The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation (light). Electrons emitted in this manner are... 54 KB (6,535 words) - 15:04, 1 May 2024 |
physical phenomenon. The photovoltaic effect is closely related to the photoelectric effect. For both phenomena, light is absorbed, causing excitation of an... 10 KB (1,335 words) - 05:47, 24 March 2024 |
Compton scattering (redirect from Compton effect) level (e.g. photoelectric effect and Rayleigh scattering), at the nucleus, or with just an electron. Pair production and the Compton effect occur at the... 27 KB (3,752 words) - 05:54, 25 February 2024 |
Work function (redirect from Photoelectric work function) temperatures. The photoelectric work function is the minimum photon energy required to liberate an electron from a substance, in the photoelectric effect. If the... 31 KB (3,655 words) - 18:51, 8 February 2024 |
Photodiode (redirect from Internal photoelectric effect) an electron–hole pair. This mechanism is also known as the inner photoelectric effect. If the absorption occurs in the junction's depletion region, or... 29 KB (3,390 words) - 13:23, 1 May 2024 |
Annus mirabilis papers (section Photoelectric effect) English or Wunderjahr in German). The first paper explained the photoelectric effect, which established the energy of the light quanta E = h f {\displaystyle... 29 KB (3,600 words) - 16:32, 24 April 2024 |
Planck constant (section Photoelectric effect) photoelectric effect did not seem to agree with the wave description of light. The "photoelectrons" emitted as a result of the photoelectric effect have... 87 KB (7,601 words) - 07:14, 1 May 2024 |
Heinrich Hertz (section Photoelectric effect) he did not work with actual X-rays. Hertz helped establish the photoelectric effect (which was later explained by Albert Einstein) when he noticed that... 39 KB (3,893 words) - 18:23, 25 April 2024 |
Photoemission spectroscopy (redirect from Photoelectric spectrum) measurement of electrons emitted from solids, gases or liquids by the photoelectric effect, in order to determine the binding energies of electrons in the substance... 10 KB (1,218 words) - 21:02, 10 December 2023 |
Robert Andrews Millikan (section Photoelectric effect) measurement of the elementary electric charge and for his work on the photoelectric effect. Millikan graduated from Oberlin College in 1891 and obtained his... 47 KB (4,572 words) - 21:41, 24 April 2024 |
Photometry (astronomy) (redirect from Photoelectric magnitude) as a CCD photometer or a photoelectric photometer that converts light into an electric current by the photoelectric effect. When calibrated against standard... 29 KB (3,178 words) - 15:04, 30 April 2024 |
Photomultiplier tube (section Photoelectric effect) separate discoveries of the photoelectric effect and of secondary emission. The first demonstration of the photoelectric effect was carried out in 1887 by... 36 KB (4,462 words) - 17:22, 8 April 2024 |
electron lenses and the accelerating field. The photoemission or photoelectric effect is a quantum electronic phenomenon in which electrons (photoelectrons)... 20 KB (2,698 words) - 17:22, 29 September 2023 |
History of quantum mechanics (section Albert Einstein applies quanta to explain the photoelectric effect) quantum ideas to explain individual phenomena—blackbody radiation, the photoelectric effect, solar emission spectra—an era called the Old or Older quantum theories... 78 KB (9,558 words) - 19:23, 26 April 2024 |
Solar cell (redirect from Photoelectric cell) directly into electricity by means of the photovoltaic effect. It is a form of photoelectric cell, a device whose electrical characteristics (such as... 148 KB (16,857 words) - 06:54, 30 April 2024 |
however, more complex materials have been analyzed since then. The photoelectric effect due to the illumination of the metallic surface extracts electrons... 2 KB (348 words) - 10:55, 7 December 2022 |
Philipp Lenard (redirect from Lenard effect) important contributions was the experimental realization of the photoelectric effect. He discovered that the energy (speed) of the electrons ejected from... 23 KB (2,409 words) - 07:55, 6 April 2024 |
gamma ray interactions is composed of several independent processes: photoelectric effect, Compton scattering, electron-positron pair production in the nucleus... 19 KB (2,447 words) - 22:40, 9 April 2024 |
and lower intensity of light and for different metals. This is the photoelectric effect. Lenard showed that amount of current – the number of electrons –... 66 KB (7,503 words) - 02:08, 13 April 2024 |
striking certain materials generates detectable electric current – the photoelectric effect. This discovery laid the foundation for solar cells. Solar cells... 54 KB (4,926 words) - 05:52, 25 March 2024 |
Piezoelectricity (redirect from Piezoelectric effect) Flexoelectricity Magnetostriction Photoelectric effect Piezoelectric speaker Piezoluminescence Piezomagnetism Piezoresistive effect Piezosurgical Quartz crystal... 85 KB (9,467 words) - 18:07, 27 April 2024 |
calculations of its transition probabilities. He calculated the photoelectric effect for hydrogen and X-rays, obtaining the absorption coefficient at... 169 KB (18,865 words) - 04:40, 20 April 2024 |
an integer number of discrete, equal-sized parts. To explain the photoelectric effect, Einstein introduced the idea that light itself is made of discrete... 100 KB (11,201 words) - 17:07, 23 March 2024 |
Photodetector (redirect from Photoelectric receiver) detectors are typically made of semiconductors. Photoemission or photoelectric effect: Photons cause electrons to transition from the conduction band of... 21 KB (2,417 words) - 10:46, 26 October 2023 |