单词 |
energy gap |
释义 |
energy gap
energy gap n (General Physics) physics the difference of energy between the bottom of the conduction band and the top of the valence band of the electrons in a crystalline solid. For values below about 2eV the substance is considered to be a semiconductor whilst for higher values it is considered to be an insulator energy gap
energy gap[′en·ər·jē ‚gap] (solid-state physics) A range of forbidden energies in the band theory of solids. AcronymsSeeEG |
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