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P. Voyles

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Preprint Aug 2026

Accurate Evaluation of Nanoscale Spatiotemporal Dynamics with Electron Correlation Microscopy

Electron correlation microscopy (ECM) can measure materials dynamics with nanoscale spatial resolution from intensity correlation functions. However, adopting X-ray photon correlation spectroscopy (XPCS) normalization frameworks unchanged when calculating intensity correlations can introduce errors. Due to the constrai...

Po-Cheng Kung, Ajay Annamareddy, M. Ediger et al. · 0 citations
Preprint Sep 2026

Morphology and Dynamics of Self-interstitial Clusters in Irradiated Nickel

Self-interstitial atom (SIA) clustering is a key early step in radiation damage evolution in face-centered cubic (FCC) metals, governing defect transport, recombination, and the long-term microstructural response of irradiated alloys. We combine molecular dynamics (MD) simulations and high-speed (>1000 frames/s) in sit...

Ajay Annamareddy, I. Momohjimoh, Hang Li et al. · 0 citations
Open access Aug 2026

Structure and dynamics in metallic glasses from nanodiffraction

Medium-range structure at a length scale between ~0.5 and 3 nm strongly influences the properties and phase transformations of metallic glass alloys. Electron diffraction methods based on four-dimensional scanning transmission electron microscopy are well suited for characterizing such structure using nanodiffraction w...

P. Voyles, H. Rösner, Gerhard Wilde · 0 citations

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