Magnetisation loops as calculated from the Stoner-Wohlfarth model, for several angles of applied magnetic field strength H for a single particle, and for a large array of randomly oriented particles. The particle responds with magnetisation M.
This drawing is based on: J.M.D. Coey, Magnetism and Magnetic Materials, Cambridge University Press, 2010, ISBN 9780521816144
stoner-wohlfarth_model_array_magnetica.png
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