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@ARTICLE{Yoon:16900,
      author       = {Yoon, S. and Dornseiffer, J. and Xiong, Y. and Grüner, D.
                      and Shen, Z. and Iwaya, S. and Pithan, C. and Waser, R.},
      title        = {{S}ynthesis, spark plasma sintering and electrical
                      conduction mechanism in {B}a{T}i3-{C}u composites},
      journal      = {Journal of the European Ceramic Society},
      volume       = {31},
      issn         = {0955-2219},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-16900},
      pages        = {773 - 782},
      year         = {2011},
      note         = {This work was supported by the Korea Research Foundation
                      Grant funded by the Korean Government (KRF-2007-D00124). S.
                      Yoon acknowledges support from COST Action 539
                      (COST-STSM-539-03589) of the European Union. NAMICS
                      Corporation, Niigata (Japan) is gratefully acknowledged for
                      financial support within a common collaboration project. The
                      authors are grateful to Dr. Heinz-Josef Penkalla for the
                      element specific analysis by TEM and to Dr. Detlev Hennings
                      for helpful discussion and comments.},
      abstract     = {BaTiO3-Cu composite powders were prepared via an
                      alkoxide-mediated synthesis approach. As-synthesized BaTiO3
                      nanoparticles were as small as 40 nm and coated partially
                      larger Cu particles of approximately 1 mu m in size.
                      Thermogravimetric analysis (TGA) and dilatometry revealed a
                      gradual increase in weight loss and retarded shrinkage with
                      the increase of Cu addition. BaTiO3-Cu composites were
                      successfully densified by spark plasma sintering (SPS). The
                      microstructures show an average grain-size for BaTiO3 of
                      around 100 nm and a crystallite size of about 1 mu m for the
                      Cu inclusions. The AC conductivity of the BaTiO3-Cu
                      composites increased with increasing Cu content or with
                      temperature. The dominant electrical conduction mechanism in
                      SPSed BaTiO3-Cu composites changed from migration of oxygen
                      vacancies to band conduction of trapped electrons in oxygen
                      vacancies with the increase of Cu content. (c) 2010 Elsevier
                      Ltd. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IEK-8 / PGI-7 / JARA-FIT},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-8-20101013 / I:(DE-Juel1)PGI-7-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Atmosphäre und Klima / Grundlagen für zukünftige
                      Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK491 / G:(DE-Juel1)FUEK412},
      shelfmark    = {Materials Science, Ceramics},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000287389300014},
      doi          = {10.1016/j.jeurceramsoc.2010.11.012},
      url          = {https://juser.fz-juelich.de/record/16900},
}