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Multiferroics materials


Our group is mainly interested in using optical and Raman spectroscopy to investigated vibrational properties and electrodynamics of strongly correlated, multiferroic materials.

Materials combining different ferroic properties have recently attracted a lot of attention because of their puzzling physics and potential novel applications. Indeed, in these few systems, both ferroelectric and magnetic orderings are coupled. Hexagonal manganites RMnO3 (R is a rare earth) belong to this class of materials. When the ionic radius of R is small enough (R=Ho, Er, Tm, Yb, Lu, Y, and Sc) , rare-earth manganites RMnO3 crystallize in hexagonal structure with space group P63cm. These compounds become ferroelectric below 590–1000 K and strongly frustrated antiferromagnets below 100 K. 
 
 


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