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physics.ins-det2026
Polariton spectroscopy at the diamond K-edge via X-ray parametric down-conversion
Fridtjof Kerker, Dietrich Krebs, Xenia Brockmüller +4
It has recently been shown that x-ray parametric down-conversion (XPDC) provides access to high-energy polaritons, resulting from the hybridization of down-converted photons with e…
cond-mat.mtrl-sci2026
Volume Collapse Without a Structural Transition in Shock-Compressed FeO
C. Crépisson, T. Stevens, M. Fitzgerald +121
We report x-ray diffraction and emission spectroscopy of FeO under laser-driven shock compression between 31-199 GPa. FeO retains the B1 (rocksalt) structure along the Hugoniot to…