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 …

Advances in ultrahigh-energy resolution EELS: phonons, infrared plasmons and strongly coupled modes

MJ Lagos, IC Bicket, SS Mousavi M, GA Botton - Microscopy, 2022 - academic.oup.com
Abstract Nowadays, sub-50 meV atom-wide electron probes are routinely produced for
electron energy loss spectroscopy in transmission electron microscopes due to …

Simultaneous imaging of dopants and free charge carriers by monochromated eels

H Yang, A Konecna, X Xu, SW Cheong, PE Batson… - ACS …, 2022 - ACS Publications
Do** inhomogeneities in solids are not uncommon, but their microscopic observation and
understanding are limited due to the lack of bulk-sensitive experimental techniques with …

Low‐Loss Tunable Infrared Plasmons in the High‐Mobility Perovskite (Ba,La)SnO3

H Yang, A Konečná, X Xu, SW Cheong, E Garfunkel… - Small, 2022 - Wiley Online Library
BaSnO3 exhibits the highest carrier mobility among perovskite oxides, making it ideal for
oxide electronics. Collective charge carrier oscillations known as plasmons are expected to …

Sculpting the plasmonic responses of nanoparticles by directed electron beam irradiation

KM Roccapriore, SH Cho, AR Lupini, DJ Milliron… - Small, 2022 - Wiley Online Library
Spatial confinement of matter in functional nanostructures has propelled these systems to
the forefront of nanoscience, both as a playground for exotic physics and quantum …

Strongly Coupled Plasmon and Phonon Polaritons as Seen by Photon and Electron Probes

P Gallina, A Konečná, J Liška, JC Idrobo, T Šikola - Physical Review Applied, 2023 - APS
The ability to control and modify infrared excitations in condensed matter is of both
fundamental and applied interest. Here we explore a system supporting low-energy …

Nanoscale map** of shifts in dark plasmon modes in sub 10 nm aluminum nanoantennas

K Elibol, C Downing, RG Hobbs - Nanotechnology, 2022 - iopscience.iop.org
In this work, we report the fabrication and spectroscopic characterization of subwavelength
aluminum nanocavities—consisting of hexamer or tetramer clusters of sub 10 nm width Al …

Importance of coupling strength in sha** electron energy loss and phonon spectra of phonon-plasmon systems

J Krsnik, OS Barišić - Physical Review B, 2022 - APS
A systematic analysis of phonon-plasmon coupled excitations in three-dimensional (3D)
polar systems is provided through the prism of both raw and integrated electron energy loss …

Inelastic electron scattering at large angles: the phonon polariton contribution

H Yang, P Zeiger, A Konečná, L Han, G Miao… - arxiv preprint arxiv …, 2024 - arxiv.org
In this work, we study inelastic electron scattering in polar materials (SrTiO3, PbTiO3, and
SiC) using high-resolution transmission electron energy-loss spectroscopy, challenging the …

Energy loss rate of an electron in three-dimensional tilting Dirac semimetals

X Dai, Q Chen - Physical Review B, 2022 - APS
We have computed the energy loss rate (ELR) of an intruding electron in three-dimensional
tilting Dirac semimetals in the light of the excitation process. In contrast to two-dimensional …