[Pw_forum] A-type AFM of LaMnO3

[Jaret Qi]

Dear all,For an A-type AFM of LaMnO3, Mn atoms are found to be responsible for the magnetization. Which in turn means Mn atoms will take -1 and +1 magnetization, but the one unit cell of LaMnO3 has one Mn atom. So how one could run the A-type AFM of an odd number of LaMnO3 cells?
Thank you!
Jaret
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