Pressure-induced insulator-metal transition in EuMnO3

Abstract

We study the influence of external pressure on the electronic and magnetic structure of EuMnO3 from first-principles calculations. We find a pressure-induced insulator-metal transition at which the magnetic order changes from A-type antiferromagnetic to ferromagnetic with a strong interplay with Jahn-Teller distortions. In addition, we find that the non-centrosymmetric E*-type antiferromagnetic order can become nearly degenerate with the ferromagnetic ground state in the high-pressure metallic state. This situation can be exploited to promote a magnetically-driven realization of a non-centrosymmetric (ferroelectric) metal.

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Cited by in corpus (4)

• Uniaxial strain control of bulk ferromagnetism in rare-earth titanates
• A comparative study of nonequilibrium insulator-to-metal transitions in electron-phonon systems
• Pressure-Driven Transitions in La2CoTiO6: Antiferromagnetic Insulator to Nonmagnetic Metal via Antiferromagnetic Metal in a Double Perovskite Oxide
• Strain-induced heteronuclear charge disproportionation in EuMnO${}_3$