activity
20092023
most citedpy4DSTEM: a software package for multimodal analysis of four-dimensional scanning transmission electron microscopy datasets

352 citations · 859 across the 16 of their papers we have counts for

collaborators

18 papers

cond-mat.mtrl-sci2023★ 41 cited

A substitutional quantum defect in WS discovered by high-throughput computational screening and fabricated by site-selective STM manipulation

John C. Thomas, Wei Chen, Yihuang Xiong +21

Point defects in two-dimensional materials are of key interest for quantum information science. However, the space of possible defects is immense, making the identification of high…

cond-mat.mtrl-sci2023★ 2 cited

Phason-mediated interlayer exciton diffusion in WS2/WSe2 moiré heterostructure

Antonio Rossi, Jonas Zipfel, Indrajit Maity +13

Moiré potentials in two-dimensional materials have been proven to be of fundamental importance to fully understand the electronic structure of van der Waals heterostructures, from…

quant-ph2022★ 32 cited

Effects of Laser-Annealing on Fixed-Frequency Superconducting Qubits

Hyunseong Kim, Christian Jünger, Alexis Morvan +10

As superconducting quantum processors increase in complexity, techniques to overcome constraints on frequency crowding are needed. The recently developed method of laser-annealing…

cond-mat.mtrl-sci2022★ 5 cited

Nonvolatile Electric-Field Control of Inversion Symmetry

Lucas Caretta, Yu-Tsun Shao, Jia Yu +20

In condensed-matter systems, competition between ground states at phase boundaries can lead to significant changes in material properties under external stimuli, particularly when…

cond-mat.mtrl-sci2021★ 34 cited

Autonomous Investigations over WS and Au{111} with Scanning Probe Microscopy

John C. Thomas, Antonio Rossi, Darian Smalley +14

Individual atomic defects in 2D materials impact their macroscopic functionality. Correlating the interplay is challenging, however, intelligent hyperspectral scanning tunneling sp…

cond-mat.mtrl-sci2021

Electric Field Control of Chirality

Piush Behera, Molly A. May, Fernando Gómez-Ortiz +18

Polar textures have attracted significant attention in recent years as a promising analog to spin-based textures in ferromagnets. Here, using optical second harmonic generation bas…

cond-mat.mtrl-sci2020★ 13 cited

Direct formation of nitrogen-vacancy centers in nitrogen doped diamond along the trajectories of swift heavy ions

Russell E. Lake, Arun Persaud, Casey Christian +6

We report depth-resolved photoluminescence measurements of nitrogen-vacancy (NV) centers formed along the tracks of swift heavy ions (SHIs) in type Ib synthetic single crystal…

cond-mat.mtrl-sci2020★ 9 cited

Strain-Induced Room-Temperature Ferroelectricity in SrTiO Membranes

Ruijuan Xu, Jiawei Huang, Edward S. Barnard +11

Advances in complex oxide heteroepitaxy have highlighted the enormous potential of utilizing strain engineering via lattice mismatch to control ferroelectricity in thin-film hetero…

cond-mat.mtrl-sci2020★ 352 cited

py4DSTEM: a software package for multimodal analysis of four-dimensional scanning transmission electron microscopy datasets

Benjamin H Savitzky, Lauren A Hughes, Steven E Zeltmann +18

Scanning transmission electron microscopy (STEM) allows for imaging, diffraction, and spectroscopy of materials on length scales ranging from microns to atoms. By using a high-spee…

physics.app-ph2020

Long-Range Exciton Diffusion in Two-Dimensional Assemblies of Cesium Lead Bromide Perovskite Nanocrystals

Erika Penzo, Anna Loiudice, Edward S. Barnard +11

Förster Resonant Energy Transfer (FRET)-mediated exciton diffusion through artificial nanoscale building block assemblies could be used as a new optoelectronic design element to tr…

cond-mat.mes-hall2019★ 113 cited

Electrically driven photon emission from individual atomic defects in monolayer WS2

Bruno Schuler, Katherine A. Cochrane, Christoph Kastl +7

Optical quantum emitters are a key component of quantum devices for metrology and information processing. In particular, atomic defects in 2D materials can operate as optical quant…

cond-mat.mtrl-sci2019

Visualizing buried local carrier diffusion in halide perovskite crystals via two-photon microscopy

Camille Stavrakas, Géraud Delport, Ayan A. Zhumekenov +5

Halide perovskites have shown great potential for light emission and photovoltaic applications due to their remarkable electronic properties and compatibility with cost-effective f…

cond-mat.mes-hall2019★ 80 cited

Blue-Light-Emitting Color Centers in High-Quality Hexagonal Boron Nitride

Brian Shevitski, S. Matt Gilbert, Christopher T. Chen +8

Light emitters in wide band gap semiconductors are of great fundamental interest and have potential as optically addressable qubits. Here we describe the discovery of a new color c…

cond-mat.mes-hall2018

Cathodoluminescence-based nanoscopic thermometry in a lanthanide-doped phosphor

Clarice D. Aiello, Andrea D. Pickel, Edward Barnard +7

Crucial to analyze phenomena as varied as plasmonic hot spots and the spread of cancer in living tissue, nanoscale thermometry is challenging: probes are usually larger than the sa…

cond-mat.mes-hall2018

Contactless photo-induced carrier density control in nanocrystal MoS2 hybrids

Ilka Kriegel, Nicholas J. Borys, Kehao Zhang +9

The ultrathin nature of two-dimensional monolayer semiconductors yields optoelectronic properties which are highly responsive to changes in free-carrier density, making it imperati…

cond-mat.mtrl-sci2018★ 50 cited

Bright sub-20 nm cathodoluminescent nanoprobes for multicolor electron microscopy

Maxim B. Prigozhin, Peter C. Maurer, Alexandra M. Courtis +18

Electron microscopy (EM) has been instrumental in our understanding of biological systems ranging from subcellular structures to complex organisms. Although EM reveals cellular mor…

cond-mat.mtrl-sci2018★ 3 cited

Charge-carrier lifetime measurements in early-stage photovoltaic materials: intuition, uncertainties, and opportunities

Jeremy R. Poindexter, Edward S. Barnard, Rachel C. Kurchin +1

Measurements of charge-carrier lifetime in many early-stage thin-film photovoltaic materials can be arduous due to the prevalence of defects and limited information about material…

physics.optics2009★ 125 cited

Solving dielectric and plasmonic waveguide dispersion relations with a pocket calculator

Rohan D. Kekatpure, Aaron C. Hryciw, Edward S. Barnard +1

We present a robust iterative technique for solving complex transcendental dispersion equations routinely encountered in integrated optics. Our method especially befits the multila…