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@ARTICLE{Nouhi:889063,
      author       = {Nouhi, Shirin and Koutsioumpas, Alexandros and Kapaklis,
                      Vassilios and Rennie, Adrian R.},
      title        = {{D}istortion of surfactant lamellar phases induced by
                      surface roughness},
      journal      = {European physical journal special topics},
      volume       = {229},
      number       = {17-18},
      issn         = {1951-6401},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {FZJ-2021-00006},
      pages        = {2807 - 2823},
      year         = {2020},
      abstract     = {Self-assembly is a characteristic property of soft matter.
                      Understanding the factors which assist or perturb this
                      process is of great importance in many biological and
                      industrial processes. Amphiphiles self-assemble and order
                      into a variety of structures including well-ordered lamellar
                      phases. The present work uses neutron reflectometry and
                      neutron scattering to explore the effects of both interface
                      roughness and temperature on the lamellar-phase structure of
                      a non-ionic surfactant at a solid/liquid interface. The
                      structure of concentrated solutions of tetraethyleneglycol
                      dodecyl ether has been compared against a smooth surface and
                      one with a roughness of the order of the lamellar spacing.
                      This has been done in order to investigate the role
                      perturbations have on the overall lamellar order, when these
                      have length scales of the order of the interactions between
                      neighboring lamellae. The results showed that the surfactant
                      forms a well-ordered and aligned structure at a smooth
                      surface, extending to a depth of several micrometers from
                      the interface. Increasing the temperature of the sample and
                      subsequent cooling promotes alignment and increases the
                      number of oriented layers at the surface. The same sample
                      forms a significantly less aligned structure against a rough
                      surface that does not align to the same extent, even after
                      heating. The perturbation of the structure caused by thermal
                      fluctuations was found to be much less than that imposed by
                      a small surface roughness.},
      cin          = {JCNS-FRM-II / JCNS-1 / MLZ / JCNS-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-4-20201012},
      pnm          = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)MARIA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000590141900006},
      doi          = {10.1140/epjst/e2020-900220-3},
      url          = {https://juser.fz-juelich.de/record/889063},
}