Kazakevich

• Al-Ba-Fe-O
• Ba-Fe-In-O
• Ba-Cu-Eu-O-Y
• Ba-Ca-Cu-O-Y
• Ba-Fe-Ga-O
• structural properties
• magnetic properties
• values of superconducting transition temperature
• superconducting transition temperature
• magnetic susceptibility
• chalcogen
• alkaline
• transitional
• disordered
• oxide
• hexagonal
• orthorhombic