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Laser lonization Time of Flight Mass Spectrometry Study of Silicon Oxycarbide Glasses

机译:碳化硅玻璃的激光电离飞行时间质谱研究

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摘要

For the first time, a laser ionization time of flight mass spectrometry (LI-TOFS) characterization has been performed on silicon oxycarbide glasses obtained by pyrolysis of sol-gel precursors. This technique allows to desorb intermediate range mesounits from the network, and to determine their mass and atomic identity precisely. It is therefore complementary to all the other analysis typically performed on SiOC glasses as it leads to collect information on a length scale which is usually difficult to probe: the medium range. The results indicate the presence, in the SiOC glasses, of mixed silicon oxycarbide units together with pure silicate mesounits (SiO_2 and SiO_3).
机译:首次在通过溶胶-凝胶前体热解获得的碳氧化硅玻璃上进行了激光电离飞行时间质谱(LI-TOFS)表征。该技术允许从网络中解吸中间范围的介观单元,并精确确定其质量和原子身份。因此,它与通常在SiOC玻璃上进行的所有其他分析互补,因为它可以收集通常难以探测的长度范围的信息:中等范围。结果表明在SiOC玻璃中存在混合的碳氧化硅单元和纯硅酸盐介孔单元(SiO_2和SiO_3)。

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  • 来源
    《Journal of the American Ceramic Society》 |2012年第12期|3729-3731|共3页
  • 作者单位

    Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Universita di Trento, Via Mesiano 77, Trento 38123, Italy;

    Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Universita di Trento, Via Mesiano 77, Trento 38123, Italy,Sensor Lab, University of Brescia and CNR-IDASC, Brescia I- 25133, Italy;

    Department of Physics, Coe College, Cedar Rapids, Iowa;

    Department of Physics, Coe College, Cedar Rapids, Iowa;

    Department of Physics, Coe College, Cedar Rapids, Iowa;

    Department of Physics, Coe College, Cedar Rapids, Iowa;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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  • 入库时间 2022-08-17 13:39:00

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