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Emission of photoelectrons, especially from metallic surfaces.


(General Physics) the emission of electrons due to the impact of electromagnetic radiation, esp as a result of the photoelectric effect
ˌphotoeˈmissive adj


(ˌfoʊ toʊ ɪˈmɪʃ ən)

the emission of electrons from a surface absorbing electromagnetic radiation, as light.
pho`to•e•mis′sive (-ɪˈmɪs ɪv) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.photoemission - an emission of photoelectrons (especially from a metallic surface)
emission - the release of electrons from parent atoms
References in periodicals archive ?
2001) Comparative study of Auger-free luminescence and valence-band photoemission in wide-gap materials.
Fischer, Reaction of NO2 with Zn and ZnO: Photoemission, XANES, and Density Functional Studies on the Formation of NO3, J.
Photoemission is the emission of an electron from the surface of a material when light falls on it.
X-ray photoemission spectroscopy (XPS) indicated the presence of 5% O species 2%-3% -C = O groups and 2%-3% -C-O groups [39].
Tenders invited for Supply and warranty of ambient pressure photoemission spectroscopy system with scanning probe plus surface photovoltage and surface photovoltage spectroscopy for the measurement of work function, lonisation potential, fermi energy, local density of states, highest occupied metallic orbital, band gap, open circuit voltage, surface photo voltage.
It is a new quantum-mechanical approach allowed him to formulate the law of photoemission (in physics it came as <<<<Einstein law of the photoelectric effect>>) [3, 9].
UV irradiation study of a tripeptide isolated in an argon matrix: A tautomerism process evidenced by infrared and Xray photoemission spectroscopies.
The core-level C 1s X-ray photoelectron microscopy (XPS) and ultraviolet photoemission spectroscopy (UPS) measurements of the FLG and MWCNT were performed on the monochromatic Al [K.
2] NPs with HSA can also validate with other techniques such as gel electrophoresis, X-ray photoemission spectroscopy and isothermal titaration calorimetry (ITC) (28).
Wells and his students used x-ray photoemission spectroscopy (XPS) to look at the surface chemistry of one of the most commonly used chemotherapy drugs, 5-Fluorouracil (5-Fu), and the interaction between it and the type of silver coating found in medical equipment.
IR spectroscopy provides an indication of the surface modification reaching a depth of analysis around 5 pm, while X-ray photoemission spectroscopy (XPS) provides information on changes in the most superficial level (5 nm depth).