Confocal depth-resolved fluorescence micro-X-ray absorption spectroscopy for the study of cultural heritage materials : a new mobile endstation at the Beijing Synchrotron Radiation Facility

A confocal fluorescence endstation for depth-resolved micro-X-ray absorption spectroscopy is described. A polycapillary half-lens defines the incident beam path and a second polycapillary half-lens at 90° defines the probe sample volume. An automatic alignment program based on an evolutionary algori...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 24(2017), Pt 5 vom: 01. Sept., Seite 1000-1005
1. Verfasser: Chen, Guang (VerfasserIn)
Weitere Verfasser: Chu, Shengqi, Sun, Tianxi, Sun, Xuepeng, Zheng, Lirong, An, Pengfei, Zhu, Jian, Wu, Shurong, Du, Yonghua, Zhang, Jing
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article confocal XAS depth-dependent valence distribution mobile endstation sacrificial red glaze
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520 |a A confocal fluorescence endstation for depth-resolved micro-X-ray absorption spectroscopy is described. A polycapillary half-lens defines the incident beam path and a second polycapillary half-lens at 90° defines the probe sample volume. An automatic alignment program based on an evolutionary algorithm is employed to make the alignment procedure efficient. This depth-resolved system was examined on a general X-ray absorption spectroscopy (XAS) beamline at the Beijing Synchrotron Radiation Facility. Sacrificial red glaze (AD 1368-1644) china was studied to show the capability of the instrument. As a mobile endstation to be applied on multiple beamlines, the confocal system can improve the function and flexibility of general XAS beamlines, and extend their capabilities to a wider user community 
650 4 |a Journal Article 
650 4 |a confocal XAS 
650 4 |a depth-dependent valence distribution 
650 4 |a mobile endstation 
650 4 |a sacrificial red glaze 
700 1 |a Chu, Shengqi  |e verfasserin  |4 aut 
700 1 |a Sun, Tianxi  |e verfasserin  |4 aut 
700 1 |a Sun, Xuepeng  |e verfasserin  |4 aut 
700 1 |a Zheng, Lirong  |e verfasserin  |4 aut 
700 1 |a An, Pengfei  |e verfasserin  |4 aut 
700 1 |a Zhu, Jian  |e verfasserin  |4 aut 
700 1 |a Wu, Shurong  |e verfasserin  |4 aut 
700 1 |a Du, Yonghua  |e verfasserin  |4 aut 
700 1 |a Zhang, Jing  |e verfasserin  |4 aut 
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