Interplay of superexchange and orbital degeneracy in Cr-doped LaMnO3

Details Interplay of superexchange and orbital degeneracy in Cr-doped LaMnO3 Interplay of superexchange and orbital degeneracy in Cr-doped LaMnO3

2002-07-30

arxiv.org/abs/cond-mat/0207708v1

Phys. Rev. B 66, 054414 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.66.054414

We report on structural, magnetic and Electron Spin Resonance (ESR) investigations in the manganite system LaMn_{1-x}Cr_{x}O_{3} (x<=0.5). Upon Cr-doping we observe a reduction of the Jahn-Teller distortion yielding less distorted orthorhombic structures. A transition from the Jahn-Teller distorted O' to the pseudocubic O phase occurs between 0.3

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