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A domain size effect in the magnetic hysteresis of NiZn‐ferrites

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3 Author(s)
van der Zaag, P.J. ; Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands ; van der Valk, P.J. ; Rekveldt, M.T.

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The domain size and the ac‐hysteresis of NiZn‐ferrites have been investigated as a function of grain size. It is found that the ac‐hysteresis or energy dissipation at MHz frequencies is substantially reduced in fine‐grained, monodomain NiZn‐ferrites, which is attributed to the absence of intragranular domain walls. © 1996 American Institute of Physics.

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Applied Physics Letters  (Volume:69 ,  Issue: 19 )