Kieda

• Cu-La-Ni-O
• N-Nb
• Cu-La-O
• B-Pr
• B-La
• structural properties
• hardness
• mechanical properties
• phase transitions
• Vickers hardness number
• disordered
• transitional
• metal
• rare earth
• lanthanoid
• cubic
• hexagonal
• orthorhombic
• tetragonal
• trigonal