Abstract
PEAXIS (Photo Electron Analysis and resonant X-ray Inelastic Spectroscopy) is a dedicated endstation installed at the beamline U41-PEAXIS that offers high resolution soft X-ray spectroscopy measurements with incident photon energies ranging from 180 – 1600 eV. The endstation combines two X-ray spectroscopic techniques, X-ray photoelectron spectroscopy (XPS) and resonant inelastic soft X-ray scattering (RIXS), which are important for probing the electronic structure and local and collective excitations of solid-state materials. It features a continuous variation of scattering angle under UHV conditions for wave vector-resolved studies and a modular sample environment that allows investigation in the temperature range between 10 K and 1000 K.
Highlights
The electronic structure and dynamics of materials determine their fundamental and functional properties which are relevant for technological applications
The instrument is designed for studying solid-state materials by Resonant Inelastic X-ray Scattering (RIXS) and X-ray Photoelectron Spectroscopy (XPS) and, in addition, allows for the investigation of liquids encapsulated in a sealed
The xed endstation is installed at the beamline U41-PEAXIS of BESSY II providing monochromatic, linearly polarized light
Summary
The electronic structure and dynamics of materials determine their fundamental and functional properties which are relevant for technological applications. The instrument is designed for studying solid-state materials by Resonant Inelastic X-ray Scattering (RIXS) and X-ray Photoelectron Spectroscopy (XPS) and, in addition, allows for the investigation of liquids encapsulated in a sealed. The instrument is capable of performing angle-resolved XPS measurements allowing to probe the electronic structure of material from surface to bulk. In-house developed software (Centralized Hardware-Overseeing Server, CHaOS and Augmented Data Loading Evaluation Reduction, ADLER) is available to remotely control the experiment and perform a rst-level analysis of the raw data. This allows users to have real-time feedback on the acquired data that is critical for remote-access experiments
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