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Very Low Energy Electron Transmission Spectro-Microscopy

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    0510315 - ÚPT 2020 DE eng A - Abstract
    Daniel, Benjamin - Zouhar, Martin - Radlička, Tomáš - Piňos, Jakub - Materna-Mikmeková, Eliška - Konvalina, Ivo - Frank, Luděk - Müllerová, Ilona
    Very Low Energy Electron Transmission Spectro-Microscopy.
    Microscopy Conference: MC 2019. Abstracts. Berlin: DSE, 2019. s. 609-610.
    [Microscopy Conference : MC 2019. 01.09.2019-05.09.2019, Berlin]
    R&D Projects: GA TA ČR(CZ) TN01000008; GA TA ČR(CZ) TE01020118
    Institutional support: RVO:68081731
    Keywords : very low energy * electron transmission spectro-microscopy
    OECD category: Electrical and electronic engineering
    https://www.microscopy-conference.de

    Scanning Low Energy Electron Microscopy (SLEEM) is a technique that combines an ordinary (low voltage) SEM with a biased specimen stage to form a cathode lens. This allows for specimen imaging using electron energies below 50 eV, while retaining resolution on the nanometer scale.
    At such low energies, electron interaction with solids is changed and increased drastically in comparison to usual SEM
    with electron energies of at least several keV. The role of the atomic number for material contrast decreases, interactions of the electrons with the local density of states gain importance. As a result the mechanism of contrast formation in SLEEM is quite different and currently not well understood.
    Permanent Link: http://hdl.handle.net/11104/0300821

     
     
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