Michael Zachman R&D Staff Scientist Contact ZACHMANMJ@ORNL.GOV All Publications Ordered CoPt oxygen reduction catalyst with high performance and durability High Velocity, Low-Voltage Collective In-Plane Switching in (100) BaTiO3 Thin Films... Mapping pm-scale Lattice Distortions and Measuring Interlayer Separations in Stacked 2D Materials by Interferometric 4D-STEM Tracking Degradation in Individual Catalyst Nanoparticles Under Fuel Cell-Relevant Cycling Conditions by Identical-Location STEM Atomically dispersed iron sites with a nitrogen–carbon coating as highly active and durable oxygen reduction catalysts for fuel cells Tracking Nanoparticle Degradation across Fuel Cell Electrodes by Automated Analytical Electron Microscopy... Imaging Sensitive Catalyst Active Site Structure by 30 keV Electron Ptychography Improved Throughput, Statistics, and Instrument Utilization with Automated Analytical Electron Microscopy... Understanding Recoverable vs Unrecoverable Voltage Losses and Long-Term Degradation Mechanisms in Anion Exchange Membrane Fuel Cells Atomically Dispersed Dual-Metal Site Catalysts for Enhanced CO2 Reduction: Mechanistic Insight into Active Site Structures Recreating Fuel Cell Catalyst Degradation in Aqueous Environments for Identical-Location Scanning Transmission Electron Microscopy Studies Atomically dispersed single Ni site catalysts for high-efficiency CO2 electroreduction at industrial-level current densities 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... Co-precipitation induces changes to iron and carbon chemistry and spatial distribution at the nanometer scale... Application of Molecular Catalysts for the Oxygen Reduction Reaction in Alkaline Fuel Cells 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 · n H 2 O Organo–organic and organo–mineral interfaces in soil at the nanometer scale Pagination First page « First Previous page ‹â¶Ä¹ Page 1 Current page 2 Page 3 Next page ›â¶Äº Last page Last » Key Links Curriculum Vitae Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section electron Microscopy and Microanalysis Group
News Annual meeting for world-class nanophase materials sciences users earns praise for exciting program
