| 11. | The intrinsic Fermi level does not change.
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| 12. | This pins the Fermi level in the semiconductor to a position in the bulk gap.
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| 13. | In nominally doped semiconductors, the Fermi level lies between the conduction and valence bands.
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| 14. | The two quasi-Fermi levels do not coincide except deep in the bulk materials.
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| 15. | When the Fermi level of graphene is tuned, its optical absorption can be changed.
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| 16. | The characteristic energy level up to which the electrons have filled is called the Fermi level.
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| 17. | The Fermi level of an intrinsic semiconductor is exactly in the middle of the band gap.
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| 18. | The isosurface of states with energy equal to the Fermi level is known as the Fermi surface.
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| 19. | When a material's Fermi level falls in a bandgap, there is no Fermi surface.
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| 20. | A more convenient definition of'voltage'can be found instead in the concept of Fermi level.
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