Fabrication and properties of Mn1.56Co0.96Ni0.48O4 free-standing ultrathin chips
Kong, Wenwen; Chen, Long; Gao, Bo; Zhang, Bo; Zhao, Pengjun; Ji, Guang; Chang, Aimin; Jiang, Chunping
2014
Source PublicationCeramics International
ISSN0272-8842
Volume40Issue:6Pages:8405-8409
Abstract

Mn1.56Co0.96Ni0.48O4 (MCN) free-standing ultrathin chips are successfully fabricated by using screen printing. The structure, electrical and IR absorption properties have been investigated as a function of the sintering temperature. The X-ray diffraction, X-ray photoelectron spectroscopy and field emission scanning electron microscope analyses show remarkable improvements in crystallinity, stoichiometry and relative density for MCN chips. From the electrical experimental results, it is found that the resistivity of the chip samples sharply decreases from 2660 to 21.9 Ω cm. Such feature is attributed to the decrease in the grain boundary resistance and the increase in Mn3+/Mn4+ ratio with increasing sintering temperature. Furthermore, Fourier transform infrared spectra show that the absorption bands ν1 (around 1160 cm-1) at 1100 °C almost disappears while the others still remain. It is ascribed to the increase in the density of samples. The intensities of symmetry bands ν2 (850 cm-1) are also found to be consistent with an increase in ratio of Mn3+ to Mn4+ ions with increasing sintering temperature.

KeywordSintering Electrical Properties Spinel Thermistors
DOI10.1016/j.ceramint.2014.01.049
Indexed BySCI
WOS IDWOS:000335201800094
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/3772
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorChang, Aimin
Affiliation1.Xinjiang Tech Inst Phys & Chem CAS, Key Lab Funct Mat & Devices Special Environm CAS, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Key Lab Nanodevices & Applicat, Suzhou 215123, Peoples R China
Recommended Citation
GB/T 7714
Kong, Wenwen,Chen, Long,Gao, Bo,et al. Fabrication and properties of Mn1.56Co0.96Ni0.48O4 free-standing ultrathin chips[J]. Ceramics International,2014,40(6):8405-8409.
APA Kong, Wenwen.,Chen, Long.,Gao, Bo.,Zhang, Bo.,Zhao, Pengjun.,...&Jiang, Chunping.(2014).Fabrication and properties of Mn1.56Co0.96Ni0.48O4 free-standing ultrathin chips.Ceramics International,40(6),8405-8409.
MLA Kong, Wenwen,et al."Fabrication and properties of Mn1.56Co0.96Ni0.48O4 free-standing ultrathin chips".Ceramics International 40.6(2014):8405-8409.
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