What are superconductors?
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A substance which, at very low temperatures, allows electricity to flow completely freely through it.
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- A substance which conduct electricity without resistance ,as it is colder than critical temperature.
- At critical temperature electron moves freely through material.
- Superconductivity destroys at high magnetic field.
- At high magnetic field it restores is normal conducting state.
- Examples of superconductor are as follow :
- Niobium
- Magnesiumdiboride
- Cuprates
- Aluminium
- Iron pnicitides
- Copper oxide
- Superconductor are metallic so they have high critical field densities.
- It is malleable
- It has high critical current.
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