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SUMMARY:Michael Dimitriyev\, "Transformations and defect structures in liq
 uid networks"
DTSTART:20260728T120000Z
DTEND:20260728T130000Z
DTSTAMP:20260730T120400Z
UID:indico-event-4010@indico.ijs.si
CONTACT:anze.bozic@ijs.si
DESCRIPTION:The lyotropic liquid crystals formed by amphiphiles include la
 mellar and cylindrical phases with smectic A and columnar order\, respecti
 vely\, representing both 2D and 1D layered liquids. Bicontinuous networks 
 form at intermediate compositions and consist of liquid-like interfaces\, 
 combining both layer and cylindrical geometries\, that percolate all three
  dimensions. Of the bicontinuous networks\, the predominant structures are
  based on gyroid\, diamond\, and primitive minimal surfaces\, all of which
  have cubic crystal symmetries. While possessing a rigidity and 3D elastic
 ity description of conventional solids\, mass transport along interfaces l
 ead to complex\, non-affine relaxation modes. We consider a liquid network
  model that is able to capture the non-affine deformations observed in bic
 ontinuous networks formed by block copolymers. We additionally identify to
 pology-preserving transformation pathways between different network phases
  enabled by mass transport along interfaces\, uncovering conditions under 
 which the bicontinuous double diamond is a transition state between stable
  double gyroid and a metastable tetragonal network phase. Finally\, we con
 sider a new model of the general structure and free energy of inhomogeneou
 s deformations and defects in bicontinuous networks.\n\nhttps://indico.ijs
 .si/event/4010/
LOCATION:C/2-X - F1 čajnica (Jamova)
URL:https://indico.ijs.si/event/4010/
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