1 زیست شناسی:: ذره سوپرپارامغناطیس
One fascinating application of superparamagnetic particles - and one that already has been widely applied in technical products - is that of ferro? uid is a stable suspension of superparamagnetic particles in a liquid. However, in the case of interacting superparamagnetic particles, an additional phenomenon may be observed. (a) Within a superparamagnetic particle, the elementary magnetic dipoles are oriented in parallel. Provided that the superparamagnetic particles are of equal size and their distance allows dipole-dipole interaction (as in ferromagnetic materials), magnetic coupling between the particles will occur.
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