Scattering delocalization and radiation damage in STEM-EELS

RF Egerton - Ultramicroscopy, 2017 - Elsevier
We discuss the delocalization of the inelastic scattering of 60–300 keV electrons in a thin
specimen, for energy losses below 50 eV where the delocalization length exceeds atomic …

Few‐unit‐cell MFI zeolite synthesized using a simple di‐quaternary ammonium structure‐directing agent

P Lu, S Ghosh, M Dorneles de Mello… - Angewandte …, 2021 - Wiley Online Library
Synthesis of a pentasil‐type zeolite with ultra‐small few‐unit‐cell crystalline domains, which
we call FDP (few‐unit‐cell crystalline domain pentasil), is reported. FDP is made using bis …

Current opinion on the prospect of mapping electronic orbitals in the transmission electron microscope: State of the art, challenges and perspectives

M Bugnet, S Löffler, M Ederer… - Journal of …, 2024 - Wiley Online Library
The concept of electronic orbitals has enabled the understanding of a wide range of physical
and chemical properties of solids through the definition of, for example, chemical bonding …

Composition and Element Distribution Mapping of γ′ and γ ″Phases of Inconel 718 by High-Resolution Scanning Transmission Electron Microscopy and X-Ray …

PA Buffat, I Alexandrou, A Czyrska-Filemonowicz - Materials, 2024 - mdpi.com
The main strengthening mechanism for Inconel 718 (IN718), a Ni-based superalloy, is
precipitation hardening by γ′ and γ ″particles. It is thus essential, for good alloy …

Mending cracks atom-by-atom in rutile TiO2 with electron beam radiolysis

S Guo, H Yun, S Nair, B Jalan, KA Mkhoyan - Nature communications, 2023 - nature.com
Rich electron-matter interactions fundamentally enable electron probe studies of materials
such as scanning transmission electron microscopy (STEM). Inelastic interactions often …

Metallic line defect in wide-bandgap transparent perovskite BaSnO3

H Yun, M Topsakal, A Prakash, B Jalan, JS Jeong… - Science …, 2021 - science.org
A line defect with metallic characteristics has been found in optically transparent BaSnO3
perovskite thin films. The distinct atomic structure of the defect core, composed of Sn and O …

Excited-state imaging of single particles on the subnanometer scale

A Wallum, HA Nguyen… - Annual Review of Physical …, 2020 - annualreviews.org
At the intersection of spectroscopy and microscopy lie techniques that are capable of
providing subnanometer imaging of excited states of individual molecules or nanoparticles …

Real-space mapping of electronic orbitals

S Löffler, M Bugnet, N Gauquelin, S Lazar, E Assmann… - Ultramicroscopy, 2017 - Elsevier
Electronic states are responsible for most material properties, including chemical bonds,
electrical and thermal conductivity, as well as optical and magnetic properties …

Obtaining Structural Parameters from STEM–EDX Maps of Core/Shell Nanocrystals for Optoelectronics

JT Held, KI Hunter, N Dahod, B Greenberg… - ACS Applied Nano …, 2018 - ACS Publications
Characterization efforts of core/shell and core/multishell nanocrystals have struggled to
quantitatively evaluate the interface width between the core and shell materials despite its …

[HTML][HTML] Rational synthesis of ternary PtIrNi nanocrystals with enhanced poisoning tolerance for electrochemical ethanol oxidation

YH Ahmad, AT Mohamed, KM Youssef, S Kundu… - Electrochemistry …, 2019 - Elsevier
The development of highly efficient and durable anode materials for ethanol electro-
oxidation remains a challenge. Herein, we report the synthesis of Pt 1− x− y Ir x Ni y …