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SUMMARY:Deformation Pathways in Shock Compressed Silicon: Experiments and 
 Atomic Simulations - Eric Hahn\, UCSD San Diego\, California
DTSTART:20150918T123000Z
DTEND:20150918T133000Z
UID:TALK61049@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:Laser-driven shock compression of silicon has recently exposed
  a diversity of deformation pathways. In-situ measurements have identified
  the elastic-plastic transition\, partial phase changes\, and bulk disorde
 ring. Presented here will be a successful effort to recover shocked silico
 n - post-mortem microscopy shows brittle crack networks\, bulk and directi
 onal amorphization\, as well as extensive partial dislocation activity. Ma
 ssive atomic simulations help elucidate the important role of shear stress
  in these processes and the potential connections between them.
LOCATION:Room 713\, Link Room\, Cavendish Laboratory
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