Abstract

The KMC-2 beamline is dedicated to provide X-ray radiation with high energy stability and resolution. The experimental setup is optimized towards offering a wide range of methods and sample environments. Two permanent endstations can be used in alternation. DIFFRACTION is a flexible multi-purpose diffractometer, based on a Huber six circle diffractometer in psi geometry. XANES provides the possibility for EXAFS, XANES and X-ray fluorescence measurements at-air.

Highlights

  • The beamline KMC-2 (Fig. 1) is located at the synchrotron light source BESSY II, HZB, Berlin

  • The beamline is permanently equipped with two endstations, named XANES and DIFFRACTION

  • KMC-2 XANES (Fig. 2) is a dedicated endstation to investigate the short-range environment around selected atomic species in condensed matter by X-ray Absorption Spectroscopy. This station provides the possibility for EXAFS, XANES and X-ray uorescence measurements at-air

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Summary

Introduction

The beamline KMC-2 (Fig. 1) is located at the synchrotron light source BESSY II, HZB, Berlin It provides X-ray radiation with medium photon ux between 4 keV and 15 keV and linear photon polarization, with high energy stability and resolution (Erko et al, 2000). KMC-2 XANES (Fig. 2) is a dedicated endstation to investigate the short-range environment around selected atomic species in condensed matter by X-ray Absorption Spectroscopy. This station provides the possibility for EXAFS, XANES and X-ray uorescence measurements at-air. Sample environment available on-site includes an Anton-Paar Domed Hot Stage for experiments up to 1000°C without geometry restrictions and a Be-dome high temperature vacuum chamber, up to 1000°C, providing vacuum down to 10−6 mbar. Various systems for experiments under controlled atmosphere and gas loading can be provided by the HZB

Instrument application
Source and optical design
Findings
Technical data

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