Al-Nb, Nb-x polyhedra, Superconductivity

• Al-Ge-Nb
• Al-Ga-Nb
• Al-N-Nb-O
• Al-Nb-Si-V
• superconducting transition temperature
• values of superconducting transition temperature
• superconductivity energy gap
• values of superconductivity energy gap
• conductor
• transitional
• superconductor
• disordered
• metal
• cubic
• tetragonal