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@ARTICLE{Lee:172057,
      author       = {Lee, Shu-Han and Lai, Yen-Chung and Du, Chao-Hung and Kao,
                      Ying-Jer and Siegenfeld, Alexander F. and Hatton, Peter D.
                      and Prabhakaran, D. and Su, Yixi and Huang, Di-Jing},
      title        = {{I}nverse {M}elting of an {E}lectronic {L}iquid {C}rystal},
      reportid     = {FZJ-2014-05606},
      year         = {2014},
      note         = {7 pages, 7 figures},
      abstract     = {Inverse melting refers to the rare thermodynamic phenomenon
                      in which a solid melts into a liquid upon cooling, a
                      transition that can occur only when the ordered (solid)
                      phase has more entropy than the disordered (liquid) phase,
                      and that has so far only been observed in a handful of
                      systems. Here we report the first experimental observation
                      for the inverse melting of an electronic liquid crystalline
                      order in strontium-doped lanthanum nickelate, a compound
                      isostructural with the superconducting cuprates, with a hole
                      doping concentration of 1/3. Using x-ray scattering, we
                      demonstrate that the isotropic charge modulation is driven
                      to nematic order by fluctuating spins and shows an inverse
                      melting transition. Using a phenomenological Landau theory,
                      we show that this inverse melting transition is due to the
                      interlayer coupling between the charge and spin orders. This
                      discovery points to the importance of the interlayer
                      correlations in the system, and provides a new perspective
                      to study the intricate nature of the electronic liquid
                      crystal phases in strongly correlated electronic systems,
                      including possibly the Cu- and Fe-based high-Tc
                      superconductors.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-2},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {54G - JCNS (POF2-54G24) / 544 - In-house Research with PNI
                      (POF2-544) / 424 - Exploratory materials and phenomena
                      (POF2-424)},
      pid          = {G:(DE-HGF)POF2-54G24 / G:(DE-HGF)POF2-544 /
                      G:(DE-HGF)POF2-424},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {1410.6886},
      howpublished = {arXiv:1410.6886},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1410.6886;\%\%$},
      url          = {https://juser.fz-juelich.de/record/172057},
}