| 非晶态羧酸盐法合成NTC热敏陶瓷用Ni1.0Co0.2Mn1.8O4纳米粉体的研究 |
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| 引用本文： | 王卫民,高峰,赵鸣,刘向春,田长生.非晶态羧酸盐法合成NTC热敏陶瓷用Ni1.0Co0.2Mn1.8O4纳米粉体的研究[J].无机化学学报,2006,22(3):515-518. |
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| 作者姓名： | 王卫民 高峰 赵鸣 刘向春 田长生 |
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| 作者单位： | 西北工业大学材料学院,西安,710072 |
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| 摘 要： | Nano-crystalline Ni1.0Co0.2Mn1.8O4 powders were synthesized via non-crystalloid precursor method. The results on the precursor by XRD and IR techniques show that the stable non-crystalloid precursor could be formed by adding oleic acide and adjusting the pH values. The dried precursor exhibited auto-catalytic combustion behavior. After being calcined at 800 ℃, the Ni1.0Co0.2Mn1.8O4 powders with spinel structure were obtained. It has been demonstrated that the synthesized powder is well dispersed and with higher sintering activity. The Model of non-crystalloid precursor has been suggested. The reaction mechanism has also been proposed.
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| 关 键 词： | 溶胶凝胶 纳米 MnCoNiO氧化物 油酸 NTC热敏电阻 |
| 文章编号： | 1001-4861(2006)03-0515-04 |
| 收稿时间： | 2005-08-10 |
| 修稿时间： | 2005-12-02 |
Synthesis of Nano-crystalline Ni1.0Co0.2Mn1.8O4 Powders for NTC Thermistor by Non-crystalloid Precursor Method |
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| WANG Wei-Min,GAO Feng,ZHAO Ming,LIU Xiang-Chun and TIAN Chang-Sheng.Synthesis of Nano-crystalline Ni1.0Co0.2Mn1.8O4 Powders for NTC Thermistor by Non-crystalloid Precursor Method[J].Chinese Journal of Inorganic Chemistry,2006,22(3):515-518. |
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| Authors: | WANG Wei-Min GAO Feng ZHAO Ming LIU Xiang-Chun and TIAN Chang-Sheng |
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| Abstract: | |
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| Keywords: | sol-gel nanometer MnCoNiO oleic acid NTC thermistor |
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