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In semiconductors and insulators, the 'conduction band' is the range of electron energy, higher than that of the valence band, sufficient to make the electrons free to accelerate under the influence of an applied electric field and thus constitute an electric current. Semiconductors may cross this conduction band when they are excited.

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See also

See also

★ Semiconductor for a full explanation of the band structure of materials.

★ Electrical conduction for more information about conduction in solids, and another description of band structure.