QIU, R.; CANO, Andres; BOUSQUET, Éric

doi:10.1088/1361-648X/aa75be

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QIU, R.
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Physique Théorique des Matériaux

CANO, Andres
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

BOUSQUET, Éric
Physique Théorique des Matériaux

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Journal of Physics: Condensed Matter. 2017, vol. 29, n° 30, p. 305801 (9 p.)

IOP Publishing

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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.< Leer menos

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Pressure-induced insulator-metal transition in EuMnO3

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