1. An isolated magnetic particle of magnetization M and uniaxial anisotropy K is inclined at an...
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1. An isolated magnetic particle of magnetization M and uniaxial anisotropy K is inclined at an angle of 22.5 degrees relative to an applied magnetic field H. Write the energy as a function of the angle between the magnetization and the applied field direction. Find H for arbitrary , K and M. by requiring that the energy be a minimum. Calculate and plot the hysteresis loop, i.e., calculate the projection of the magnetization along the direction of the applied field as a function of the applied field. Indicate the coercivity and remanence. (10 points) 1. An isolated magnetic particle of magnetization M and uniaxial anisotropy K is inclined at an angle of 22.5 degrees relative to an applied magnetic field H. Write the energy as a function of the angle between the magnetization and the applied field direction. Find H for arbitrary , K and M. by requiring that the energy be a minimum. Calculate and plot the hysteresis loop, i.e., calculate the projection of the magnetization along the direction of the applied field as a function of the applied field. Indicate the coercivity and remanence. (10 points)
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Answer Step 1 The energy of the system may be written as an equation of the form To simplify E km2 cos2 theta HM cos theta where theta is the inclinat... View the full answer
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