Rare earth magnetism and ferroelectricity in RMnO3 - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: Magnetic rare earths R have been proven to have a significant effect on themultiferroic properties of the orthorhombic manganites RMnO3. A re-examinationof previous results from synchrotron based x-ray scattering experimentssuggests that symmetric exchange striction between neighboring R and Mn ionsmay account for the enhancement of the ferroelectric polarization in DyMnO3 aswell as the magnetic-field induced ferroelectricity in GdMnO3. In general,adding a second magnetic species to a multiferroic material may be a route toenhance its ferroelectric properties.



Autor: R Feyerherm, E Dudzik, O Prokhnenko, D N Argyriou

Fuente: https://arxiv.org/



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