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@ARTICLE{Roth:807071,
      author       = {Roth, F. and Schmerbauch, C. and Ionescu, E. and Nicoloso,
                      N. and Guillon, Olivier and Riedel, R.},
      title        = {{H}igh-temperature piezoresistive {C} / {S}i{OC} sensors},
      journal      = {Journal of sensors and sensor systems},
      volume       = {4},
      number       = {1},
      issn         = {2194-878X},
      address      = {Göttingen},
      publisher    = {Copernicus Publ.},
      reportid     = {FZJ-2016-02102},
      pages        = {133 - 136},
      year         = {2015},
      abstract     = {Here we report on the high-temperature piezoresistivity of
                      carbon-containing silicon oxycarbide nanocomposites (C /
                      SiOC). Samples containing 13.5 $vol\%$ segregated carbon
                      have been prepared from a polysilsesquioxane via thermal
                      cross-linking, pyrolysis and subsequent hot-pressing. Their
                      electrical resistance was assessed as a function of the
                      mechanical load (1–10 MPa) and temperature (1000–1200
                      °C). The piezoresistive behavior of the C / SiOC
                      nanocomposites relies on the presence of dispersed
                      nanocrystalline graphite with a lateral size ≤ 2 nm and
                      non-crystalline carbon domains, as revealed by Raman
                      spectroscopy. In comparison to highly ordered carbon
                      (graphene, HOPG), C / SiOC exhibits strongly enhanced k
                      factor values, even upon operation at temperatures beyond
                      1000 °C. The measured k values of about 80 ± 20 at the
                      highest temperature reading (T = 1200 °C) reveal that C /
                      SiOC is a primary candidate for high-temperature
                      piezoresistive sensors with high sensitivity.},
      cin          = {IEK-1 / JARA-ENERGY},
      ddc          = {621.3},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000364051800017},
      doi          = {10.5194/jsss-4-133-2015},
      url          = {https://juser.fz-juelich.de/record/807071},
}