Conductor, Lanthanoid, Quaternary, Rare earth, Transitional, Kannewurf

• Ce-Cu-K-S
• Ce-Cs-Cu-S
• Ba-Cu-Eu-O
• Al-Ce-Fe-Si
• Al-Fe-Pr-Si
• magnetic properties
• electronic and electrical properties
• optical properties
• phonons
• Curie-Weiss paramagnetism
• rare earth
• conductor
• quaternary
• lanthanoid
• transitional
• orthorhombic
• monoclinic
• hexagonal
• trigonal
• tetragonal