A mail-in and user facility for X-ray absorption near-edge structure: the CEI-XANES laboratory X-ray spectrometer at the University of Washington

被引:15
作者
Ditter, Alexander S. [1 ]
Jahrman, Evan P. [1 ]
Bradshaw, Liam R. [2 ]
Xia, Xiaojing [3 ]
Pauzauskie, Peter J. [4 ,5 ]
Seidler, Gerald T. [1 ]
机构
[1] Univ Washington, Dept Phys, POB 351650, Seattle, WA 98195 USA
[2] Univ Washington, Mol Anal Facil, 4000 15th Ave NE, Seattle, WA 98195 USA
[3] Univ Washington, Dept Mol Sci & Engn, Seattle, WA 98195 USA
[4] Univ Washington, Dept Mat Sci & Engn, 3920 E Stevens Way NE, Seattle, WA 98195 USA
[5] Pacific Northwest Natl Lab, Phys & Computat Sci Directorate, 902 Battelle Blvd, Richland, WA 99352 USA
基金
美国国家科学基金会;
关键词
XAS; XANES; tabletop; user facility; XAFS; laboratory spectrometer; mail-in XAFS; EMISSION SPECTRA; SYNCHROTRON-RADIATION; SPECTROSCOPY; SULFUR; EXAFS; CRYSTAL; STATE;
D O I
10.1107/S1600577519012839
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
There are more than 100 beamlines or endstations worldwide that frequently support X-ray absorption fine-structure (XAFS) measurements, thus providing critical enabling capability for research across numerous scientific disciplines. However, the absence of a supporting tier of more readily accessible, lower-performing options has caused systemic inefficiencies, resulting in high oversubscription and the omission of many scientifically and socially valuable XAFS applications that are incompatible with the synchrotron facility access model. To this end, this work describes the design, performance and uses of the Clean Energy Institute X-ray absorption near-edge structure (CEI-XANES) laboratory spectrometer and its use as both a user-present and mail-in facility. Such new additions to the XAFS infrastructure landscape raise important questions about the most productive interactions between synchrotron radiation and laboratory-based capabilities; this can be discussed in the framework of five categories, only one of which is competitive. The categories include independent operation on independent problems, use dictated by convenience, pre-synchrotron preparatory use of laboratory capability, post-synchrotron follow-up use of laboratory capability, and parallel use of both synchrotron radiation and laboratory systems.
引用
收藏
页码:2086 / 2093
页数:8
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