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Study of Non-Equilibrium Auge-Transition According to Emission Auge-Spectroscopy
Abstract
A non-equilibrium Auger-transition is investigated, which consists in the fact that a vacancy in the valence layer is filled in a time of ~ 10-14 s with an electron of the probe, which receives the energy released as a result of the transition of a valence electron to the K-layer and emits it from the surface. For the first time, a non-equilibrium Auger-spectrum was obtained from the surface of thin (8–10 atomic layers) films of silver oxide Ag2O on a Si3N4 substrate at a probe radiation energy of 8–10 keV. The probability of the escape of non-equilibrium Auger-electrons is analyzed depending on the atomic number. The characteristic amplitude peaks characterizing the contribution of non-equilibrium Auger-electrons to the recorded signal are established. Based on the mathematical model describing the dynamics of the non-equilibrium Auger-process, its probability, relaxation time, and also the cross section for the capture of a free carrier by a neutral vacancy are calculated.
About the Authors
E. R. Burmistrov
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Moscow
L. P. Avakyants
M. V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Moscow
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Review
For citations:
Burmistrov E.R., Avakyants L.P. Study of Non-Equilibrium Auge-Transition According to Emission Auge-Spectroscopy. Zhurnal Prikladnoii Spektroskopii. 2021;88(5):675-681. (In Russ.)
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