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Radiation-Induced Desorption from the Nanopowder

Published online by Cambridge University Press:  10 February 2011

O.L. Khasanov ,
Yu.P. Pokholkov ,
A.L. Bondarenko  and
V.P. Krivobokov
O.L. Khasanov
Affiliation:
R&D Center «Spectra», Tomsk Polytechnic University, PO Box 3878, Tomsk, 634034 Russia, khasanov@phtd.tpu.edu.ru
Yu.P. Pokholkov
Affiliation:
R&D Center «Spectra», Tomsk Polytechnic University, PO Box 3878, Tomsk, 634034 Russia, khasanov@phtd.tpu.edu.ru
A.L. Bondarenko
Affiliation:
R&D Center «Spectra», Tomsk Polytechnic University, PO Box 3878, Tomsk, 634034 Russia, khasanov@phtd.tpu.edu.ru
V.P. Krivobokov
Affiliation:
R&D Institute of Nuclear Physics, Lenin Av., 2a, Tomsk, 634050 Russia
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Abstract

The mechanisms of radiation-induced desorption (RID) from the nanodispersed powder (NDP) surface under the impulse excitation of heavy-current electron beam (HCEB) were studied. Electron-induced desorption (EID); temperature-induced desorption (TID) as a result of radiation heating of the adsorbent; radiation-induced diffusion of the adsorbed atoms; re-adsorption were considered.

It was shown that radiation-induced desorption was observed during the first two pulses. The main mechanism of this process was electron-induced desorption (EID).

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 520: Symposium P – Nanostructured Powders & Their Industrial Application , 1998 , 89
Copyright
Copyright © Materials Research Society 1998

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References

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