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Diamagnetism - Wikipedia, the free encyclopedia
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Diamagnetic definition, as used in chemistry, chemical engineering, and physics. ... Definition: Descriptive term which indicates that a substance contains no unpaired electrons and thus is not attracted to a magnetic field. Examples: NH3 is diamagnetic because all of the electrons in NH3 are paired.
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Diamagnetic, Paramagnetic, and Ferromagnetic Materials ... Diamagnetic metals have a very weak and negative susceptibility to magnetic fields. Diamagnetic materials are slightly repelled by a magnetic field and the material does not retain the magnetic properties when the external field is removed.
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are usually considered to be non-magnetic but in fact, they are very weakly diamagnetic. Diamagnets repel, and are repelled by a strong magnetic field. The electrons in a diamagnetic material rearrange their orbits slightly creating small persistent currents which oppose the external magnetic field.
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Materials may be classified by their response to externally applied magnetic fields as diamagnetic, paramagnetic, or ferromagnetic. These magnetic responses differ greatly in strength. Diamagnetism is a property of all materials and opposes applied magnetic fields, but is very weak.
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When I first heard of diamagnetic levitation, I was fascinated and I knew I just had to do it. ... The way it works is simple: diamagnetic materials are slightly (very slightly) repelled by magnetic fields, so if you have a relatively massive piece of diamagnetic material, a small, powerful magnet will itself be pushed away...
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Until recently a laboratory curiosity, diamagnetism has entered the commercial world as part of a hybrid levitation system in which a diamagnetic force provides the necessary control stability and permanent magnets supply the lift. ... Diamagnetic, Paramagnetic, and Ferromagnetic Materials; To understand diamagnetism,
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Suspend a magnet in mid-air (magnetic levitation) ... Experimenting with magnetorheological fluids. ... The bismuth disks are diamagnetic. This means that they push away from a magnet. It doesn't matter whether the north pole of the magnet or the south pole is used, the bismuth always pushes away.
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Experimental Science for Everyone ... The photos above show three variations of the diamagnetic levitation experiment--a magnet levitating between Carbon-Graphite plates, a magnet levitating between Bismuth plates, and a chip of Carbon-Graphite levitating over magnets.
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Substances having a negative magnetic susceptibility are diamagnetic. They are repelled out of a magnetic field. ... PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1105...
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