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首页> 外文期刊>Materials Science and Engineering >Solution derived 12CaO·7Al_2O_3 thin films on MgO(100) substrate
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Solution derived 12CaO·7Al_2O_3 thin films on MgO(100) substrate

机译：在MgO（100）衬底上溶液衍生12CaO·7Al_2O_3薄膜

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摘要

12CaO·7Al_2O_3 (C12A7) is known as a component of alumina cement and shows various remarkable properties: generation of high oxidizing power using oxygen radical O~-, high electric conductivity (～1500Scm~(-1)) for the electron clathrated one, etc. Most of the C12A7 thin film fabrication processes reported have been based on PLD method so far, which require high vacuum level and high energy consumption. In order to fabricate the C12A7 films with low energy consumption process, we prepared C12A7 films on MgO( 100) substrate by chemical solution deposition (CSD) method from alkoxide solution. Aluminum sec.-butoxide and calcium metal were used as raw materials, and 2-methoxy ethanol was used as a solvent. Crystallization behavior, crystal structure, and morphology of the prepared film, were investigated by XRD, SEM, and TG-DTA. The C12A7 film prepared by the CSD method was mostly polycrystalline, but it showed high peak intensity at (211) and (422) reflection compared to the powder C12A7 peaks. This implied the C12A7 film includes slightly (211) oriented grains among the polycrystalline on the MgO(100) substrate.
机译：12CaO·7Al_2O_3（C12A7）被称为氧化铝水泥的一种成分，并显示出各种显着的性能：利用氧自由基O〜-产生高氧化能力，电子包合的高电导率（〜1500Scm〜（-1）），迄今为止，报道的大多数C12A7薄膜制造工艺都基于PLD方法，这需要高真空度和高能耗。为了用低能耗的工艺制造C12A7薄膜，我们采用化学溶液沉积法（CSD）从醇盐溶液中在MgO（100）衬底上制备了C12A7薄膜。将仲丁醇铝和金属钙用作原料，并将2-甲氧基乙醇用作溶剂。用XRD，SEM和TG-DTA研究了所制备薄膜的结晶行为，晶体结构和形貌。通过CSD方法制备的C12A7膜大部分为多晶，但与粉末C12A7峰相比，它在（211）和（422）反射处显示出高峰强度。这意味着C12A7膜在MgO（100）衬底上的多晶中包括略微（211）取向的晶粒。

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  • 来源
    《Materials Science and Engineering》 |2010年第3期|P.21-24|共4页
  • 作者

    Naonori Sakamoto; Yuki Matsuyama; Masahito Hori; Naoki Wakiya; Hisao Suzuki;

  • 作者单位

    Department of Materials Science and Chemical Engineering, Shizuoka University. 3-5-1 Johoku, Naka-ku, Hamamatsu, Shizuoka 432-8561. Japan;

    rnGraduate School of Engineering. Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu. Shizuoka 432-8561, Japan;

    rnGraduate School of Engineering. Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu. Shizuoka 432-8561, Japan;

    rnDepartment of Materials Science and Chemical Engineering, Shizuoka University. 3-5-1 Johoku, Naka-ku, Hamamatsu, Shizuoka 432-8561. Japan;

    rnGraduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu, Shizuoka 432-8561, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    12CaO·7Al_2O_3; Solution process; low temperature process;

    机译：12CaO·7Al_2O_3;溶解过程;低温过程;

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