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Isotropic Magnet and Anisotropic Magnet
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There are two kinds of magnet, isotropic and anisotropic.
■Isotropic=Magnet with same strength can be made by magnetizing from any direction of a cube.
■Anisotropic=By magnetizing from a specific direction, a directional magnet can be made.
■Isotropic=Magnet with same strength can be made by magnetizing from any direction of a cube.
■Anisotropic=By magnetizing from a specific direction, a directional magnet can be made.
Why are the magnetic characteristics different?
E.g.:Ferrite Crystal and Easy Magnetization Direction
The shape of a ferrite crystal is similar to a short hexagonal prism. By magnetizing in the direction of the prism height, a strong magnet can be made.
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Crystal Arrangement of an Isotropic Magnet
As the crystal direction and arrangement of isotropic crystals are various, so a magnet with the same strength can be made by magnetizing from any arrow direction.
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Crystal Arrangement of an Anisotropic Magnet
As the crystal directionand arrangement of anisotropic crystalsare unidirectional in the easy magnetization direction, so a strong magnet can be made only by magnetizing from the easy magnetization direction of the arrow.
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