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   Influence of PbO and TiO2 additives on the microstructure development and magneticproperties of Ni–Zn soft ferrites  
   
نویسنده Mirzaee O.
منبع journal of king saud university - engineering sciences - 2014 - دوره : 26 - شماره : 2 - صفحه:152 -158
چکیده    This paper focuses on the effect of pbo and tio_2 on the magnetic properties and microstructural development of fe_2ni_0.64zn_0.36o_4 soft ferrite. ferrite was added to these oxides, ranging from 0 to 3.2 wt% in steps of 0.4 wt%. the results showed that with increasing the amount of pbo up to a certain percentage, relative density, grain size and magnetic permeability increase and then decrease. this additive caused to increase dc-resistivity, power loss and decrease in magnetic permeability and saturation magnetization. tio_2 revealed no considerable effect on the grain growth and densification. in contrast this additive due to the doping of the high valent ti^4+ ions to the lattice affects the magnetic and electrical properties noticeably. tio_2 improved the loss properties (up to 1.2 wt%) and magnetic permeability (up to 2.0 wt%) but reduced the saturation magnetization, and dc-resistivity of ferrite.
کلیدواژه Ni–Zn ferrites; Grain growth; Magnetic properties
آدرس semnan university, Materials Engineering Department, ایران
پست الکترونیکی o_mirzaee@semnan.ac.ir
 
     
   
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