Conductor, Quaternary, Transitional, Kannewurf, Orthorhombic

• Ce-Cs-Cu-S
• Ba-Cu-Eu-O
• Al-Ce-Fe-Si
• Al-Fe-Pr-Si
• Cu-K-Se-U
• electronic and electrical properties
• magnetic properties
• optical properties
• phonons
• conductivity or resistivity
• transitional
• quaternary
• conductor
• lanthanoid
• rare earth