Linear polarization scans for resonant X-ray diffraction with a double-phase-plate configuration

An in-vacuum double-phase-plate diffractometer for performing polarization scans combined with resonant X-ray diffraction experiments is presented. The use of two phase plates enables the correction of some of the aberration effects owing to the divergence of the beam and its energy spread. A higher...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 16(2009), Pt 6 vom: 18. Nov., Seite 778-87
1. Verfasser: Scagnoli, Valerio (VerfasserIn)
Weitere Verfasser: Mazzoli, Claudio, Detlefs, Carsten, Bernard, Pascal, Fondacaro, Andrea, Paolasini, Luigi, Fabrizi, Federica, de Bergevin, Francois
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article
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245 1 0 |a Linear polarization scans for resonant X-ray diffraction with a double-phase-plate configuration 
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520 |a An in-vacuum double-phase-plate diffractometer for performing polarization scans combined with resonant X-ray diffraction experiments is presented. The use of two phase plates enables the correction of some of the aberration effects owing to the divergence of the beam and its energy spread. A higher rate of rotated polarization is thus obtained in comparison with a system with only a single retarder. Consequently, thinner phase plates can be used to obtain the required rotated polarization rate. These results are particularly interesting for applications at low energy (e.g. 4 keV) where the absorption owing to the phase plate(s) plays a key role in the feasibility of these experiments. Measurements by means of polarization scans at the uranium M(4) edge on UO(2) enable the contributions of the magnetic and quadrupole ordering in the material to be disentangled 
650 4 |a Journal Article 
700 1 |a Mazzoli, Claudio  |e verfasserin  |4 aut 
700 1 |a Detlefs, Carsten  |e verfasserin  |4 aut 
700 1 |a Bernard, Pascal  |e verfasserin  |4 aut 
700 1 |a Fondacaro, Andrea  |e verfasserin  |4 aut 
700 1 |a Paolasini, Luigi  |e verfasserin  |4 aut 
700 1 |a Fabrizi, Federica  |e verfasserin  |4 aut 
700 1 |a de Bergevin, Francois  |e verfasserin  |4 aut 
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