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cond-mat.dis-nn2026
Effect of glass stability on the low frequency vibrations of vapor deposited glasses
I. Festi, E. Alfinelli, D. Bessas +8
Ultra-stable glasses prepared from the physical vapor deposition of organic molecules present a very low density of two-level states, the kind of glass defects that determine their…
cond-mat.mtrl-sci2026
X-ray photo-induced atomic motion in Phase Change Materials and conventional covalent chalcogenide glasses
Irene Festi, Antoine Cornet, Tomoki Fujita +10
X-ray Photon Correlation Spectroscopy (XPCS) enables direct access to atomic-scale dynamics in disordered materials, revealing both spontaneous and X-ray-induced relaxation process…