Novel binary and ternary phases in the Si-C-N system(<Feature>SiAlons and Non-oxides)

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概要

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• The present article reviews recent advances in synthesis of novel phases in the ternary Si-C-N system. A dense carbon nitride phase, C_2N_2(NH), was synthesized for the first time at high pressures and high temperatures in a laser heated diamond anvil cell (LH-DAC). Based on results of electron diffraction, EELS- and SIMS-measurements combined with theoretical calculations the structure of this new C-N-H compound was analysed to be a defect wurtzite structure of the sinoite (Si_2N_2O)-type. Farther, a variety of amorphous SiCN phases and the first ternary crystalline phases, namely Si(NCN)_2 and Si_2N_2(NCN), were synthesized at ambient pressure. In general, the high-pressure polymorphs of Si-C-N materials are predicted to exhibit a unique combination of high hardness, thermal stability and oxidation resistance with interesting optoelectronic properties.

• 社団法人日本セラミックス協会の論文
• 2008-06-01

著者

• KLEEBE Hans-Joachim

  Institut fur Materialforschung, Universitat Bayreuth

• Riedel Ralf

  Disperse Feststoffe Material- Und Geowissenschaften Technische Universitat Darmstadt

• Kleebe Hans-joachim

  Institute Fur Angewandte Geowissenschaften Material- Und Geowissenschaften Technische Universitat Da

• Kleebe Hans-joachim

  Institut Fur Materialforschung Universitat Bayreuth

• HORVATH-BORDON Elisabeta

  Disperse Feststoffe, Material- und Geowissenschaften, Technische Universitat Darmstadt

• KROLL Peter

  Department of Chemistry, University of Texas at Arlington

• MIEHE Gerhard

  Disperse Feststoffe, Material- und Geowissenschaften, Technische Universitat Darmstadt

• DZIVENKO Dmytro

  Disperse Feststoffe, Material- und Geowissenschaften, Technische Universitat Darmstadt

• van AKEN

  Max-Planck-Institut fur Metallforschung

• LAUTERBACH Stefan

  Institute fur Angewandte Geowissenschaften, Material- und Geowissenschaften, Technische Universitat

• Kroll Peter

  Department Of Chemistry University Of Texas At Arlington

• Miehe Gerhard

  Disperse Feststoffe Material- Und Geowissenschaften Technische Universitat Darmstadt

• Dzivenko Dmytro

  Disperse Feststoffe Material- Und Geowissenschaften Technische Universitat Darmstadt

• Lauterbach Stefan

  Institute Fur Angewandte Geowissenschaften Material- Und Geowissenschaften Technische Universitat Da

• Horvath-bordon Elisabeta

  Disperse Feststoffe Material- Und Geowissenschaften Technische Universitat Darmstadt

関連論文

• Si-Ti-C-O繊維/SiO_2ガラス複合体中でその場形成される界面構造に関する熱力学的考察
• フッ素含有Si_3N_4/SiC複合材の界面凝集エネルギーと靭性
• Na_3PO_4添加ハイドロキシアパタイトの微細組織とマイクロクラックの生成
• Novel binary and ternary phases in the Si-C-N system(SiAlons and Non-oxides)
• フッ素添加Si_3N_4-SiCセラミックスの機械的性質に及ぼす界面構造の影響
• 透過型電子顕微鏡による窒化ケイ素セラミックスの粒界構造とその化学に関する研究

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