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Updated: Jun 19, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
Published on: June 28, 2016
Phonon spectroscopy at high pressure by inelastic X-ray scattering
Valentina M Giordano1, Michael Krisch, Giulio Monaco
1European Synchrotron Radiation Facility, Grenoble, France. valentina.giordano@esrf.fr
High-pressure phonon-dispersion studies utilize advanced inelastic X-ray scattering (IXS) with high energy resolution. This research details the experimental setup and presents findings from crystalline and liquid samples under extreme pressure conditions.
Area of Science:
- Condensed matter physics
- Materials science
- High-pressure physics
Background:
- Phonon-dispersion relations are crucial for understanding material properties.
- Studying materials under high pressure reveals unique behaviors and phases.
- Inelastic X-ray scattering (IXS) offers high energy resolution for probing lattice dynamics.
Purpose of the Study:
- To discuss the current state of high-pressure phonon-dispersion studies.
- To describe the instrumental capabilities for such experiments.
- To present recent research examples on crystalline and liquid samples.
Main Methods:
- Utilizing very high energy resolution inelastic X-ray scattering (IXS).
- Employing diamond anvil cells for generating high-pressure conditions.
- Operating at specific beamlines (ID16 and ID28) at the European Synchrotron Radiation Facility (ESRF).
Main Results:
- Demonstration of advanced instrumental setups for high-pressure IXS.
- Presentation of successful phonon-dispersion measurements on various sample types.
- Insights into the behavior of crystalline and liquid materials under pressure.
Conclusions:
- High-pressure IXS is a powerful technique for studying lattice dynamics.
- The described facilities enable cutting-edge research in condensed matter physics.
- Further studies can explore a wider range of materials and pressure regimes.
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