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Trinity College Dublin

First principles modeling of multiferroic and magneto-electric materials

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Dr Claude Ederer
Materials where magnetization and electric polarization coexist (multiferroics) and/or are coupled (magneto-electrics) offer tremendous potential for future applications as sensors, switches, actuators, or memory devices. Of particular interest is the possibility to control magnetic properties using electric fields and vice versa. However, until very recently only few such materials were known, and the underlying mechanisms were not well understood. This project aims at developing a good physical understanding of magneto-electric and multi-ferroic properties of complex oxides, both in bulk form and in nano-composites, and to identify promising new materials for future device applications. To this effect, we are using first principles electronic structure calculations and combine the results of these calculations with simplified models and symmetry analyis.
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Last updated 28 Oct 2011Contact Research IT.