Ba3CaRu2O9 hP30 190

• Ba-Fe-O-Ti
• Ba-Ca-O-Ru
• Ba-Cr-O-W
• Ba-O-Ru-Sr-Ta
• electronic and electrical properties
• magnetic properties
• structural properties
• structural transitions
• phase transitions
• alkaline
• chalcogen
• transitional
• quaternary
• disordered
• hexagonal