Transitional, Energy band structure, Trigonal

• Se-Ti
• S-Ti
• La-Ni-O
• Ca-Cu-O-Ti
• Co-La-O
• electron energy band structure
• Fermi energy
• Fermi surface
• energy at Fermi level
• Brillouin zone
• transitional
• conductor
• metal
• chalcogen
• non-disordered