الفهرس 
THEORETICAL CONSIDERATIONS
Historical review and fundamental principle of magnetismOnly 14 pages are availabe for public view
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Abstract
Recently, the synthesis of nano-particle ferrites has been a field of intense study, due to the novel properties shown by particles of nano dimensions located in the transition region between atoms and bulk solids. Small size effects and the large surface area of magnetic nanoparticles may dramatically change the electrical and magnetic properties and exhibit superparamagnetic phenomenon, because each particle can be considered as a single magnetic domain and also when such nano-particle ferrites are added to polymers, they may improve some electrical or magnetic properties thus, the present work may lead to conclusions of practical importance.