| 单词 | valence band |
| 释义 | > as lemmasvalence band valence band n. the energy band (range of possible energies) that contains the valence electrons in a solid and is the highest filled or partly filled band. ΘΚΠ the world > matter > physics > solid state physics > semiconductivity > [noun] > energy band or gap energy gap1933 impurity level1933 conduction band1939 valence band1956 1956 L. P. Hunter Handbk. Semiconductor Electronics ii. 7 At an intermediate temperature, therefore, the donor levels will be completely ionized..while the valence band remains practically filled. 1982 J. E. Uffenbeck Introd. Electronics i. 7 We can think of the valence band as containing all electrons still held by their parent atoms, while the conduction band contains all free electrons. < as lemmas |
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