TEMPO beamline

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TEMPO is a soft X-ray beamline optimized for dynamic studies of electronic and
magnetic properties of materials using photoelectron spectroscopy.

Mixed-valence Eu2+/Eu3+ europium salt
Coupling photoemission techniques for a first full spectroscopic characterization

After showing the coexistence of Eu2+/Eu3+ ions in hydrated EuCl3 salt, which was then proved to be EuCl2,85 salt (see 2013 study published in J. Phys Chem. C) a new advance has been made on the TEMPO beamline. A team of researchers from IRAMIS (Saclay), ILM (Lyon) and the ICMR (Reims), in collaboration with researchers from the TEMPO beamline, has performed a full characterization of this ionic solid by combining corelevel and resonant photoemission spectroscopy techniques. Such a study had never been done on a europium-based ionic solid. [Full story]

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Detailed Beamline description

TEMPO is a soft-x-ray beamline designed for time dependent studies of electronic and magnetic properties of materials using photoelectron spectroscopy experiments.
I.D. sourceS.R. ExtractionThe monochromator | Refocussing | Exp. Station #1: UHV PhotoemissionExp. Station #2

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 Beamline scientific articles



- Materials for next-generation solar energy cells

Free layers of graphene obtained after the insertion of silicon on silicon carbide

- Hydrogen-induced nanotunnel opening below the surface, Silicon Carbide

- Nitric acid on snow flakes…

- Mixed valence compounds: TEMPO beamline reveals the divalent character of hydrated Europium salt in Ultra High Vacuum

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Preliminary project

Project status
(october 2005)

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