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CATEGORIES:Physics and Chemistry of Solids Group
SUMMARY:Role of computer simulations in understanding surf
 ace processes - Lev Kantorovich\, Department of Ph
 ysics\, King's College\, London
DTSTART;TZID=Europe/London:20120503T160000
DTEND;TZID=Europe/London:20120503T170000
UID:TALK36984AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/36984
DESCRIPTION:In this talk I'll review several projects we worke
 d on over the last 2-3 years related to self-assem
 bly of organic molecules on the gold surface and  
 NC-AFM imaging of Si(001) and Cu(110):O surfaces. 
 In self-assembly our primary interest is not only 
 limited to studying assemblies geometries and thei
 r energetics although due attention has been indee
 d devoted to this\, especially to the role the van
  der Waals interaction plays in stabilising the ne
 tworks\; we also studied kinetics of assemblies fo
 rmation. Concerning the theme of NC-AFM imaging\, 
 I'll consider two recent examples in which the rol
 e of theory was crucial in interpreting the experi
 ment: (i) flipping of Si dimers on the Si(001) sur
 face with the tip\, and (ii) tip fingerprinting us
 ing the Cu(110):O surface. In the latter case we a
 lso looked into thermodynamics of surface terminat
 ions where the role of the vdW interaction was fou
 nd to be essential\, and I'll mention this as well
 \,\ntime permitting.
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Departm
 ent of Physics
CONTACT:Stephen Walley
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