Superdiamagnetism
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High Quality Content by WIKIPEDIA articles! Superdiamagnetism (or perfect diamagnetism) is a phenomenon occurring in certain materials at low temperatures, characterised by the complete absence of magnetic permeability (i.e. a magnetic susceptibility ?v = ?1) and the exclusion of the interior magnetic field. Superdiamagnetism is a feature of superconductivity. It was identified in 1933, by Walter Meissner and Robert Ochsenfeld (the Meissner effect). Superdiamagnetism established that the superconductivity of a material was a stage of phase transition. Superconducting magnetic levitation is due to superdiamagnetism, which repels a permanent magnet, and flux pinning, which prevents the magnet floating away. Diagram of the Meissner effect. Magnetic field lines, are excluded from a superconductor when it is below its critical temperature.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130501105
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Physik & Astronomie
- EAN 9786130501105
- Format Fachbuch
- Titel Superdiamagnetism
- Herausgeber Betascript Publishing
- Anzahl Seiten 96
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