Jonathan D Poplawsky Senior Research Staff Contact POPLAWSKYJD@ORNL.GOV All Publications Examining the multi-scale complexity and the crystallographic hierarchy of isothermally treated bainitic and martensitic structures Strong crystal field splitting and polarization dependence observed in the emission from Eu3+ ions doped into GaN Directly Linking Low-Angle Grain Boundary Misorientation to Device Functionality for GaAs Grown on Flexible Metal Substrates Interpreting nanovoids in atom probe tomography data for accurate local compositional measurements Direct detection of rare earth ion distributions in gallium nitride and its influence on growth morphology Validation of an alloy design strategy for stable Fe–Cr–Al–Nb-X ferritic alloys using electron microscopy and atom probe tomography In-situ TEM analysis of the phase transformation mechanism of a Cu–Al–Ni shape memory alloy Structural, band and electrical characterization of β-(Al 0.19 Ga 0.81 ) 2 O 3 films grown by molecular beam epitaxy on Sn doped β-Ga 2 O 3 substrate Interpreting Voids in Atom Probe Tomography Data via Experiment and Theory Investigating Effects of Alloy Chemical Complexity on Helium Bubble Formation by Accurate Segregation Measurements Using Atom Probe Tomography Elevated temperature microstructural stability in cast AlCuMnZr alloys through solute segregation Peierls barrier characteristic and anomalous strain hardening provoked by dynamic-strain-aging strengthening in a body-center... Multi-modal characterization approach to understand proton transport mechanisms in solid oxide fuel cells Mechanisms for stabilizing θ′(Al2Cu) precipitates at elevated temperatures investigated with phase field modeling Stable Metallic Enrichment in Conductive Filaments in TaOx‐Based Resistive Switches Arising from Competing Diffusive Fluxes Cascading phase transformations in high carbon steel resulting in the formation of inverse bainite: An atomic scale investigation Understanding Mechanical Properties of Nano-Grained Bainitic Steels from Multiscale Structural Analysis Shape-preserving machining produces gradient nanolaminate medium entropy alloys with high strain hardening capability Cascading microstructures in aluminum-steel interfaces created by impact welding Structural and compositional dependence of the CdTexSe1−x alloy layer photoactivity in CdTe-based solar cells Direct Observation of Creep Strengthening Nanoprecipitate Formation In Ausformed Ferritic/martensitic Steels Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells Phase transformations of HfNbTaTiZr high-entropy alloy at intermediate temperatures High-Resolution Confocal Microscopy with Simultaneous Electron and Laser Beam Irradiation Hot Straining and Quenching and Partitioning of a TRIP-Assisted Steel: Microstructural Characterization and Mechanical Properties Pagination First page « First Previous page ‹‹ … Page 4 Current page 5 Page 6 … Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section electron Microscopy and Microanalysis Group
Research Highlight Quantifying the structure and composition of supported bimetallic catalysts with atom probe tomography