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@ARTICLE{Mohanakumar:910962,
      author       = {Mohanakumar, Shilpa and Kriegs, Hartmut and Briels, Willem
                      and Wiegand, Simone},
      title        = {{O}verlapping hydration shells in salt solutions causing
                      non-monotonic {S}oret coefficients with varying
                      concentration},
      journal      = {Physical chemistry, chemical physics},
      volume       = {24},
      number       = {44},
      issn         = {1463-9076},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2022-04290},
      pages        = {27380-27387},
      year         = {2022},
      abstract     = {We investigate the thermodiffusive properties of aqueous
                      solutions of sodium iodide, potassium iodide and lithium
                      iodide, using thermal diffusion forced Rayleigh scattering
                      in a concentration range of 0.5–4 mol $kg^(-1)$ of
                      solvent, large enough to deal with associated salts, and a
                      temperature range of 15 to 45 °C. All systems exhibit
                      non-monotonic variations of the Soret coefficient $S_T$ with
                      concentration, with a minimum at one mol $kg^(-1)$ of
                      solvent in all three cases. We take this as an indication
                      that the relevant length and energy scales are very similar
                      in all cases. On this basis we develop an intuitive picture
                      in which the relevant objects are the fully hydrated salt
                      molecules, including all water molecules that behave
                      differently from bulk water. Preliminary, somewhat sketchy
                      calculations indicate that indeed Soret coefficients begin
                      to rise beyond concentrations where the fully hydrated
                      particles are randomly close packed. Indications are given
                      as to why the model will fail at large concentrations.},
      cin          = {IBI-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBI-4-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36331005},
      UT           = {WOS:000879499200001},
      doi          = {10.1039/D2CP04089A},
      url          = {https://juser.fz-juelich.de/record/910962},
}