David B Lingerfelt R&D Associate Contact lingerfeltdb@ornl.gov | 865.341.0049 All Publications First-Principles Simulation of Beam-Induced Processes Underlying Atomic Manipulation in Electron Microscopes... Direct imaging of electron density with a scanning transmission electron microscope Photon bunching in cathodoluminescence induced by indirect electron excitation... Extracting Inelastic Scattering Cross Sections for Finite and Aperiodic Materials from Electronic Dynamics Simulations Strain-Induced asymmetry and on-site dynamics of silicon defects in graphene... Quantum theory of electronic excitation and sputtering by transmission electron microscopy... From ground to excited electronic state dynamics of electron and ion irradiated graphene nanomaterials... Electron-Beam-Induced Molecular Plasmon Excitation and Energy Transfer in Silver Molecular Nanowires... Electron-Beam-Induced Molecular Plasmon Excitation and Energy Transfer in Silver Molecular Nanowires... Nonadiabatic Effects on Defect Diffusion in Silicon-Doped Nanographenes... Reconstruction of effective potential from statistical analysis of dynamic trajectories... Direct matter disassembly via electron beam control: electron-beam-mediated catalytic etching of graphene by nanoparticles... Understanding Beam-Induced Electronic Excitations in Materials... Toward Electrochemical Studies on the Nanometer and Atomic Scales: Progress, Challenges, and Opportunities... Atom-by-atom fabrication with electron beams Electronically Nonadiabatic Structural Transformations Promoted by Electron Beams... Key Links Curriculum Vitae Google Scholar ORCID Organizations User Facilities Center for Nanophase Materials Sciences Theory & Computation Section Nanomaterials Theory Institute Group