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SUMMARY:The magnetic structure and dynamics of the MPS3 family (M=Mn\, Fe\
 , Co\, Ni) - Dr Andrew Wildes - Institut Laue-Langevin\, Grenoble.
DTSTART:20160120T111500Z
DTEND:20160120T121500Z
UID:TALK63192@talks.cam.ac.uk
CONTACT:Helen Verrechia
DESCRIPTION:The MPX3 (M=transition metal\, X=S\,Se) family of compounds ha
 ve layered structures\, with atomic planes that are weakly bound by van de
 r Waals forces.  This puts them in the same class of materials as graphite
 \, and they share further similarities as\, like graphite\, the metal atom
 s form a honeycomb lattice in the strongly bound atomic planes.  \n\nTheir
  electronic and optic properties have been extensively studied\, as well a
 s the potential for interplanar intercalation\, as they have potential app
 lications as semiconductors\, photorefractive materials\, and battery appl
 ications.  Their magnetic properties\, however\, have been largely overloo
 ked.  This is a pity\, because members of the family are excellent physica
 l representations of model magnetic systems.  Furthermore\, changing the m
 etal cation results in a significant change in the type of model magnetism
 \, making the family an excellent test bed for the study of magnetic aniso
 tropy and frustration.\n\nThis presentation will discuss work on the magne
 tic structure and dynamics of the MPS3 members of the family\, showing the
  significant errors in previously established results and highlighting rec
 ent surprising discoveries\, including multiferroic behaviour and unusual 
 critical dynamics.\n
LOCATION:Small Lecture Theatre\, Room 133\, Cavendish Laboratory\, Departm
 ent of Physics
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