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  1. 1 Acta Physica Polonica A

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  1. 1 2009

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  1. 1 Fink R.

  2. 1 Hub C.

  3. 1 Tzvetkov G.

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Zone-Plate Based Nanospectroscopy with Soft X-Rays at the SLS

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Fink R., Hub C., Tzvetkov G.
Acta Physica Polonica A
|
2009
|
vol. 115
|
issue 2
462-466
EN
With the advance of nanostructuring techniques and the availability of third-generation synchrotron sources, Fresnel-type zone plate optics is widely used for nanospectroscopic investigations with resolutions of several 10 nm. Whereas hard X-rays commonly use diffraction or elemental contrast (e.g. using X-ray fluorescence), soft X-rays are favored to utilize the spectroscopic contrast in the near-edge region of the absorption edge. In particular, for soft materials, the relevant C-, N- and O 1s absorption edges show distinct resonances which allow fingerprint-type chemical identification, even in water surroundings. Few selected examples from modern material science will be discussed to demonstrate that the combination of X-ray absorption spectroscopy with high spatial resolution yields new insight into the nanoscale properties of these materials.
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