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SUMMARY:Magnetic frustration and ferroelectricity - Maxim Mostovoy (Rijksu
 niversiteit Groningen)
DTSTART:20061101T111500Z
DTEND:20061101T121500Z
UID:TALK5550@talks.cam.ac.uk
CONTACT:Michael Sutherland
DESCRIPTION:The search for multiferroic materials\, where ferroelectricity
  and\nmagnetism are coupled\, has a long history. Until recently it was\nb
 elieved that these two orders rarely coexist and the interplay between\nth
 em is weak. The breakthrough occurred with the discovery of frustrated\nma
 gnets showing strong sensitivity of electric polarization and\ndielectric 
 constant to applied magnetic fields. In my talk I will focus\non the relat
 ionship between magnetic frustration and ferroelectricity\,\nand discuss m
 icroscopic mechanisms inducing electric polarization in\nmagnetically orde
 red states as well as phenomenological description of\nspectacular effects
  observed in frustrated magnets. I will also explore\nthe possibility to f
 ind similar phenomena in thin ferromagnetic films\,\nwhere electric polari
 zation can be induced by domain wall patterns.\n
LOCATION:Small Lecture Theatre\, Cavendish Laboratory (**Note non-standard
  location**)
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