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Electron transmission through a single glass macrocapillary: dependence on energy and time
Stockholm University, Faculty of Science, Department of Physics, The Manne Siegbahn Laboratory.
2011 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. T144, 014041- p.Article in journal (Refereed) Published
Abstract [en]

The transmission of electrons through an insulating single cylindrically shaped glass capillary of macroscopic dimensions has been investigated for electron energies from 300 to 1000 eV using a high-resolution electrostatic parallel-plate analyzer (spectrometer). The transmitted intensity decreased with increasing sample tilt angle relative to the beam direction, and had two regions: direct, where there is no interaction of the beam with the inner capillary wall, and indirect, where it does interact. From the full-width-at-half-maximum of the angular distributions, the indirect region was found to reveal a further two distinct areas of characteristics versus tilt angle with respect to elasticity/inelasticity of transmitted electrons. Electron transmission for the case of no tilt of the sample was found to be time dependent, due to charge-up of the capillary inner surface. The new results are compared with previous experimental data obtained using a 10x lower resolution spectrometer.

Place, publisher, year, edition, pages
2011. Vol. T144, 014041- p.
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-67851DOI: 10.1088/0031-8949/2011/T144/014041ISI: 000291795900042OAI: diva2:471663
authorCount :4Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2012-01-02Bibliographically approved

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Das, Susanta
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