La-Mn-O-Sr, Metal or nonmetal character, Trigonal

• La-Mn-O-Sr-Ti
• Ca-La-Mn-O-Sr
• Fe-La-Mn-O-Sr
• Al-La-Mn-O-Sr
• temperature for metal-nonmetal transition
• values of metal or nonmetal character
• lanthanoid
• rare earth
• chalcogen
• alkaline
• transitional