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3-D Tracking and Visualization of Hundreds of Pt-Co Fuel Cell Nanocatalysts During Electrochemical Aging
Yingchao Yu, Huolin L. Xin, Robert M. Hovden +5
We present an electron tomography method that allows for the identification of hundreds of electrocatalyst nanoparticles with one-to-one correspondence before and after electrochem…
Data Processing For Atomic Resolution EELS
Paul Cueva, Robert Hovden, Julia A. Mundy +2
The high beam current and sub-angstrom resolution of aberration-corrected scanning transmission electron microscopes has enabled electron energy loss spectroscopic (EELS) mapping w…
Atomic-resolution spectroscopic imaging of ensembles of nanocatalyst particles across the life of a fuel cell
Huolin L. Xin, Julia A. Mundy, Zhongyi Liu +8
The thousandfold increase in data-collection speed enabled by aberration-corrected optics allows us to overcome an electron microscopy paradox - how to obtain atomic-resolution che…
Quantitative chemical mapping at the atomic scale
Huolin L. Xin, Christian Dwyer, David A. Muller
Atomic-scale mapping of the chemical elements in materials is now possible using aberration-corrected electron microscopes but delocalization and multiple scattering can confound i…
Determining On-Axis Crystal Thickness with Quantitative Position-Averaged Incoherent Bright-Field Signal in an Aberration-corrected STEM
Huolin L. Xin, Ye Zhu, David A. Muller
An accurate determination of specimen thickness is essential for quantitative analytical electron microscopy. Here we demonstrate that a position-averaged incoherent bright-field s…
Brief Communication Arising from a Corrigendum to "Atomic-resolution chemical analysis using a scanning transmission electron microscope"
John Silcox, David A. Muller
This manuscript was originally submitted to Nature for consideration as a "Brief Communication" in response to a "Corrigendum" that appeared in 2006 (1) to an earlier paper in Natu…