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@ARTICLE{Molak:8279,
      author       = {Molak, A. and Pawelczyk, M. and Kubacki, J. and Szot, K.},
      title        = {{N}ano-scale chemical and structural segregation induced in
                      surface layer of {N}a{N}b{O}3 crystals with thermal
                      treatment at oxidising conditions studied by {XPS}, {AFM},
                      {XRD}, and electric properties tests},
      journal      = {Phase transitions},
      volume       = {82},
      issn         = {0141-1594},
      address      = {London [u.a.]},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {PreJuSER-8279},
      pages        = {662 - 682},
      year         = {2009},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The process of ionic segregation in the surface layer
                      induced by the thermal treatment of the NaNbO3 crystal was
                      studied. The study of the as grown crystal and the crystal
                      heated at 970 K in ambient air was carried out for
                      comparison. The changes in the concentration of the elements
                      within the surface layer were determined using XPS
                      measurements. The AFM technique was applied to determine the
                      surface morphology related to nano-scale transformation. The
                      possibility of appearance of the Ruddlesden-Popper phases
                      was detected by the XRD test. The change in the features of
                      the electric permittivity, the loss tangent, and the
                      electric conductivity was ascribed to the marked
                      participation of the chemically modified surface layer in
                      the measured effective electrical properties.},
      keywords     = {J (WoSType)},
      cin          = {IFF-6 / JARA-FIT},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB786 / $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Crystallography / Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000272083300002},
      doi          = {10.1080/01411590903341155},
      url          = {https://juser.fz-juelich.de/record/8279},
}