Electronic energy gap, Nb, Tetragonal

• K-Nb-O
• Nb-O-P
• Nb-O
• Ba-Nb-O
• Ba-Nb-O-Zr
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• composition derivative of energy gap
• transitional
• chalcogen
• oxide
• disordered