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@ARTICLE{Guin:828744,
      author       = {Guin, M. and Dashjav, E. and Kumar, C. M. N. and Tietz, F.
                      and Guillon, O.},
      title        = {{I}nvestigation of crystal structure and ionic transport in
                      a scandium-based {NASICON} material by neutron powder
                      diffraction},
      journal      = {Solid state sciences},
      volume       = {67},
      issn         = {1293-2558},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-02610},
      pages        = {30 - 36},
      year         = {2017},
      abstract     = {A study of the series Na3+xSc2SixP3-xO12 (0 < x < 0.8)
                      revealed very high ionic conductivity values at room
                      temperature. The structural investigation of the
                      substitutional disorder and position of the very mobile Na+
                      ions in the crystal structure is the key to understanding
                      the structure-property-chemical bonding relationships.
                      Therefore neutron powder diffraction was carried out at 300
                      and 100 K on Na3.4Sc2Si0.4P2.6O12 to refine the structural
                      parameters and to elucidate the Na+ distribution in the
                      crystal structure.The refinement of the structure revealed
                      that two phases are present, one rhombohedral Si-rich phase
                      and one monoclinic Na3Sc2P3O12 phase. The ratio of the two
                      phases is 1:1 and they possess similar lattice parameters.
                      The hopping distances of the Na+ ions and the size of the
                      bottleneck for Na+ conduction were calculated and explained
                      the high conductivity of the sample.},
      cin          = {IEK-1 / IEK-12 / JARA-ENERGY / JCNS-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-12-20141217 /
                      $I:(DE-82)080011_20140620$ / I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000401049200006},
      doi          = {10.1016/j.solidstatesciences.2017.03.005},
      url          = {https://juser.fz-juelich.de/record/828744},
}