Related Experiment Video
Updated: Aug 16, 2025
08:53
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
Published on: October 9, 2012
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Time and Angle-Resolved Time-of-Flight Electron Spectroscopy for Functional Materials Science
Nomi Lucia Ada Nathalie Sorgenfrei1, Erika Giangrisostomi1, Danilo Kühn1
1Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Helmholtz-Zentrum Berlin GmbH, Albert-Einstein-Str. 15, 12489 Berlin, Germany.
Molecules (Basel, Switzerland)
|December 23, 2022
Summary
New electron spectroscopy techniques combine chemical and structural analysis for functional materials. This advancement utilizes pulsed X-ray sources and advanced detectors for unprecedented insights into material properties.
Area of Science:
- Materials Science
- Surface Science
- Spectroscopy
Background:
- Functional materials science benefits from advanced analytical techniques.
- Pulsed X-ray sources offer new possibilities for time-resolved studies.
Purpose of the Study:
- To showcase developments in electron spectroscopy for chemical and structural analysis.
- To demonstrate the capabilities of the SurfaceDynamics instrument.
Main Methods:
- Angle-resolved time-of-flight electron detection.
- Electron spectroscopy for chemical analysis (ESCA).
- Photoelectron diffraction (PED).
- Utilizing pulsed X-ray sources (femtosecond and picosecond).
Main Results:
- Achieved combined chemical sensitivity and structural information.
- Studied the phase transition properties of 1T-TaS2.
- Demonstrated the utility of the SurfaceDynamics instrument at BESSY II.
Conclusions:
- Advanced electron spectroscopy with pulsed X-rays provides significant impetus for functional materials science.
- The developed methods are scalable to current and future pulsed X-ray source capabilities.
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