Machine learning in scanning transmission electron microscopy

SV Kalinin, C Ophus, PM Voyles, R Erni… - Nature Reviews …, 2022 - nature.com
Scanning transmission electron microscopy (STEM) has emerged as a uniquely powerful
tool for structural and functional imaging of materials on the atomic level. Driven by …

Deep learning in electron microscopy

JM Ede - Machine Learning: Science and Technology, 2021 - iopscience.iop.org
Deep learning is transforming most areas of science and technology, including electron
microscopy. This review paper offers a practical perspective aimed at developers with …

Constructing phase boundary in AgNbO3 antiferroelectrics: pathway simultaneously achieving high energy density and efficiency

N Luo, K Han, MJ Cabral, X Liao, S Zhang… - Nature …, 2020 - nature.com
Dielectric capacitors with high energy storage density (W rec) and efficiency (η) are in great
demand for high/pulsed power electronic systems, but the state-of-the-art lead-free dielectric …

Short-range order and its impact on the CrCoNi medium-entropy alloy

R Zhang, S Zhao, J Ding, Y Chong, T Jia, C Ophus… - Nature, 2020 - nature.com
Traditional metallic alloys are mixtures of elements in which the atoms of minority species
tend to be distributed randomly if they are below their solubility limit, or to form secondary …

Heterovalent-doping-enabled atom-displacement fluctuation leads to ultrahigh energy-storage density in AgNbO3-based multilayer capacitors

LF Zhu, S Deng, L Zhao, G Li, Q Wang, L Li… - Nature …, 2023 - nature.com
Dielectric capacitors with high energy storage performance are highly desired for next-
generation advanced high/pulsed power capacitors that demand miniaturization and …

Strain fields in twisted bilayer graphene

NP Kazmierczak, M Van Winkle, C Ophus… - Nature materials, 2021 - nature.com
Van der Waals heteroepitaxy allows deterministic control over lattice mismatch or azimuthal
orientation between atomic layers to produce long-wavelength superlattices. The resulting …

The evolution of the deformation substructure in a Ni-Co-Cr equiatomic solid solution alloy

J Miao, CE Slone, TM Smith, C Niu, H Bei… - Acta Materialia, 2017 - Elsevier
The equiatomic NiCoCr alloy exhibits an excellent combination of strength and ductility,
even greater than the FeNiCrCoMn high entropy alloy, and also displays a simultaneous …

Achieving ultra-high strength and ductility in equiatomic CrCoNi with partially recrystallized microstructures

CE Slone, J Miao, EP George, MJ Mills - Acta Materialia, 2019 - Elsevier
Despite having otherwise outstanding mechanical properties, many single-phase medium
and high entropy alloys are limited by modest yield strengths. Although grain refinement …

Magnetically-driven phase transformation strengthening in high entropy alloys

C Niu, CR LaRosa, J Miao, MJ Mills… - Nature …, 2018 - nature.com
CrCoNi alloy exhibits a remarkable combination of strength and plastic deformation, even
superior to the CrMnFeCoNi high-entropy alloy. We connect the magnetic and mechanical …

py4DSTEM: A software package for four-dimensional scanning transmission electron microscopy data analysis

BH Savitzky, SE Zeltmann, LA Hughes… - Microscopy and …, 2021 - cambridge.org
Scanning transmission electron microscopy (STEM) allows for imaging, diffraction, and
spectroscopy of materials on length scales ranging from microns to atoms. By using a high …