6 papers
Visualizing Degradation in Anode-Free High-Utilization Aqueous Batteries Across Cell Lifetime
Sofia K. Catalina, Kyle Frohna, Willow Thompson +6
Operando microscopy has unveiled key mechanistic insights in battery materials during early cycling, but long-term characterization to unveil material evolution, degradation, and f…
Mind the Gap -- Imaging Buried Interfaces in Twisted Oxide Moirés
Harikrishnan KP, Xin Wei, Chia-Hao Lee +10
The ability to tune electronic structure in twisted stacks of two-dimensional (2D) materials has motivated the exploration of similar moiré physics with twisted oxide membranes. D…
Cepstral Strain Mapping for Small Pixel-Count Detectors
Harikrishnan KP, Dasol Yoon, Yu-Tsun Shao +6
With the decreasing sizes of integrated-circuit components, the semiconductor industry is in growing need of high-throughput strain mapping techniques that offer high precision and…
PtyRAD: A High-performance and Flexible Ptychographic Reconstruction Framework with Automatic Differentiation
Chia-Hao Lee, Steven E. Zeltmann, Dasol Yoon +2
Electron ptychography has recently achieved unprecedented resolution, offering valuable insights across diverse material systems, including in three dimensions. However, high-quali…
Mic-hackathon 2024: Hackathon on Machine Learning for Electron and Scanning Probe Microscopy
Utkarsh Pratiush, Austin Houston, Kamyar Barakati +70
Microscopy is a primary source of information on materials structure and functionality at nanometer and atomic scales. The data generated is often well-structured, enriched with me…
Microscopic mechanisms of flexoelectricity in oxide membranes
Harikrishnan KP, Varun Harbola, Jaehong Choi +9
Modern electromechanical actuators and sensors rely on the piezoelectric effect that linearly couples strain and electric polarization. However, this effect is restricted to materi…