Reduction of the ordered magnetic moment in YMnO3 with hydrostatic pressure

Physics – Condensed Matter – Strongly Correlated Electrons

Scientific paper

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Scientific paper

10.1088/0953-8984/17/42/L01

YMnO3 exhibits a ferroelectric transition at high temperature (~ 900 K) and magnetic ordering at T_N ~ 70 K where the dielectric constant shows an anomaly indicative of the magneto-dielectric effect. Here we report powder neutron diffraction experiments in this compound that show that the magnetic moment at saturation is reduced by application of hydrostatic pressure. Our results yield further insight about the nature of the spin-lattice interaction in ferroic materials.

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