单词 | impact ionization |
释义 | > as lemmasimpact ionization impact ionization n. Physics ionization of a particle through collision with an accelerated charged particle; esp. the creation of electron–hole pairs in a semiconductor in this way. ΚΠ 1905 Physical Rev. 20 137 The building up of successive ionization in a gas by impact may be expressed by the following equation.] 1909 Trans. Amer. Inst. Electr. Engineers 27 910 A very definite and measured amount of energy is necessary to produce by impact ionization of un-ionized or non-ionized particles. 1954 H. Friedman et al. in Symp. Fluorescent X-ray Spectrographic Anal. (Amer. Soc. Testing & Materials) 16/1 As the voltage is increased further, impact ionization may start at greater distances from the wire. 2008 B. J. Baliga Fund. Power Semiconductor Devices iii. 92 Since the electron–hole pairs created by impact ionization also undergo acceleration by the electric field..they participate in the creation of further pairs of electrons and holes. < as lemmas |
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