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Preparation and characterization of Fe3+-doped Ni0.9Co0.8Mn1.3-xFexO4 (0 <= x <= 0.7) negative temperature coefficient ceramic materials
Zhang Huimin; Chang Aimin; Peng Changwen; Zhang, HM
2011
发表期刊Microelectronic Engineering
ISSN1679317
卷号88期号:9页码:2934-2940
摘要Based on spinel-type semiconducting electroceramics, negative temperature coefficient (NTC) thermistor materials, Ni0.9Co0.8Mn1.3-xFexO4 (0 <= x <= 0.7), with different compositions were synthesized by a co-precipitation method. The optimal pH value and the influence of Fe3+ doping during the synthesis processing were discussed. As-prepared Ni0.9Co0.8Mn1.3-xFexO4 materials were characterized by DT/TGA, XRD, FTIR, SEM, electrical measurement and impendance analysis. It was found that, as the Fe doping content in the Ni0.9Co0.8Mn1.3-xFexO4 samples increased, both the grain size and the density decreased. The as-sintered Ni0.9Co0.8Mn1.3-xFexO4 samples presented a single-phase cubic spinel structure. The impendance diagram indicated that the grain boundary resistance was dominant in the overall impendance of Ni0.9Co0.8Mn1.3-xFexO4 NTC ceramic materials. The value of rho(25). B-25/50, slope and activation energy for the samples Ni0.9Co0.8Mn1.3-xFexO4 sintered at 1200 degrees C were in the range of 453.1-2411 Omega cm, 3103-3355 K, 3.27325-3.43149 and 0.28207-0.29325 eV, respectively. This suggests that the electrical properties can be adjusted to desired values by controlling the Fe3+ ion doping content.
关键词Fe Ion Doped Co-precipitation Method Ntc Ceramic Material Electrical Properties
学科领域Engineering ; Science & Technology - Other Topics ; Optics ; Physics
DOI10.1016/j.mee.2011.04.023
收录类别SCI
WOS记录号WOS:000295557400020
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/1417
专题材料物理与化学研究室
通讯作者Zhang, HM
作者单位CAS, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China; Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Zhang Huimin,Chang Aimin,Peng Changwen,et al. Preparation and characterization of Fe3+-doped Ni0.9Co0.8Mn1.3-xFexO4 (0 <= x <= 0.7) negative temperature coefficient ceramic materials[J]. Microelectronic Engineering,2011,88(9):2934-2940.
APA Zhang Huimin,Chang Aimin,Peng Changwen,&Zhang, HM.(2011).Preparation and characterization of Fe3+-doped Ni0.9Co0.8Mn1.3-xFexO4 (0 <= x <= 0.7) negative temperature coefficient ceramic materials.Microelectronic Engineering,88(9),2934-2940.
MLA Zhang Huimin,et al."Preparation and characterization of Fe3+-doped Ni0.9Co0.8Mn1.3-xFexO4 (0 <= x <= 0.7) negative temperature coefficient ceramic materials".Microelectronic Engineering 88.9(2011):2934-2940.
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