期刊
JOURNAL OF SYNCHROTRON RADIATION
卷 18, 期 -, 页码 919-922出版社
WILEY-BLACKWELL
DOI: 10.1107/S0909049511031232
关键词
XAFS; two-dimensional imaging; in situ; quick scanning; pixel array detector
资金
- New Energy and Industrial Technology Department Organization (NEDO) in Japan
Quick-scanning X-ray absorption fine structure (XAFS) measurements were performed in transmission mode using a PILATUS 100K pixel array detector (PAD). The method can display a two-dimensional image for a large area of the order of a centimetre with a spatial resolution of 0.2 mm at each energy point in the XAFS spectrum. The time resolution of the quick-scanning method ranged from 10 s to 1 min per spectrum depending on the energy range. The PAD has a wide dynamic range and low noise, so the obtained spectra have a good signal-to-noise ratio.
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