New Apatite‐Type Oxide Ion Conductor, Bi2La8[(GeO4)6]O3: Structure, Properties, and Direct Imaging of Low‐Level Interstitial Oxygen Atoms Using Aberration‐Corrected Scanning Transmission Electron Microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201605625
Abstract: The new solid electrolyte Bi2La8[(GeO4)6]O3 is prepared and characterized by variable-temperature synchrotron X-ray and neutron diffraction, aberration-corrected scanning transmission electron microscopy, and physical property measurements (impedance spectroscopy and second harmonic generation). The material is a… read more here.
Keywords: microscopy; electron microscopy; structure; scanning transmission ... See more keywords
Direct Observations of the Formation and Redox-Mediator-Assisted Decomposition of Li2 O2 in a Liquid-Cell Li-O2 Microbattery by Scanning Transmission Electron Microscopy.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201702752
Abstract: Operando scanning transmission electron microscopy observations of cathodic reactions in a liquid-cell Li-O2 microbattery in the presence of the redox mediator tetrathiafulvalene (TTF) in 1.0 m LiClO4 dissolved dimethyl sulfoxide electrolyte are reported. It is… read more here.
Keywords: microscopy; li2; electron microscopy; liquid cell ... See more keywords
Quantitative Cryo-Scanning Transmission Electron Microscopy of Biological Materials.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201706681
Abstract: Electron tomography provides a detailed view into the 3D structure of biological cells and tissues. Physical fixation by vitrification of the aqueous medium provides the most faithful preservation of biological specimens in the native, fully… read more here.
Keywords: microscopy; electron microscopy; cryo; scanning transmission ... See more keywords
Direct Nanoscale Characterization of Deep Levels in AgCuInGaSe2 Using Electron Energy‐Loss Spectroscopy in the Scanning Transmission Electron Microscope
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201901612
Abstract: A new experimental framework for the characterization of defects in semiconductors is demonstrated. Through the direct, energy‐resolved correlation of three analytical techniques spanning six orders of magnitude in spatial resolution, a critical mid‐bandgap electronic trap… read more here.
Keywords: energy; scanning transmission; characterization; spectroscopy ... See more keywords
Application of aberration‐corrected scanning transmission electron microscopy in conjunction with valence electron energy loss spectroscopy for the nanoscale mapping of the elastic properties of Al–Li–Cu alloys
Sign Up to like & getrecommendations! Published in 2020 at "Microscopy Research and Technique"
DOI: 10.1002/jemt.23646
Abstract: The stress and strain play an important role in strengthening of the precipitation‐hardened Aluminum (Al) alloys. Despite the determination of relationship between the mechanical properties and the precipitation existing in the microstructure of these alloys,… read more here.
Keywords: corrected scanning; energy; microscopy; aberration corrected ... See more keywords
Hollow Psychography: Toward Simultaneous 4D Scanning Transmission Electron Microscopy and Electron Energy Loss Spectroscopy.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202208162
Abstract: With the recent development of high-acquisition-speed pixelated detectors, 4D scanning transmission electron microscopy (4D-STEM) is becoming routinely available in high-resolution electron microscopy. 4D-STEM acts as a "universal" method that provides local information on materials that… read more here.
Keywords: information; electron microscopy; spectroscopy; scanning transmission ... See more keywords
X-ray absorption fine structure and scanning transmission electron microscopic analysis of polymer electrolyte fuel cells
Sign Up to like & getrecommendations! Published in 2020 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2020.03.015
Abstract: Abstract We introduce nano-X-ray absorption fine structure and scanning transmission electron microscope-energy dispersive X-ray spectroscopy, which are identical location measurement methods that can provide complementary information on the various constituents of polymer electrolyte fuel cells. In… read more here.
Keywords: ray absorption; absorption fine; transmission electron; fine structure ... See more keywords
Deep learning for mapping element distribution of high-entropy alloys in scanning transmission electron microscopy images
Sign Up to like & getrecommendations! Published in 2022 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2021.110905
Abstract: Abstract The latest developments of machine learning (ML) and deep learning (DL) algorithms have paved the way to effectively analyze the atomic structure of chemically-complex materials. In this work, we present a DL model built… read more here.
Keywords: microscopy; entropy alloys; deep learning; high entropy ... See more keywords
Measurement of atomic electric fields and charge densities from average momentum transfers using scanning transmission electron microscopy.
Sign Up to like & getrecommendations! Published in 2017 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2016.05.004
Abstract: This study sheds light on the prerequisites, possibilities, limitations and interpretation of high-resolution differential phase contrast (DPC) imaging in scanning transmission electron microscopy (STEM). We draw particular attention to the well-established DPC technique based on… read more here.
Keywords: charge densities; electric fields; microscopy; scanning transmission ... See more keywords
Three-dimensional imaging of individual point defects using selective detection angles in annular dark field scanning transmission electron microscopy.
Sign Up to like & getrecommendations! Published in 2017 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2016.10.007
Abstract: We propose a new scanning transmission electron microscopy (STEM) technique that can realize the three-dimensional (3D) characterization of vacancies, lighter and heavier dopants with high precision. Using multislice STEM imaging and diffraction simulations of β-Ga2O3… read more here.
Keywords: three dimensional; microscopy; electron microscopy; point ... See more keywords
A new method to detect and correct sample tilt in scanning transmission electron microscopy bright-field imaging.
Sign Up to like & getrecommendations! Published in 2017 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2016.11.024
Abstract: Important properties of functional materials, such as ferroelectric shifts and octahedral distortions, are associated with displacements of the positions of lighter atoms in the unit cell. Annular bright-field scanning transmission electron microscopy is a good… read more here.
Keywords: microscopy; bright field; electron microscopy; scanning transmission ... See more keywords