Study of electron transmission through a platinum tube

We have measured 200eV electron transmission through a single platinum tube of a diameter of 3.3mm. We find that the transmission of electrons can be detected even at large tilt angles, where the tube is not transparent geometrically. The transmission drops down exponentially with increasing the til...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2015-07, Vol.354, p.86-89
Main Authors: Milosavljević, A.R., Ranković, M.Lj, Borka, D., Maljković, J.B., Bereczky, R.J., Marinković, B.P., Tőkési, K.
Format: Article
Language:English
Subjects:
Angles (geometry)
Camber
Electrons
Flats
Inelastic scattering
Mathematical models
Platinum
Platinum capillary
Tilt
Transmission
Tubes
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Summary:We have measured 200eV electron transmission through a single platinum tube of a diameter of 3.3mm. We find that the transmission of electrons can be detected even at large tilt angles, where the tube is not transparent geometrically. The transmission drops down exponentially with increasing the tilt angle. The energy spectrum of detected electrons behind the tube contain contributions at lower energies due to both inelastic scattering and secondary electron emission. The spectrum is qualitatively in good agreement with the calculations performed for the flat Pt surface in order to understand and model the electron interaction processes that define the transmission and the energy spectrum at the exit.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2014.11.087