The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation such as ultraviolet light. Electrons emitted...
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physical phenomenon. The photovoltaic effect is closely related to the photoelectric effect. For both phenomena, light is absorbed, causing excitation of an...
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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...
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theoretical physics, and especially for his discovery of the law of the photoelectric effect", a pivotal step in the development of quantum theory. Born in the...
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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...
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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...
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Annus mirabilis papers (section Photoelectric effect)
his annus mirabilis (miracle year). The first paper explained the photoelectric effect, which established the energy of the light quanta E = h f {\displaystyle...
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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...
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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...
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electron lenses and the accelerating field. The photoemission or photoelectric effect is a quantum electronic phenomenon in which electrons (photoelectrons)...
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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...
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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...
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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...
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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...
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irradiating a material with a beam of X-rays. XPS is based on the photoelectric effect that can identify the elements that exist within a material (elemental...
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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...
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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...
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of his older brother Maurice and dealt with the features of the photoelectric effect and the properties of x-rays. These publications examined the absorption...
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velocity of these electrons did not depend on intensity. This is the photoelectric effect. The continuous wave theories of the time predicted that more light...
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and frequency in Albert Einstein's 1905 paper, which explained the photoelectric effect. These early attempts to understand microscopic phenomena, now known...
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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...
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calculations of its transition probabilities. He calculated the photoelectric effect for hydrogen and X-rays, obtaining the absorption coefficient at...
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Piezoelectricity (redirect from Piezoelectric effect)
Flexoelectricity Magnetostriction Photoelectric effect Piezoelectric speaker Piezoluminescence Piezomagnetism Piezoresistive effect Piezosurgical Quartz crystal...
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generally termed the photoelectric effect (external gamma rays and ultraviolet rays may also cause this effect). The photoelectric effect should not be confused...
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an integer number of discrete, equal-sized parts. To explain the photoelectric effect, Einstein introduced the idea that light itself is made of discrete...
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research the photoelectric effect. They showed that photoelectrons appeared within 2 x 10−9 seconds of the photons striking the photoelectric surface—close...
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photodiode, which in general are semiconductor diodes that exploit the photoelectric effect to convert light into electricity. APDs use materials and a structure...
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Corona discharge (redirect from Corona effect)
instead, the dominant process generating secondary electrons is the photoelectric effect, from the surface of the electrode itself. The work function of the...
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frequency and also explained an unpublished law of Stokes and the photoelectric effect. This published postulate was specifically cited by the Nobel Prize...
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"quanta of electricity" (electrons), was used in a 1902 article on the photoelectric effect by Philipp Lenard, who credited Hermann von Helmholtz for using the...
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