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SPECTROSCOPY

Tender X-rays

A tender X-ray momentum-resolved spectroscopy for probing elementary excitations in 4d quantum materials is reported and used to measure dispersive spin excitations in a ruthenate microcrystal.

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Fig. 1: Schematics of the coherent two-step RIXS process.

Figure adapted from ref. 9, SNL.

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Correspondence to Wei-Sheng Lee.

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Lee, WS., Moritz, B. Tender X-rays. Nat. Mater. 18, 537–538 (2019). https://doi.org/10.1038/s41563-019-0358-8

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