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radiationless process

См. также в других словарях:

  • Zero-phonon line and phonon sideband — The zero phonon line and the phonon sideband jointly constitute the line shape of individual light absorbing and emitting molecules (chromophores) embedded into a transparent solid matrix. When the host matrix contains many chromophores, each… …   Wikipedia

  • Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… …   Wikipedia

  • Non-equilibrium thermodynamics — Thermodynamics …   Wikipedia

  • Auger effect — The Auger effect (pronEng|ˈɔːʒɚ, or Oh jeh) is a phenomenon in physics in which the emission of an electron from an atom causes the emission of a second electron. [GoldBookRef|title=Auger effect|url=http://goldbook.iupac.org/A00520.html] When an… …   Wikipedia

  • Internal conversion (chemistry) — Internal conversion is a transition in from a higher to a lower electronic state in a molecule. It is sometimes called radiationless de excitation , because no photons are emitted. It differs from intersystem crossing in that, while both are… …   Wikipedia

  • luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

  • Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

  • Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …   Wikipedia

  • relaxation phenomenon — ▪ physics and chemistry Introduction       in physics and chemistry, an effect related to the delay between the application of an external stress to a system that is, to an aggregation of matter and its response. It may occur in nuclear, atomic,… …   Universalium

  • Mostafa El-Sayed — Born 8 May 1933 Zifta, Egypt Nationality Egyptian American Alma mater Ain Shams University Florida State University Occupation Chemical …   Wikipedia

  • Henk Buck — (Dordrecht, 1930) studied at the University of Leiden where he received his PhD in 1959. He got a lectorship at the University in Theoretical Organic Chemistry in 1964. For his research he received the Golden Medal of the Royal Netherlands… …   Wikipedia

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