Stoyanova ivanova

• La-Mn-O-Pb
• Ba-Cu-O-Y
• Ba-Cu-K-O-Y
• Ag-Al-H-K-Mg-O-Si
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• magnetization
• structural properties
• transitional
• chalcogen
• rare earth
• quaternary
• disordered
• trigonal
• monoclinic