Jennifer L Niedziela Senior Research and Development Staff Contact niedzielajl@ornl.gov | 865.341.3251 All Publications Product-specific kinetics reveal effect of epoxy crystallization on thermoset thermal degradation CURIES: Compendium of uranium Raman and infrared experimental spectra Pressure modulated charge transfer and phonon interactions drive phase transitions in uranium–aluminum laves phases Nonthermal Bonding Origin of a Novel Photoexcited Lattice Instability in SnSe Pressure-induced evolution of the lattice dynamics for selected UO3 polymorphs Isoplethal study of phase formation and morphology in uranium-304L steel via scanning electron microscopy Connecting mechanical properties to hydrogen defects in PAN-based carbon fibers Insights into the thermal history of carbon fibers using Raman spectroscopy Thermally Induced Structural Transitions in Epoxy Thermoset Polymer Networks and Their Spectroscopic Responses... Insights into the thermal history of carbon fibers using Raman spectroscopy and a novel kinetic model Vibrational dynamics in the undercooled liquid of ultra-fragile metallic glasses Investigating the role of phonons in the phase stability of uranium-based Laves phases Computational investigation of hydrogen-induced phonon changes in carbon fiber... Unexpected features in the optical vibrational spectra of δ-UO3... Density functional theory investigations into the magnetic ordering of U3O8... Structural Characterization of Uranium Tetrafluoride Hydrate (UF4·2.5H2O) Raman spectroscopy of thermally perturbed carbon fibers: Discriminating spectral responses of modulus classes and defect type... Product specific thermal degradation kinetics of bisphenol F epoxy in inert and oxidative atmospheres using evolved gas analy... Optical Vibrational Spectra and Proposed Crystal Structure of ε-UO3... Observation of a Novel Lattice Instability in Ultrafast Photoexcited SnSe... Inelastic neutron spectra of polyacrylonitrile-based carbon fibers... Computational investigations of Dienes defect- and vacancy-induced changes in the electronic and vibrational properties of ca... Inelastic Neutron Spectra of Uranium Tetrafluoride Hydrate, UF 4 (H 2 O) 2.5... ALCC 2021-2022 Quarterly Report Q1... Quantitative analysis of Raman spectral parameters for carbon fibers: practical considerations and connection to mechanical p... Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links ORCID Organizations National Security Sciences Directorate User Facilities Spallation Neutron Source Oak Ridge Leadership Computing Facility High Flux Isotope Reactor