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American Institute of Physics, Journal of Applied Physics, 5(110), p. 053916

DOI: 10.1063/1.3631787

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Tailoring magnetic orders in (LaFeO3)n–(LaCrO3)n superlattices model

Journal article published in 2011 by Yangyang Zhu, Shuai Dong, Qinfang Zhang, Seiji Yunoki, Yonggang Wang, J.-M. Liu
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Magnetic orders in (LaFeO3)n–(LaCrO3)n superlattices and in the corresponding LaFe0.5Cr0.5O3 are studied by Monte Carlo simulations. Because of the different exchange couplings of Fe–O–Fe, Cr–O–Cr, and Fe–O–Cr, the superlattices show nontrivial magnetic modulations with the stack periods. Our simulations not only reproduce the experimental observation of strong ferromagnetism in the n = 1 superlattice, but also predict other complex antiferromagnetic or ferrimagnetic orders in thicker cases. The possible chemical phase separation in LaFe0.5Cr0.5O3 bulk is also revealed in our simulation.