Del pennino

• Ni-Si
• Bi-Cu-O
• Cr-Si
• Si-Yb
• Cu-O
• optical spectra
• optical properties
• electronic and electrical properties
• values of electron density of states
• electron density of states
• transitional
• non-disordered
• binary
• metalloid
• silicide
• orthorhombic
• cubic
• hexagonal
• tetragonal