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学科主题: Chemistry (provided by Thomson Reuters)
题名: Co-Mn-Ni-O热敏纳米粉体的制备及其特性
其他题名: preparation and properties of nanometer powder for co-mn-ni-o thermistors
作者: 叶峰; 妥万禄; 巴维真
关键词: NTC thermistor ; ultra-fine powder ; nanometer powder ; co-precipitation ; spinel
刊名: 功能材料与器件学报
发表日期: 2003
卷: 9, 期:4, 页:377-380
摘要: 采用液相共沉淀法用草酸作为沉淀剂制备了Co-Mn-Ni-O陶瓷热敏电阻纳米粉体,并采用综合热分析(TG、DTA)、X射线衍射(XRD)和扫描电子显微技术(SEM)对该法制备的粉体和对照粉体进行了综合表征,结果显示用该方法可以制备晶粒平均粒径在9nm左右、粉体颗粒形貌呈球形、颗粒粒径在50~100nm范围内、粒度分布范围较窄的Co-Mn-Ni-O三元系NTC热敏纳米粉体粉体,能够满足Co-Mn-Ni-O陶瓷热敏电阻对粉体的要求。
英文摘要: Nanometer powder of Mn - Co - Ni oxides was prepared by using co - precipitation method with oxalic acid as precipitator, and it was tested and analyzed using TG^DTA^XRD^SEM technology. The result shows that the powder of Mn - Co -Ni oxide can be obtained with following properties: grain size about 9nm, near - spherical shape particle with diameter about 50 ~ lOOnm , narrow range of the particle distribution. And these properties meet the requirement for making Co - Mn - Ni - O NTC thermistors.
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2182
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: 中国科学院新疆理化技术研究所;中国科学院研究生院

Recommended Citation:
叶峰,妥万禄,巴维真. Co-Mn-Ni-O热敏纳米粉体的制备及其特性[J]. 功能材料与器件学报,2003,9(4):377-380.
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