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Figure 5
X-ray-induced relaxation dynamics of the as-deposited v-Ta2O5 sample at Q = 20 nm−1. Top: MT-2TC function for lag times τ > 1 s, computed from 60000000 frames at 1 ms, capturing the evolution of the relaxation dynamics during beam exposure. Vertical dashed red lines indicate the stationary time windows selected for IA analysis. Bottom: corresponding g(2) functions obtained by averaging over the selected windows. Access to faster dynamics is limited to the wider time windows, which exhibit improved SNR; therefore, only g(2) from these windows are shown for short lag times (τ < 1 s). Inset: extracted relaxation times and stretching exponents, which progressively increase and decrease, respectively, with dose, both following an approximately exponential trend.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 3| May 2026| Pages 698-707
https://doi.org/10.1107/S1600577526002171
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