Preparation of Ni0.9Mn2.1-xMgxO4 (0 <= x <= 0.3) negative temperature coefficient ceramic materials by a rheological phase reaction method
Yao, Jincheng; Zhang, Bingyin; Wang, Junhua; Chang, Aimin; Ji, Guang; Zhao, Pengjun; Zhao, Lijun; Chang, AM
2013
Source PublicationMaterials Letters
ISSN0167577X
Volume112Issue:12Pages:69-71
AbstractNegative temperature coefficient (NTC) thermistors based on Ni 0.9Mn2.1-xMgxO4 (0&lex&le0.3) materials with different compositions were synthesized by a rheological phase reaction with ultrasound radiation (RPR-UR) method. It was found that the as-prepared powder crystallized well with spinel structure. It presented a microstructure of well-packed grains. The resistivity, B25/50 constant and activation energy with a wide range of values were obtained. And it can be adjusted to desired values for industrial applications by controlling the MgO content. All the results suggest that the RPR-UR method is a promising technique for the preparation of Ni0.9Mn2.1-xMg xO4 NTC ceramic materials.
KeywordNtc Thermistors Electrical Properties Rpr-ur Method Powder Technology
DOI10.1016/j.matlet.2013.09.003
Indexed BySCI ; EI
WOS IDWOS:000326667300020
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/3853
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, AM
AffiliationChinese Acad Sci, 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, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Yao, Jincheng,Zhang, Bingyin,Wang, Junhua,et al. Preparation of Ni0.9Mn2.1-xMgxO4 (0 <= x <= 0.3) negative temperature coefficient ceramic materials by a rheological phase reaction method[J]. Materials Letters,2013,112(12):69-71.
APA Yao, Jincheng.,Zhang, Bingyin.,Wang, Junhua.,Chang, Aimin.,Ji, Guang.,...&Chang, AM.(2013).Preparation of Ni0.9Mn2.1-xMgxO4 (0 <= x <= 0.3) negative temperature coefficient ceramic materials by a rheological phase reaction method.Materials Letters,112(12),69-71.
MLA Yao, Jincheng,et al."Preparation of Ni0.9Mn2.1-xMgxO4 (0 <= x <= 0.3) negative temperature coefficient ceramic materials by a rheological phase reaction method".Materials Letters 112.12(2013):69-71.
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