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@ARTICLE{Kolmangadi:480192,
      author       = {Kolmangadi, Mohamed and Smales, Glen J. and ZhuoQing, Li
                      and Yildirim, Arda and Wuckert, Eugen and Eutionnat, Sandy
                      and Demel, Felix and Huber, Patrick and Laschat, Sabine and
                      Schönhals, Andreas},
      title        = {{S}ide {C}hain {L}ength-{D}ependent {D}ynamics and
                      {C}onductivity in {S}elf-{A}ssembled {I}on {C}hannels},
      journal      = {The journal of physical chemistry / C},
      volume       = {126},
      number       = {27},
      issn         = {1932-7447},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PUBDB-2022-03558},
      pages        = {10995 - 11006},
      year         = {2022},
      note         = {Waiting for fulltext},
      abstract     = {We study the molecular mobility and electrical conductivity
                      of a homologous series of linear shaped columnar ionic
                      liquid crystals ILCn, (n = 8, 10, 12, 14, 16) using
                      broadband dielectric spectroscopy (BDS), specific heat
                      spectroscopy (SHS), and X-ray scattering. We aim to
                      understand how the alkyl chain length influences the
                      dynamics and electric conductivity in this system. Two
                      dielectrically active relaxation modes are observed, the
                      $γ$ and the $α_{core}$ process, that correspond to the
                      localized fluctuations of the alkyl chains and cooperative
                      motions of the aromatic core in the columns, respectively.
                      Both the $γ$ relaxation and the $α_{core}$ process slow
                      down with increasing alkyl chain length. SHS reveals one
                      relaxation process, the $α_{alkyl}$ process that has a
                      similar temperature dependence as that of the $α_{core}$
                      process for ILC12, 14, and 16 but shifts to higher
                      temperature for ILC8 and 10. For ILC12, 14, and 16, the
                      absolute values of DC conductivity increase by 4 orders of
                      magnitude at the transition from the plastic crystalline to
                      hexagonal columnar phase. For ILC8 and 10, the DC
                      conductivity behavior is similar to ionic liquids, where the
                      conductivity is coupled with structural relaxation.
                      Small-angle X-ray investigations reveal that both the
                      intercolumnar distance and the disorder coherence length
                      increase with alkyl chain length; conversely, the DC
                      conductivity decreases monotonically.},
      cin          = {CIMMS / TUHH},
      ddc          = {530},
      cid          = {I:(DE-H253)CIMMS-20211022 / I:(DE-H253)TUHH-20210331},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631)},
      pid          = {G:(DE-HGF)POF4-631},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000829840300001},
      doi          = {10.1021/acs.jpcc.2c03023},
      url          = {https://bib-pubdb1.desy.de/record/480192},
}