Crystal electric field, Rare earth

• Ba-Cu-O-Pr
• Ce-Cu
• Ba-Cu-Er-O
• Al-Ce
• Cu-Nd
• electronic and electrical properties
• crystal electric field parameter
• crystal field level
• values of crystal electric field
• crystal electric field splitting
• rare earth
• lanthanoid
• transitional
• non-disordered
• metal
• tetragonal
• cubic
• orthorhombic
• hexagonal
• trigonal