Probing functional structures, defects, and interfaces of 2D transition metal dichalcogenides by electron microscopy

R Luo, M Gao, C Wang, J Zhu… - Advanced Functional …, 2024 - Wiley Online Library
Abstract 2D transition metal dichalcogenides (TMDs) exhibit remarkable properties that are
strongly influenced by their atomic structures, as well as by various types of defects and …

Gamma-Ray Irradiation Induced Ultrahigh Room-Temperature Ferromagnetism in MoS2 Sputtered Few-Layered Thin Films

AK Anbalagan, FC Hu, WK Chan, AC Gandhi… - ACS …, 2023 - ACS Publications
Defect engineering is of great interest to the two-dimensional (2D) materials community. If
nonmagnetic transition-metal dichalcogenides can possess room-temperature …

Computer vision AC-STEM automated image analysis for 2D nanopore applications

J Chen, A Balan, PM Das, JP Thiruraman, M Drndić - Ultramicroscopy, 2021 - Elsevier
Transmission electron microscopy (TEM) has led to important discoveries in atomic imaging
and as an atom-by-atom fabrication tool. Using electron beams, atomic structures can be …

Stochastic ionic transport in single atomic zero-dimensional pores

JP Thiruraman, P Masih Das, M Drndic - ACS nano, 2020 - ACS Publications
We report on single atomic zero-dimensional (0D) pores fabricated using aberration-
corrected scanning transmission electron microscopy (AC-STEM) in monolayer MoS2. Pores …

Gas Permeability and Selectivity of a Porous WS2 Monolayer

N Hassani, M Ghorbani-Asl, B Radha… - The Journal of …, 2021 - ACS Publications
Atomically thin porous membranes display high selectivity for gas transport and separation.
To create such systems, defect engineering of two-dimensional (2D) materials, eg, via ion …

An ultrasensitive FET biosensor based on vertically aligned MoS2 nanolayers with abundant surface active sites

P Song, P Ou, Y Wang, H Yuan, S Duan, L Chen… - Analytica Chimica …, 2023 - Elsevier
Molybdenum disulfide (MoS 2) nanolayers are one of the most promising two-dimensional
(2D) nanomaterials for constructing next-generation field-effect transistor (FET) biosensors …

Microscopic Detection Analysis of Single Molecules in MoS2 Membrane Nanopores

M Xiong, M Graf, N Athreya, A Radenovic… - ACS nano, 2020 - ACS Publications
A systematic microscopic analysis of the various resistive effects involved in the electronic
detection of single biomolecules in a nanopore of a MoS2 nanoribbon is presented. The …

Contrast mechanisms in secondary electron e-beam-induced current (SEEBIC) imaging

O Dyck, JL Swett, C Evangeli, AR Lupini… - Microscopy and …, 2022 - academic.oup.com
Over the last few years, a new mode for imaging in the scanning transmission electron
microscope (STEM) has gained attention as it permits the direct visualization of sample …

Mapping conductance and switching behavior of graphene devices in situ

O Dyck, JL Swett, C Evangeli, AR Lupini, JA Mol… - Small …, 2022 - Wiley Online Library
Graphene is proposed for use in various nanodevice designs, many of which harness
emergent quantum properties for device functionality. However, visualization, measurement …

The Synthescope: A Vision for Combining Synthesis with Atomic Fabrication

O Dyck, AR Lupini, S Jesse - Advanced Materials, 2023 - Wiley Online Library
The scanning transmission electron microscope, a workhorse instrument in materials
characterization, is being transformed into an atomic‐scale material‐manipulation platform …