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  2. Rare-earth magnet - Wikipedia

    en.wikipedia.org/wiki/Rare-earth_magnet

    Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.

  3. Neodymium magnet - Wikipedia

    en.wikipedia.org/wiki/Neodymium_magnet

    Ring magnets Most hard disk drives incorporate strong magnets This manually-powered flashlight uses a neodymium magnet to generate electricity Neodymium magnets have replaced alnico and ferrite magnets in many of the myriad applications in modern technology where strong permanent magnets are required, because their greater strength allows the ...

  4. Alnico - Wikipedia

    en.wikipedia.org/wiki/Alnico

    Alnico alloys can be magnetised to produce strong magnetic fields and have a high coercivity (resistance to demagnetization), thus making strong permanent magnets. Of the more commonly available magnets, only rare-earth magnets such as neodymium and samarium-cobalt are stronger.

  5. Category:Types of magnets - Wikipedia

    en.wikipedia.org/wiki/Category:Types_of_magnets

    Pages in category "Types of magnets" The following 31 pages are in this category, out of 31 total. This list may not reflect recent changes. B. Bitter electromagnet; D.

  6. Neodymium - Wikipedia

    en.wikipedia.org/wiki/Neodymium

    Neodymium magnets have been tested for medical uses such as magnetic braces and bone repair, but biocompatibility issues have prevented widespread applications. [84] Commercially available magnets made from neodymium are exceptionally strong and can attract each other from large distances.

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