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photoconductive effect การใช้

ประโยคมือถือ
  • In a Technikat鰎t閚eti Szemle article, subsequently reissued on the internet, entitled " The Iconoscope : Kalman Tihanyi and the Development of Modern Television ", Tihanyi's daughter Katalin Tihanyi Glass notes that her father found the " storage principle " included a " new physical phenomenon ", the photoconductive effect:
  • Evident from these characterizations is that while under the photoelectric effect bound electrons released from such photosensitive materials vary linearly with the frequency of the radiation, " that is for each incident photon an electron is ejected ", under the storage effect a photoconductive and photovoltaic phenomenon occurs where ( " apart from the liberation of electrons from metals " ) when photons are absorbed in a p-n junction ( in a semiconductor ) or metal-semiconductor junction, " new free charge carriers are produced ", ( photoconductive effect ) and where " the electric field in the junction region causes the new charge carriers to move, creating a flow of current in an external circuit without the need for a battery ", ( photovoltaic effect ) ( " The International Dictionary of Physics and Electronics ", N . Y . 1956, 1961, pp . 126, 183, 859-861, 863, 1028-1028, 1094-1095 ).