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Fermi level
subjectfact 
Fermi levelhas definition The maximum energy of any particle in a group of low-temperature subatomic particles called fermions. Fermions, such as electrons, cannot occupy the same space at the same energy. Thus, if many fermions are placed close together, their energies must all be different. The energy of that particle with the largest energy is the Fermi energy of the system.has source: Lightman, A., Brawer, R. 1990 The Lives and Worlds of Modern Cosmologists, Harvard University Press, 2001-09-27 09:33:13.0
is a kind of energy2001-09-27 09:33:13.0
energyhas unit energy unit2001-09-27 09:33:13.0
numberhas value2001-09-27 09:32:57.0