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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.


  1. Nelson, K. D., Mao, Z. Q., Maeno, Y. & Liu, Y. Science 306, 1151–1153 (2004).

    Article  CAS  Google Scholar 

  2. Grigera, S. A. et al. Science 294, 329–332 (2001).

    Article  CAS  Google Scholar 

  3. Brodsky, D. O. et al. Sci. Adv. 3, e1501804 (2017).

    Article  Google Scholar 

  4. Witczak-Krempa, W., Chen, G., Kim, Y. B. & Ballents, L. Annu. Rev. Condens. Matter Phys. 5, 57–82 (2017).

    Article  Google Scholar 

  5. Suzuki, H. et al. Nat. Mater. (2019).

    Article  CAS  Google Scholar 

  6. Ament, L. J. P., van Veenendaal, M., Devereaux, T. P., Hill, J. & Brink, J. Rev. Mod. Phys. 83, 705–767 (2011).

    Article  CAS  Google Scholar 

  7. Fatale, S., Moser, S. & Grioni, M. J. Elec. Spec. Rel. Phen. 200, 274–281 (2015).

    Article  CAS  Google Scholar 

  8. Kim, J. et al. Phys. Rev. Lett. 108, 177003 (2012).

    Article  Google Scholar 

  9. Chaix, L. et al. Nat. Phys. 13, 952–956 (2017).

    Article  CAS  Google Scholar 

  10. Hepting, M. et al. Nature 563, 374–378 (2018).

    Article  CAS  Google Scholar 

  11. Jia, C., Wohlfeld, K., Wang, Y., Moritz, B. & Devereaux, T. P. Phys. Rev. X. 6, 021020 (2016).

    Google Scholar 

Download references

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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).

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