Effect of magnetic dipole-dipole interactions on the spin orientation and magnetic ordering of the spin-ladder compound Sr3Fe2O5.
First-principles density functional theory calculations show that the spin-lattice of Sr(3)Fe(2)O(5) is practically 2D in terms of its spin-exchange interactions. The magnetic dipole-dipole interactions are found to be essential for the 3D magnetic ordering of Sr(3)Fe(2)O(5) at a very low temperature.
Koo
Hyun-Joo
HJ
Department of Chemistry and Research Institute of Basic Science, Kyung Hee University, Seoul 130-701, Korea. hjkoo@khu.ac.kr
Xiang
Hongjun
H
Lee
Changhoon
C
Whangbo
Myung-Hwan
MH