| Revision as of 19:37, 12 June 2003 editStevenj (talk | contribs)Extended confirmed users14,833 edits corrected citation title← Previous edit | Revision as of 14:03, 12 December 2003 edit undoKimiko (talk | contribs)2,045 editsm - ]Next edit → | ||
| Line 1: | Line 1: | ||
| A '''ferromagnet''' is a piece of ] material, in which the microscopic magnetized regions, called ''domains'', have been aligned by an external ] (e.g. from another permanent ] or an ]) so that the piece itself is a permanent magnet. | A '''ferromagnet''' is a piece of ] material, in which the microscopic magnetized regions, called ''domains'', have been aligned by an external ] (e.g. from another permanent ] or an ]) so that the piece itself is a permanent magnet. | ||
| The name derives from the ] ''ferrum'', meaning "]" (the most well-known ferromagnetic material). ]] and ] are the other common ferromagnetic elements. | The name derives from the ] ''ferrum'', meaning "]" (the most well-known ferromagnetic material). ] and ] are the other common ferromagnetic elements. | ||
| There is much active research in an attempt to find new ferromagnetic materials, especially those which might be light-weight, non-metallic, and capable of remaining ferromagnetic at room temperature. | There is much active research in an attempt to find new ferromagnetic materials, especially those which might be light-weight, non-metallic, and capable of remaining ferromagnetic at room temperature. | ||
Revision as of 14:03, 12 December 2003
A ferromagnet is a piece of ferromagnetic material, in which the microscopic magnetized regions, called domains, have been aligned by an external magnetic field (e.g. from another permanent magnet or an electromagnet) so that the piece itself is a permanent magnet.
The name derives from the Latin ferrum, meaning "iron" (the most well-known ferromagnetic material). Nickel and Cobalt are the other common ferromagnetic elements.
There is much active research in an attempt to find new ferromagnetic materials, especially those which might be light-weight, non-metallic, and capable of remaining ferromagnetic at room temperature.
See ferromagnetism for more information.
References
- Fernando Palacio, "A magnet made from carbon," Nature 413, 690-691 (2001).