Probing the interplay between lattice dynamics and short-range magnetic correlations in CuGeO3 with femtosecond RIXS
- Paris, E. Paul Scherrer Institut
- Nicholson, Christopher W. Université de Fribourg
- Johnston, S. University of Tennessee
- Tseng, Y. Paul Scherrer Institut
- Rumo, Maxime Université de Fribourg
- Coslovich, G. SLAC National Accelerator Laboratory
- Zohar, S. SLAC National Accelerator Laboratory
- Lin, M. F. SLAC National Accelerator Laboratory
- Strocov, V. N. Paul Scherrer Institut
- Saint-Martin, R. Université Paris-Saclay
- Revcolevschi, A. Université Paris-Saclay
- Kemper, A. North Carolina State University
- Schlotter, W. SLAC National Accelerator Laboratory
- Dakovski, G. L. SLAC National Accelerator Laboratory
- Monney, Claude Université de Fribourg
- Schmitt, T. Paul Scherrer Institut
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2021
Published in:
- npj Quantum Materials. - 2021, vol. 6, no. 1, p. 51
English
Investigations of magnetically ordered phases on the femtosecond timescale have provided significant insights into the influence of charge and lattice degrees of freedom on the magnetic sub-system. However, short-range magnetic correlations occurring in the absence of long-range order, for example in spin-frustrated systems, are inaccessible to many ultrafast techniques. Here, we show how time-resolved resonant inelastic X-ray scattering (trRIXS) is capable of probing such short-ranged magnetic dynamics in a charge-transfer insulator through the detection of a Zhang-- Rice singlet exciton. Utilizing trRIXS measurements at the O K-edge, and in combination with model calculations, we probe the short-range spin correlations in the frustrated spin chain material CuGeO3 following photo-excitation, revealing a strong coupling between the local lattice and spin sub-systems.
- Faculty
- Faculté des sciences et de médecine
- Department
- Département de Physique
- Language
-
- English
- Classification
- Physics
- License
- License undefined
- Identifiers
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- RERO DOC 330885
- DOI 10.1038/s41535-021-00350-5
- Persistent URL
- https://folia.unifr.ch/unifr/documents/309606
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