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Focusing High-Resolution Three-Axis Neutron Diffractometer for Investigations of Special Tasks of Powder Diffractometry

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    0579665 - ÚJF 2024 RIV FR eng C - Conference Paper (international conference)
    Mikula, Pavol - Ryukhtin, Vasil - Strunz, Pavel - Džugan, J.
    Focusing High-Resolution Three-Axis Neutron Diffractometer for Investigations of Special Tasks of Powder Diffractometry.
    EPJ Web of Conferences. Vol. 286. Les Ulis: e d p sciences, 2023, č. článku 03001. ISSN 2100-014X.
    [European Conference on Neutron Scattering (ECNS 2023). Garching (DE), 20.03.2023-23.03.2023]
    R&D Projects: GA MŠMT EF16_013/0001794
    Grant - others:AV ČR(CZ) StrategieAV21/23
    Program: StrategieAV
    Research Infrastructure: CICRR - 90241
    Institutional support: RVO:61389005
    Keywords : three-axis difractometer * powder diffractometry
    OECD category: Nuclear related engineering
    https://doi.org/10.1051/epjconf/202328603001

    Feasibility of focusing high-resolution three-axis diffractometer with the polycrystalline sample between the monochromator and the analyzer was tested for studies of finer effects of powder diffraction lines and for investigations of special tasks of powder diffractometry. The focusing 3-axis diffractometer set-up equipped with bent perfect crystal monochromator and analyzer offers the sensitivity in determination e.g. of strains in polycrystalline materials ε =Δd/d close to 10-5. Together with special tasks of strain/stress studies related namely, to plastic deformation, it permits to study a finer substructure of individual diffraction lines which can appear e.g. in case of polycrystalline alloys where more phases having very close values of the lattice spacing could exist. Resolution properties of the high-resolution diffractometer setting will be documented on several experimental results obtained on unconventional bulk samples.
    Permanent Link: https://hdl.handle.net/11104/0348477

     
     
Number of the records: 1  

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