Electron gas at the interface between two antiferromagnetic insulating manganites

M. J. Calderon; J. Salafranca; L. Brey

doi:10.1103/physrevb.78.024415

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arXiv · 0804.3454

Electron gas at the interface between two antiferromagnetic insulating manganites

M. J. Calderon·J. Salafranca·L. Brey

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Abstract

We study theoretically the magnetic and electric properties of the interface between two antiferromagnetic and insulating manganites: La0.5Ca0.5MnO3, a strong correlated insulator, and CaMnO3, a band-insulator. We find that a ferromagnetic and metallic electron gas is formed at the interface between the two layers. We confirm the metallic character of the interface by calculating the in-plane conductance. The possibility of increasing the electron gas density by selective doping is also discussed.

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M. J. Calderon, J. Salafranca, L. Brey. 2008-04-22. Electron gas at the interface between two antiferromagnetic insulating manganites. https://doi.org/10.1103/physrevb.78.024415

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