Michael J Zachman R&D Staff Scientist Contact zachmanmj@ornl.gov All Publications Atomically dispersed single Ni site catalysts for high-efficiency CO2 electroreduction at industrial-level current densities... Recreating Fuel Cell Catalyst Degradation in Aqueous Environments for Identical-Location Scanning Transmission Electron Micro... Quantifying the electrochemical active site density of precious metal-free catalysts in situ in fuel cells... Robust Atomic-Resolution Imaging of Lithium in Battery Materials by Center-of-Mass Scanning Transmission Electron Microscopy... Application of Molecular Catalysts for the Oxygen Reduction Reaction in Alkaline Fuel Cells... Co-precipitation induces changes to iron and carbon chemistry and spatial distribution at the nanometer scale... Binary Atomically Dispersed Metal-Site Catalysts with Core−Shell Nanostructures for O2 and CO2 Reduction Reactions... Quantifying the projected unit cell size variation of off-axis PtCo catalyst nanoparticles through 4D-STEM... Automated methods for improved characterization of alloy nanoparticle catalysts... Atomic-scale Imaging of PGM-free Catalyst Active Sites by 30 keV 4D-STEM... Charge order textures induced by non-linear couplings in a half-doped manganite... Interferometric 4D-STEM for Lattice Distortion and Interlayer Spacing Measurements of Bilayer and Trilayer 2D Materials... Impact of Carbon Support Structure on the Durability of PtCo Electrocatalysts... Free-standing bilayered vanadium oxide films synthesized by liquid exfoliation of chemically preintercalated δ-Li x V 2 O 5 ... Organo–organic and organo–mineral interfaces in soil at the nanometer scale... Atomic-Scale Structural Mapping of Active Sites in Monolayer PGM-Free Catalysts by Low-Voltage 4D-STEM... Emerging Electron Microscopy Techniques for Probing Functional Interfaces in Energy Materials... Cryogenic specimens for nanoscale characterization of solid–liquid interfaces... Machine Learning for Challenging EELS and EDS Spectral Decomposition... Mapping Local Structural and Electronic Properties of 2D Materials by Multi-dimensional STEM... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Key Links Curriculum Vitae Google Scholar ORCID Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section Materials Microanalysis Group