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@ARTICLE{Rok:863682,
      author       = {Rok, M. and Bator, G. and Zarychta, B. and Dziuk, B. and
                      Repeć, J. and Medycki, W. and Zamponi, M. and Usevičius,
                      G. and Šimėnas, M. and Banys, J.},
      title        = {{I}sostructural phase transition, quasielastic neutron
                      scattering and magnetic resonance studies of a bistable
                      dielectric ion-pair crystal [({CH}3)2 {NH}2]2 {KC}r({CN})6},
      journal      = {Dalton transactions},
      volume       = {48},
      number       = {13},
      issn         = {0300-9246},
      address      = {London},
      publisher    = {Soc.},
      reportid     = {FZJ-2019-03688},
      pages        = {4190 - 4202},
      year         = {2019},
      abstract     = {We have synthesised and characterised a novel
                      organic–inorganic hybrid crystal, [(CH3)2NH2]2KCr(CN)6.
                      The thermal DSC, TMA, DTG and DTA analyses indicate two
                      solid-to-solid structural phase transitions (PTs). According
                      to the X-ray diffraction experiments, the first PT at 220 K
                      is isostructural, since it does not involve a change of the
                      space group. This transition occurs between the states,
                      where the (CH3)2NH2+ cations are orientationally disordered
                      and ordered (frozen). The other reversible PT at 481 K leads
                      to a melt-like phase similar to the one observed in plastic
                      crystals or polar liquids. Dielectric spectroscopy has been
                      used to characterise the switching properties of the dipole
                      moments in the vicinity of the PTs. Continuous-wave electron
                      paramagnetic resonance spectroscopy was employed to
                      investigate the effect of ordering on the local environment
                      of the Cr3+ ions. We have also applied the quasielastic
                      neutron scattering (QENS) technique as well as 1H NMR
                      spectroscopy to measure the dynamics of the (CH3)2NH2+
                      cations residing in the inorganic framework.},
      cin          = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)SPHERES-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30821302},
      UT           = {WOS:000463676700010},
      doi          = {10.1039/C8DT05082A},
      url          = {https://juser.fz-juelich.de/record/863682},
}