| 单词 | field emission |
| 释义 | > as lemmasfield emission field emission n. Physics the emission of electrons from the surface of a conductor under the influence of a strong electric field as a result of the tunnel effect. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > [noun] > penetration of barrier > result of field emission1928 1928 Proc. Royal Soc. A. 119 173 As the higher temperatures, at which ordinary thermionic emission begins, are approached, the strong field emission does become sensitive to temperature and finally blends into the thermionic. 1965 New Scientist 17 June 781/1 Field-emission diodes could prove very useful at microwave frequencies if they were placed in a superconducting cavity. 2006 A. G. Lyne & F. Graham-Smith Pulsar Astron. (ed. 3) xx. 233 The emission from the surface, which may be thermal or field emission. < as lemmas |
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