Multifunctional high entropy alloys enabled by severe lattice distortion

H Wang, Q He, X Gao, Y Shang, W Zhu… - Advanced …, 2024 - Wiley Online Library
Since 2004, the design of high entropy alloys (HEAs) has generated significant interest
within the materials science community due to their exceptional structural and functional …

Mechanical properties of high-entropy alloys with emphasis on face-centered cubic alloys

Z Li, S Zhao, RO Ritchie, MA Meyers - Progress in Materials Science, 2019 - Elsevier
Abstract High-entropy alloys (HEAs), also known as multi-principal element alloys or multi-
component alloys, have been the subject of numerous investigations since they were first …

Four-dimensional scanning transmission electron microscopy (4D-STEM): From scanning nanodiffraction to ptychography and beyond

C Ophus - Microscopy and Microanalysis, 2019 - cambridge.org
Scanning transmission electron microscopy (STEM) is widely used for imaging, diffraction,
and spectroscopy of materials down to atomic resolution. Recent advances in detector …

Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys

J Ding, Q Yu, M Asta… - Proceedings of the …, 2018 - National Acad Sciences
High-entropy alloys (HEAs) are an intriguing new class of metallic materials due to their
unique mechanical behavior. Achieving a detailed understanding of structure–property …

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 …

Overview on micro-and nanomechanical testing: New insights in interface plasticity and fracture at small length scales

G Dehm, BN Jaya, R Raghavan, C Kirchlechner - Acta Materialia, 2018 - Elsevier
Micro-and nanomechanical testing has seen a rapid development over the last decade with
miniaturized test rigs and MEMS-based devices providing access to the mechanical …

High dynamic range pixel array detector for scanning transmission electron microscopy

MW Tate, P Purohit, D Chamberlain… - Microscopy and …, 2016 - academic.oup.com
We describe a hybrid pixel array detector (electron microscope pixel array detector, or
EMPAD) adapted for use in electron microscope applications, especially as a universal …

Rotational and dilational reconstruction in transition metal dichalcogenide moiré bilayers

M Van Winkle, IM Craig, S Carr, M Dandu… - Nature …, 2023 - nature.com
Lattice reconstruction and corresponding strain accumulation plays a key role in defining the
electronic structure of two-dimensional moiré superlattices, including those of transition …

Imaging beam‐sensitive materials by electron microscopy

Q Chen, C Dwyer, G Sheng, C Zhu, X Li… - Advanced …, 2020 - Wiley Online Library
Electron microscopy allows the extraction of multidimensional spatiotemporally correlated
structural information of diverse materials down to atomic resolution, which is essential for …

Direct detectors and their applications in electron microscopy for materials science

BDA Levin - Journal of Physics: Materials, 2021 - iopscience.iop.org
The past decade has seen rapid advances in direct detector technology for electron
microscopy. Direct detectors are now having an impact on a number of techniques in …