Synthesis and Impedance Spectroscope of B-Doped La_(9.33+x/3)(SiO_4)_(6-x)(BO_4)_xO_2 Apatite Oxide Ion Conductor

Zhao Xiang Huang; Kan Yu; Jun Liang; Xiao Li Sheng

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Synthesis and Impedance Spectroscope of B-Doped La_(9.33+x/3)(SiO_4)_(6-x)(BO_4)_xO_2 Apatite Oxide Ion Conductor

机译：B掺杂La_（9.33 + x / 3）（SiO_4）_（6-x）（BO_4）_xO_2磷灰石氧化物离子导体的合成和阻抗谱

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B_2O_3 was doped into the oxide ion conductor La_(9.33)(SiO_4)_6O_2 according to the formula La_(9.33+x/3)(SiO_4)_(6-x)(BO_4)_xO_2 where 0 ≤ x ≤ 2. Samples were prepared by solid state reaction; difficulty was experienced in obtaining fully homogenised products at intermediate x, although they were nominally single-phase by X-ray powder diffraction. A small conductivity enhancement was observed at intermediate B content which further illustrates the important role of La vacancies in optimising the conductivity of La silicates with the apatite structure.

机译：根据公式La_（9.33 + x / 3）（SiO_4）_（6-x）（BO_4）_xO_2将B_2O_3掺杂到氧化物离子导体La_（9.33）（SiO_4）_6O_2中，其中0≤x≤2。通过固态反应制备；尽管通过X射线粉末衍射标称它们是单相的，但在中间体x处获得完全均质的产品却遇到了困难。在中间B含量下观察到小的电导率增强，这进一步说明了La空位在优化具有磷灰石结构的La硅酸盐的电导率中的重要作用。

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来源
《Materials science forum》 |2017年第2017期|102-106|共5页
作者
Zhao Xiang Huang; Kan Yu; Jun Liang; Xiao Li Sheng;
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作者单位

Department of Information Science and Technology.Wenhua College, Wuhan, China;

Department of Information Science and Technology.Wenhua College, Wuhan, China;

Department of Information Science and Technology.Wenhua College, Wuhan, China;

Department of Information Science and Technology.Wenhua College, Wuhan, China;

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正文语种 eng
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关键词
Oxide ion conduction; Apatite; Ceramics; Microstructure; Impedance spectroscopy;

机译：氧化物离子传导;磷灰石;陶瓷;微观结构阻抗谱;

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Synthesis and Impedance Spectroscope of B-Doped La_(9.33+x/3)(SiO_4)_(6-x)(BO_4)_xO_2 Apatite Oxide Ion Conductor

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