PARAMAGNETISM

Paramagnetism

Paramagnetism is a form of magnetism whereby certain materials are attracted by an externally applied magnetic field. In contrast with this behavior, diamagnetic materials are repelled by magnetic fields. Paramagnetic materials include most chemical elements and some compounds; they have a relative magnetic permeability greater than or equal to 1 and hence are attracted to magnetic fields. The magnetic moment induced by the applied field is linear in the field strength and rather weak. It typically requires a sensitive analytical balance to detect the effect and modern measurements on paramagnetic materials are often conducted with a SQUID magnetometer.

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paramagnetism

Noun

  1. the tendency of magnetic dipoles to align with an external magnetic field; materials that exhibit this tendency become temporary magnets


The above text is a snippet from Wiktionary: paramagnetism
and as such is available under the Creative Commons Attribution/Share-Alike License.

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