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What is synchrotron radiation?

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Absorption Techniques for Nano Studies<br />

• XAFS (X-ray Absorption Fine Structures)<br />

Measurement: Absorption coefficient above an edge<br />

Information: Conduction band, Local structure and<br />

bonding<br />

• XES (X-ray Em<strong>is</strong>sion Spectroscopy)<br />

Measurement: X-rays in, x-rays out<br />

Information: Valence band electron d<strong>is</strong>tribution<br />

• XEOL (X-ray Excited Optical Luminescence)<br />

Measurement: X-rays in, optical photons out<br />

Information: origin of luminescence, time dependent<br />

events (dynamics)

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