Karpenko

• Er-Ga-Mn
• Ce-S
• O-Y
• O-Zr
• Mg-O
• structural properties
• magnetic properties
• phase diagram
• phase transitions
• transitional
• disordered
• chalcogen
• rare earth
• non-disordered
• monoclinic
• hexagonal
• cubic
• tetragonal
• trigonal