FinEstBeaMS: A wide-range Finnish-Estonian Beamline for Materials Science at the 1.5 GeV storage ring at the MAX IV Laboratory

Rainer Pärna, Rami Sankari, Edwin Kukk, Ergo Nömmiste, Mika Valden, Marko Lastusaari, Kuno Kooser, Kalevi Kokko, Mika Hirsimäki, Samuli Urpelainen, Paavo Turunen, Antti Kivimäki, Vladimir Pankratov, Liis Reisberg, Franz Hennies, Hamed Tarawneh, Ralf Nyholm, Marko Huttula

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    The FinEstBeaMS beamline is under construction at the 1.5 GeV
    storage ring of the MAX IV Laboratory at Lund, Sweden. It has been
    designed to cover an unusually wide energy range from ultraviolet (4.3
    eV) to soft X-rays (1000 eV) but experiment will also be possible at the
    Mg and Al Ka energies. Instead of having two insertion devices and a
    deferent optical scheme for low and high photon energy regions, we have
    based our design on a single long-period, elliptically polarizing
    undulator and a plane grating monochromator. This solution will provide
    very good conditions for planned experiments in the whole photon energy
    region. The beamline will have two branches: one will be used to
    investigate free atoms, molecules and clusters with photoelectron/photoion
    coincidence spectroscopy as well as solids with photoluminescence
    spectroscopy whereas the other one will be dedicated to ultra-high vacuum
    studies of surfaces and interphases, utilizing X-ray photoelectron
    spectroscopy and X-ray absorption spectroscopy. This paper focuses on the
    optical design of the beamline and general design concepts of the gasphase
    and solid-state end stations.
    Original languageEnglish
    Pages (from-to)83-89
    Number of pages7
    JournalNuclear instruments and Methods in Physics Research Section A: Accelerators Spectrometers Detectors and Associated Equipment
    Publication statusPublished - 1 Jul 2017
    Publication typeA1 Journal article-refereed

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