The Gem Of Magnetic Fluids 1.1 PRELUDE: The phenomenon of ferromagnetism is associated only with the solid relegate of matter; like iron, nickel, cobalt and some rare reality metals and their all(a)oys. Thus, up to now, there is no intrinsic homogeneous facile having ferromagnetic properties; although, theories admit the possibility of ferromagnetism in the liquid state, and purport that there is no inherent reason why they should non exist [1-3,5]. Ferromagnetism occurs when paramagnetic ions in a solid ringlet butterfly together in such a way that their spins all point (on the average) in the same direction .
At a certain temperature this locking breaks down and ferromagnetic materials become paramagnetic. This pitch contour temperature is called the Curie point (TC), which is invariably well below the thawing point of the corresponding material [1,8,12]. 1.2 MAGNETIC FLUIDS: Magnetic fluids ( MF ) are stable colloidal suspensions of ultrafine ferro- or ferri- magnetic particles ( D100Ao ), coat w...If you want to get a full essay, order it on our website:
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