In general only the ferrite group :
iron, nickel, cobalt.
Other material may be alloyed with these, but the ferrite group is essential.
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Materials that are commonly magnetic include iron, cobalt, nickel, and some alloys like steel. These materials have unpaired electrons that create a magnetic field, allowing them to be attracted to a magnet. Other materials such as copper and aluminum are typically not magnetic.
Magnetic materials are materials that can be magnetized and can create a magnetic field, such as iron and nickel. Non-magnetic materials do not respond to magnetic fields and cannot be magnetized, such as wood and plastic.
Certain materials are magnetic because their atoms have unpaired electrons that create a magnetic field. This magnetic field allows the material to attract or repel other magnetic materials.
Materials such as iron, nickel, and cobalt are known as ferromagnetic materials that allow the magnetic force to pass through easily. These materials have domains that can align with an external magnetic field, enhancing the overall magnetic properties.
If two materials have weak magnetic domains, it means that the magnetic moments of the atoms within these materials are not strongly aligned. This results in a weak overall magnetic effect exhibited by the materials.
Certain materials are magnetic because their atoms have unpaired electrons that align in the same direction, creating a magnetic field. Materials like iron, nickel, and cobalt are magnetic because of their atomic structure, while materials like wood or plastic do not have this alignment of electrons and are not magnetic.