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Electron transmission through a single glass macrocapillary: dependence on energy and time
Stockholms universitet, Naturvetenskapliga fakulteten, Fysikum, Manne Siegbahn-laboratoriet.
2011 (Engelska)Ingår i: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. T144, s. 014041-Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2011. Vol. T144, s. 014041-
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URN: urn:nbn:se:su:diva-67851DOI: 10.1088/0031-8949/2011/T144/014041ISI: 000291795900042OAI: oai:DiVA.org:su-67851DiVA, id: diva2:471663
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authorCount :4Tillgänglig från: 2012-01-02 Skapad: 2012-01-02 Senast uppdaterad: 2017-12-08Bibliografiskt granskad

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