|Journal||Physical Review B|
|Publication status||Published - 6 Jun 2022|
Bibliographical noteFunding Information:
The authors thank Antony Carrington for valuable discussions. This work was partially supported by the EPSRC under Grants No. EP/V048759/1 and No. EP/L015544/1, as well as the ERC Horizon 2020 programme under Grant No. 715262-HPSuper. O.L. acknowledges support from the Royal Society in the form of a University Research Fellowship (UF150057). We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III and we thank Hanns-Peter Liermann for assistance in using P02.2. Beamtime was allocated for Proposal No. I-20210376 EC.
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