Charge and orbital ordering in underdoped La1-xSrxMnO3

Details Charge and orbital ordering in underdoped La1-xSrxMnO3 Charge and orbital ordering in underdoped La1-xSrxMnO3

1999-12-02

arxiv.org/abs/cond-mat/9912021v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 5 figures

Scientific paper

10.1103/PhysRevB.61.R3776

We have explored spin, charge and orbitally ordered states in La1-xSrxMnO3 (0 < x < 1/2) using model Hartree-Fock calculations on d-p-type lattice models. At x=1/8, several charge and orbitally modulated states are found to be stable and almost degenerate in energy with a homogeneous ferromagnetic state. The present calculation indicates that a ferromagnetic state with a charge modulation along the c-axis which is consistent with the experiment by Yamada et al. might be responsible for the anomalous behavior around x = 1/8.

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