Pressure Induced Charge Disproportionation in LaMnO$_{3}$

Details Pressure Induced Charge Disproportionation in LaMnO$_{3}$ Pressure Induced Charge Disproportionation in LaMnO$_{3}$

2004-07-02

arxiv.org/abs/cond-mat/0407069v1

Physics

Condensed Matter

Strongly Correlated Electrons

3 pages, 1 figure, Conference Proceedings: Nanospintronics: Design and Realization (Kyoto, Japan 24-28 May, 2004)

Scientific paper

10.1088/0953-8984/16/48/020

We present a total energy study as a function of volume in the cubic phase of
LaMnO$_{3}$. A charge disproportionated state into planes of
Mn$^{3+}$O$_{2}$/Mn$^{4+}$O$_{2}$ was found. It is argued that the pressure
driven localisation/delocalisation transition might go smoothly through a
region of Mn$^{3+}$ and Mn$^{4+}$ coexistence.

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