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Citation: YANG Xiang-Jun, MA Zhi-Gang, WEI Qun-Yan, HUANG Zhang-Jie, CHEN Jing. Synthesis of Ni_0.6Cu_0.2Zn_0.2Fe₂ O₄ via Solid State Reaction at Low Heating Temperatures[J]. Chinese Journal of Applied Chemistry, ;2007, 24(2): 183-187. shu

Synthesis of Ni_0.6Cu_0.2Zn_0.2Fe₂ O₄ via Solid State Reaction at Low Heating Temperatures

1.
College of Chemistry Science and Engineering, Yunnan University, Kunming 650091

Corresponding author: YANG Xiang-Jun,
Received Date: 25 March 2006
Available Online: 16 June 2006
Fund Project: 云南省自然科学基金(2006E0009Q) (2006E0009Q)云南省教育厅科研基金(04Y216A) (04Y216A)云南大学校科研基金(2003Q006A)资助项目 (2003Q006A)

Ultrafine powder of spinel type ferrite Ni_0.6Cu_0.2 Zn_0.2Fe₂ O₄ was prepared from Fe(NO₃)₃·9H₂O, Ni(NO₃)₂·6H₂O,Zn(NO₃)₂·6H₂O,Cu(NO₃)₂·3H₂O and citric acid via solid state reaction at low heating temperatures.The reaction mechanism and structure of the product were investigated by means of FT-IR,DTA-TG,XRD,TEM and SEM.The FT-IR results show that the metal ions could react with citric acid by grinding for 30 min,and the carboxyl groups of the citric acid were coordinated to the metal ions in a monodentate fashion.The XRD and FT-IR analyses for the samples sintered at different temperatures indicate that the spinel crystal structure integrates gradually with the increase of the calcination temperature.Accor-ding to the calculation via the Scherrer formula and the TEM analysis,the particle size of the ferrite was about 30~40 nm after the dried gel was decomposed at 350℃for 1 h,and the particle size increased to 200~300 nm when the decomposed dried gel sample was sintered at 900℃ for 2 h.
- solid state reaction at low heating temperature,
- sol-gel,
- NiCuZn ferrite
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Synthesis of Ni0.6Cu0.2Zn0.2Fe2 O4 via Solid State Reaction at Low Heating Temperatures

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通讯作者: 陈斌, bchen63@163.com

Synthesis of Ni_0.6Cu_0.2Zn_0.2Fe₂ O₄ via Solid State Reaction at Low Heating Temperatures