International Tables for Crystallography

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Sum rules for the analysis of nuclear resonant absorption spectra
Ralf Röhlsberger and Michael Y. Hu. International Tables for Crystallography (2022). Vol. I [ doi:10.1107/S1574870720007582 ]

Abstract

Nuclear resonant scattering of synchrotron radiation (NRS) has become an established tool in condensed-matter research. Synchrotron radiation, with its outstanding brilliance, transverse coherence and polarization, has opened this field to many unique studies. These range from fundamental research in the field of light–matter interaction to condensed matter physics and materials science. This applies in particular to the electronic and magnetic structure of very small sample volumes such as microstructures and nanostructures, and samples under extreme conditions of temperature and pressure. The application of high-resolution monochromatization techniques routinely allows one to record lattice dynamical properties via inelastic nuclear resonance excitation with sub-meV energy resolution. After a brief introduction to the NRS technique, this contribution provides an overview of how sum rules can be applied to NRS absorption spectra to reveal dynamical properties of condensed-matter systems.


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About International Tables for Crystallography

International Tables for Crystallography is the definitive resource and reference work for crystallography. The multi-volume series comprises articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the structure and properties of materials.