Physics. A gap between adjacent energy bands in a solid, being a range of energy levels which electrons in that solid cannot occupy; esp. the gap…
| 单词 | θ78757 |
| 释义 | the world > matter > physics > solid state physics > semiconductivity > [noun] > energy band or gap (4) energy gap1933 Physics. A gap between adjacent energy bands in a solid, being a range of energy levels which electrons in that solid cannot occupy; esp. the gap… impurity level1933 an energy level in a semiconductor that is due to an impurity atom and generally lies either just above the highest filled (valence) energy band… conduction band1939 a partly-filled energy band in a solid, the electrons of which can move freely and so conduct current; cf. valence band n. at valence, n.2 compounds. valence band1956 the energy band (range of possible energies) that contains the valence electrons in a solid and is the highest filled or partly filled band. |
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