Magnetic properties of ZnO-doped cobalt ferrite

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	Magnetic properties of ZnO-doped cobalt ferrite
	Zhou, JP; Shi, Z; He, HC; Nan, CW; Nan, CW, Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China.
会议名称	4th Asian Meeting on Electroceramics (AMEC-4)
会议录名称	JOURNAL OF ELECTROCERAMICS
页码	21 (1-4): 681-685 Sp. Iss. SI DEC
会议日期	JUN 27-30, 2005
会议地点	Hangzhou, PEOPLES R CHINA
出版地	VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
出版者	SPRINGER
ISSN	1385-3449
部门归属	[zhou, jian-ping; shi, zhan; he, hong-cai; nan, ce-wen] tsinghua univ, dept mat sci & engn, beijing 100084, peoples r china; [zhou, jian-ping] chinese acad sci, inst semicond, beijing 100083, peoples r china
摘要	The cobalt ferrites with chemical composition Co1+xZnxFe2-2xO4 (r=0.0, 0.1, 0.2, 0.4) were obtained with conventional solid reaction. The ZnO-doped samples have lower lattice constant than CoFe2O4 by adjusting Co ions to the octahedral sites. The results show that doping ZnO could extremely improve the magnetic properties. In comparison with pure CoFe2O4, the little ZnO-doped sample has higher permeability and much lower coercivity at the condition of a little decrease of magnetization saturation. Sample with x=0.1 shows evident magnetostrictive effect at the magnetic field of 30-60 mT while pure cobalt ferrite sample does not, though the saturation magnetostriction decreases. These indicate that ZnO-doping improves the magnetostrictive sensitivity of the cobalt ferrites and have potential applications in magnetoelectric devices and magnetic detector.
关键词	Cofe2o4
学科领域	半导体材料
收录类别	其他
语种	英语
文献类型	会议论文
条目标识符	http://ir.semi.ac.cn/handle/172111/8350
专题	中国科学院半导体研究所（2009年前）
通讯作者	Nan, CW, Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China.
推荐引用方式 GB/T 7714	Zhou, JP,Shi, Z,He, HC,et al. Magnetic properties of ZnO-doped cobalt ferrite[C]. VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS:SPRINGER:21 (1-4): 681-685 Sp. Iss. SI DEC.

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