单词 | photoeffect |
释义 | > as lemmasphotoeffect photoeffect n. Brit. /ˈfəʊtəʊᵻfɛkt/ , U.S. /ˈfoʊdoʊəˌfɛk(t)/ , /ˈfoʊdoʊiˌfɛk(t)/ Physics a photoelectric effect, esp. the emission of an electron from an atom, or a nucleon from a nucleus, by the action of a photon.ΘΚΠ the world > matter > physics > atomic physics > ion > ionization > [noun] > ionization produced by electromagnetic radiation > process or condition photoelectric effect1892 photoeffect1903 internal conversion1905 photoelectric absorption1921 photo-detachment1943 photoejection1964 1903 Encycl. Brit. XXXV. Index 729/4 Photo-effect. 1913 H. S. Allen Photo-electricity i. 8 For substances which show only a ‘normal’ photo-effect the specific photo-electric activity increases continuously as the wave-length diminishes. 1960 R. H. Bube Photoconductivity of Solids i. 2 Two new photoeffects were discovered in the early 1930s. In 1931, Dember..reported that a potential difference was developed in cuprous oxide in the direction of the light. 1996 Physical Rev. B. 54 7662/2 A single transverse mode (TEM00) CO2 laser was used to excite the photoeffect in the junction... A Si photodiode..was used to induce the negative photoeffect. < as lemmas |
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