Abstract
The SPECIES beamline has been transferred to the new 1.5 GeV storage ring atthe MAX IV Laboratory. Several improvements have been made to the beamline and its endstations during the transfer. Together the Ambient Pressure X-ray Photoelectron Spectroscopy and Resonant Inelastic X-ray Scattering endstations are capable of conducting photoelectron spectroscopy in elevated pressure regimes with enhanced time-resolution and flux and X-ray scattering experiments with improved resolution and flux. Both endstations offer a unique capability for experiments at low photon energies in the vacuum ultraviolet and soft X-ray range. In this paper, the upgrades on the endstations and current performance of the beamline are reported.
Highlights
The SPECIES beamline is a soft X-ray undulator beamline on the 1.5 GeV storage ring at MAX IV Laboratory in Lund, Sweden
The exact details of the beamline are mostly unchanged from the previous configuration in 2015 (Urpelainen et al, 2017), and only the upgrades and changes are discussed in this paper
With this case study we demonstrate the capability of the ambient pressure X-ray photoelectron spectroscopy (APXPS) endstation to record UPS data at ambient pressures
Summary
The SPECIES beamline is a soft X-ray undulator beamline on the 1.5 GeV storage ring at MAX IV Laboratory in Lund, Sweden. The concept enables changing the sample environ- In addition, the preparation chamber has ports available for ment swiftly from UHV conditions to ambient pressure since infrequently used equipment, such as evaporation sources, or the AP cell can be removed in-vacuum. Gas for inserting samples that are sensitive to air This so-called larger cone apertures will yield higher electron controlled atmosphere load-lock allows the user to have a transmission in situations where the footprint of the beam well controlled sample transfer atmosphere from the sample is large (for example when using an X-ray anode as a light loading to the measurement without having to expose the source). This distance is often visually confirmed using a camera which looks at the cone and the sample surface
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