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@ARTICLE{Schlenk:859962,
      author       = {Schlenk, Mathias and Hofmann, Eddie and Seibt, Susanne and
                      Rosenfeldt, Sabine and Schrack, Lukas and Drechsler, Markus
                      and Rothkirch, Andre and Ohm, Wiebke and Breu, Josef and
                      Gekle, Stephan and Förster, Stephan},
      title        = {{P}arallel and {P}erpendicular {A}lignment of {A}nisotropic
                      {P}articles in {F}ree {L}iquid {M}icrojets and {E}merging
                      {M}icrodroplets},
      journal      = {Langmuir},
      volume       = {34},
      number       = {16},
      issn         = {1520-5827},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2019-00768},
      pages        = {4843 - 4851},
      year         = {2018},
      abstract     = {Liquid microjets play a key role in fiber spinning, inkjet
                      printing, and coating processes. In all of these
                      applications, the liquid jets carry dispersed particles
                      whose spatial and orientational distributions within the jet
                      critically influence the properties of the fabricated
                      structures. Despite its importance, there is currently no
                      knowledge about the orientational distribution of particles
                      within microjets and droplets. Here, we demonstrate a
                      microfluidic device that allows to determine the local
                      particle distribution and orientation by X-ray scattering.
                      Using this methodology, we discovered unexpected changes in
                      the particle orientation upon exiting the nozzle to form a
                      free jet, and upon jet break-up into droplets, causing an
                      unusual biaxial particle orientation. We show how flow and
                      aspect ratio determine the flow orientation of anisotropic
                      particles. Furthermore, we demonstrate that the observed
                      phenomena are a general characteristic of anisotropic
                      particles. Our findings greatly enhance our understanding of
                      particle orientation in free jets and droplets and provide a
                      rationale for controlling particle alignment in liquid
                      jet-based fabrication methodologies.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29528234},
      UT           = {WOS:000431088500015},
      doi          = {10.1021/acs.langmuir.8b00062},
      url          = {https://juser.fz-juelich.de/record/859962},
}