ferromagnets

/Tag:ferromagnets
  • Magnetization Dynamics

Magnetization Dynamics

Magnetization Dynamics 1 Introduction Magnetization dynamics, where one investigates the time-dependent motion of the magnetization rather than its equilibrium behavior, are fundamental to the properties of magnetic materials. It is worthwhile remembering that the concept of spin waves was introduced by Bloch  in 1930 in order to calculate the magnetic contribution to the specific heat [...]

  • Magnetic Measurements

Magnetic Measurements

Magnetic Measurements Magnetic Measurements For measuring of the fundamental magnetic properties of a material (Br, bHc, iHc, BHmax, demagnetisation curve), Hysteresisgraph or BH-tracker is used. A BH-tracker consists of an iron (usually FeCo) yoke to form a closed circuit, electromagnets to create the demagnetizing field and fluxmeters to determine the demagnetizing field and the materials [...]

  • Chemically Controlled Magnetic Material

Chemically Controlled Magnetic Material

Chemically Controlled Magnetic Material Magnets are common in physics classes at school, but almost no chemistry classes are involved; researchers have successfully used chemical methods to control the magnetic properties of ferromagnetic substrates. Physical methods may affect the direction of the magnetic field. The chemical method in this example finely controls the selected ferromagnetic material [...]

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