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Correlation between antiferromagnetic and charge-density-wave order in UPt$_{2}$Si$_{2}$ studied by resonant X-Ray scattering

Fusako Kon, Chihiro Tabata, Kodai Miura, Ruo Hibino, Hiroyuki Hidaka, Tatsuya Yanagisawa, Hironori Nakao, Hiroshi Amitsuka

SciPost Phys. Proc. 11, 011 (2023) · published 5 June 2023

Proceedings event

International Conference on Strongly Correlated Electron Systems


Relationship between antiferromagnetic order with Néel temperature of 35 K and charge-density-wave (CDW) order below 320 K of UPt$_2$Si$_2$ has been investigated by resonant X-ray scattering measurements. We have found that a resonant scattering signal develops below the Néel temperature at the ${ M}_{ 4}$ absorption edge of uranium with a propagation vector of the CDW order ${ q}_{ CDW} \sim$ (0.42, 0, 0). The experimental results reveal that the magnetic structure of UPt$_2$Si$_2$ is modulated by the CDW ordering.

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