The expulsion of magnetic flux when a material becomes superconducting in a magnetic field. If the magnetic field is applied after the material has become superconducting, the flux cannot penetrate it.
- The Osaka group has shown that its resistance drops by 10% at the critical temperature and it has a Meissner effect that is comparable with a reference sample of superconducting indium at 3.2 K.
- In the past, the Meissner effect has been used to levitate a dipole magnet placed on the surface of a superconductor.
- This effect is called the Meissner effect after the name of its discoverer.
1930s; named after Fritz W. Meissner (1882–1974), German physicist.
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Syllabification: Meiss·ner ef·fect
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