Diamagnetic materials

Diamagnetic materials are those in which the individual atoms or molecules or ions do not possess any net magnet moment of their own.

When a sample of a diamagnetic material is placed in an external magnetic field of induction (B), a small magnetic moment is produced in each atom or molecule or ion proportional to B, but pointing in the opposite direction.

In other words, those materials which when placed in a magnetic field become weakly magnetized in a direction opposite to that of the applied field, are called as diamagnetic materials.

Example: bismuth, antimony, copper, gold, quartz, mercury etc.

Reference: This article is referred from my book “electrical engineering materials” having ISBN 978-81-272-5069-0. In case of any doubt, you can put your question in the comment section.

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