supported by the Major State Basic Research Development Program(Grant No.2013CB922302);the National Natural Science Foundation of China(Grant No.11374320)
Manganese oxides with a perovskite-type Re_(1-x)D_xMnO_3(Re:heavy rare-earth elements,D:divalent alkali metal)structure have attracted interest because of the complex interaction between their electrons,lattices,and s...