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has been cited by the following article:

• TITLE: Effect of Pyrolysis Temperature on the Electrical Behavior of Polymer-Derived SiOCN Ceramic

  AUTHORS: Yan Li, Yuxi Yu, Haisheng San, Qingkai Han, Linan An

  KEYWORDS: Polymer Derived SiOCN Ceremic, Free Carbon, Activation Energy

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.3 No.10, October 29, 2015

  ABSTRACT: The conductivity of polymer-derived SiOCN ceramics exhibited an Arrhenius dependence on pyrolysis temperature, with the activation energy of ~3.95 eV. The formation and structure change of the free carbon phase were detected by means of electron spin resonance spectroscopy and X-ray photoelectron spectroscopy. It reveals that the number of dangling bonds on the free carbon is increased as pyrolysis temperature increases, with the activation energy of ~3.87 eV. So it is demonstrated that the pyrolysis-temperature induced increase in the conductivity is mainly attributed to the increase of dangling on the graphite-like carbon.