Multiple-element spectrometer for non-resonant inelastic X-ray spectroscopy of electronic excitations

被引:108
|
作者
Verbeni, Roberto [1 ]
Pylkkaenen, Tuomas [1 ,2 ]
Huotari, Simo [1 ]
Simonelli, Laura [1 ]
Vanko, Gyoergy [1 ,3 ]
Martel, Keith [1 ]
Henriquet, Christian [1 ]
Monaco, Giulio [1 ]
机构
[1] European Synchrotron Radiat Facil, F-38043 Grenoble 9, France
[2] Univ Helsinki, Dept Phys, Div Mat Phys, FI-00014 Helsinki, Finland
[3] KFKI Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary
关键词
inelastic X-ray scattering; X-ray spectroscopy; crystal analyser; ADVANCED PHOTON SOURCE; RAMAN-SCATTERING; ENERGY RESOLUTION; DYNAMICAL THEORY; BONDING CHANGES; CRYSTAL; DIFFRACTION; PERFORMANCE; DETECTORS; ANALYZERS;
D O I
10.1107/S090904950901886X
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A multiple-analyser-crystal spectrometer for non-resonant inelastic X-ray scattering spectroscopy installed at beamline ID16 of the European Synchrotron Radiation Facility is presented. Nine analyser crystals with bending radii R = 1 m measure spectra for five different momentum transfer values simultaneously. Using a two-dimensional detector, the spectra given by all analysers can be treated individually. The spectrometer is based on a Rowland circle design with fixed Bragg angles of about 88 degrees. The energy resolution can be chosen between 30-2000 meV with typical incident-photon energies of 6-13 keV. The spectrometer is optimized for studies of valence and core electron excitations resolving both energy and momentum transfer. (C) 2009 International Union of Crystallography Printed in Singapore - all rights reserved
引用
收藏
页码:469 / 476
页数:8
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