Disordered, Transitional, Kataev

• Ir-Na-Ni-O
• Cu-Ir-La-O
• As-Ba-Co-Fe
• Fe-Ir-Na-O
• Ir-Na-O-Zn
• magnetic properties
• magnetic susceptibility
• resonance spectra
• structural properties
• magnetization
• disordered
• transitional
• chalcogen
• quaternary
• oxide
• trigonal
• hexagonal
• tetragonal
• orthorhombic
• triclinic