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@ARTICLE{Knig:903156,
      author       = {König, Björn and Ronsin, Olivier J. J. and Harting, Jens},
      title        = {{T}wo-dimensional {C}ahn–{H}illiard simulations for
                      coarsening kinetics of spinodal decomposition in binary
                      mixtures},
      journal      = {Physical chemistry, chemical physics},
      volume       = {23},
      number       = {43},
      issn         = {1463-9076},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2021-04880},
      pages        = {24823 - 24833},
      year         = {2021},
      abstract     = {The evolution of the microstructure due to spinodal
                      decomposition in phase separated mixtures has astrong impact
                      on the final material properties. In the late stage of
                      coarsening, the system ischaracterized by the growth of a
                      single characteristic length scale LBCta. To understand
                      thestructure–property relationship, the knowledge of the
                      coarsening exponent aand the coarsening rateconstant Cis
                      mandatory. Since the existing literature is not entirely
                      consistent, we perform phase fieldsimulations based on the
                      Cahn–Hilliard equation. We restrict ourselves to binary
                      mixtures using asymmetric Flory–Huggins free energy and a
                      constant composition-independent mobility term and showthat
                      the coarsening for off-critical mixtures is slower than the
                      expected t1/3-growth. Instead, we find atobe dependent on
                      the mixture composition and associate this with the observed
                      morphologies. Finally,we propose a model to describe the
                      complete coarsening kinetics including the rate constant C.},
      cin          = {IEK-11},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-11-20140314},
      pnm          = {1215 - Simulations, Theory, Optics, and Analytics (STOA)
                      (POF4-121) / DFG project 449539983 - Prozess-Struktur
                      Relationen für die lösungsmittelbasierte organische
                      Photovoltaik},
      pid          = {G:(DE-HGF)POF4-1215 / G:(GEPRIS)449539983},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {34714899},
      UT           = {WOS:000712542700001},
      doi          = {10.1039/D1CP03229A},
      url          = {https://juser.fz-juelich.de/record/903156},
}