University of Birmingham > Talks@bham > Condensed Matter Physics Seminars > Exploring magneto-electric multiferroics through resonant x-ray diffraction

Exploring magneto-electric multiferroics through resonant x-ray diffraction

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  • UserDr. Thomas Beale, University of Durham
  • ClockFriday 12 November 2010, 14:00-15:00
  • HousePhysics East 217.

If you have a question about this talk, please contact Elizabeth Blackburn.

Mutliferroic materials, and in particular magneto-electric multiferroics are of great interest due to the strong coupling between the magnetic and ferroelectric state. Aside from this being a peculiar physical phenomena, as one would normally expect these two order parameters to be incompatible, it opens up the potential for hybrid magnetoelectric devices, where an electric field can be used to drive a magnetic switch.

Resonant x-ray scattering has long been used to study the magnetic structures of materials, often promoted through the elemental selectivity obtained at different absorption edges. However, until recently resonant scattering of transition metals used the metal K-edges, probing the delocalised 4p electron bands. In this seminar I will present results taken at the transition metal L edges of magneto-electric materials. This experimental technique directly probes the magnetic 3d bands,and furthermore through soft x-ray scattering we are even sensitive to induced magnetic moments on the oxygen ions.

This talk is part of the Condensed Matter Physics Seminars series.

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