Author

C. Ophus

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Preprint Aug 2026

Probing three-dimensional structures of complex colloidal quantum dots at the single-atomic level

Colloidal quantum dots (QDs) are promising optoelectronic materials due to their size-tunable properties, yet their three-dimensional (3D) quantum confinement makes electronic states highly sensitive to structural and chemical heterogeneity, which critically impacts their optoelectronic performance. Accurately resolvin...

Qikai Wu, Meng Pei, Jiancheng Zhang et al. · 0 citations

Preprint Sep 2026

5DSTEM of Liquid-Phase Nanocrystal Growth Bridges Ensemble Kinetics and Nanoscale Dynamics

Resolving how ensemble growth kinetics emerge from particle- and grain-level dynamics is essential for predictive control of nanocrystal synthesis. Here, time-resolved four-dimensional scanning transmission electron microscopy (4DSTEM), extended into five dimensions (5DSTEM) through continuous acquisition, is used to s...

Serin Lee, C. Ophus, Jennifer A. Dionne · 0 citations

Preprint Sep 2026

Universal Drift Correction for Multidimensional Scanning Microscopy

In scanning microscopy, drift causes the specimen to be sampled at positions displaced from the nominal probe positions. This displacement alters the spatial assignment of the recorded signals and biases quantitative measurements across two-dimensional imaging, channel-resolved spectroscopic mapping, and scan-position-...

Sangjoon Lee, William Millsaps, Da-Woon Yoon et al. · 0 citations