Kauffmann

• Ni-Sn
• Ba-Cl-Co-O
• Ba-Br-Co-O
• Ba-Co-F-O
• Ca-K-Nb-O
• magnetic properties
• structural properties
• electronic and electrical properties
• Curie-Weiss paramagnetism
• conductivity or resistivity
• transitional
• chalcogen
• alkaline
• disordered
• oxide
• hexagonal
• trigonal
• monoclinic
• orthorhombic
• cubic