期刊
APPLIED PHYSICS LETTERS
卷 82, 期 19, 页码 3360-3362出版社
AMER INST PHYSICS
DOI: 10.1063/1.1573352
关键词
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Hard x-ray absorption spectroscopy is combined with scanning microtomography to reconstruct full near-edge spectra of an elemental species at each location on an arbitrary virtual section through a sample. These spectra reveal the local concentrations of different chemical compounds of the absorbing element inside the sample and give insight into the oxidation state, the local atomic structure, and the local projected free density of states. The method is implemented by combining a quick scanning monochromator and data acquisition system with a scanning microprobe setup based on refractive x-ray lenses. (C) 2003 American Institute of Physics.
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