U.S. Department of Energy

Pacific Northwest National Laboratory

Projects

NPSI LDRD PROJECTS

Projects and their respective principal investigators are listed below. View our Publications.

Science Thrust 1: Legacy Waste

  • An In-situ Investigation of Gamma-AlOOH Dissolution under High pH Conditions
  • Edgar Buck  (Project completed in fiscal year 2017)
  • Correlation of Colloidal Interactions and Macroscopic Rheology in Concentrated Electrolyte Solutions
  • Jaehun Chun  (Project completed in fiscal year 2018)
  • Outcomes
  • Particle-Filter Surface Interactions and Dynamics in the Presence of Cross-Flow
  • Richard Daniel  (Project completed in fiscal year 2018)
  • Outcomes
  • Fundamental Insights into Gamma-Radiation Effects at Complex Oxide-Water Interfaces from First Principles Simulations
  • Sebastien Kerisit
  • Controlled Mineral Growth for Improving Tc-99 and I-129 Retention in Cementitious Waste Forms
  • Sarah Saslow

Science Thrust 2: Nuclear Security

  • Modeling the Interfacial Effects, Partitioning, and Production Routes of Epsilon Particles in Uranium Oxide
  • Richard Clark  (Project completed in fiscal year 2018)
  • Ion Implantation and Characterization of Epsilon Metal Phase Formation in Ceria
  • Ram Devanathan
  • Interfacial Diffusion and CRUD Formation at the Liquid-Liquid Interface of Solvent Extraction Processes Research
  • Amanda Casella
  • Development of Phase Field Modeling to Predict Morphologies of Plutonium Oxalate
  • David Abrecht  (Project transitioned to another research activity in fiscal year 2018)
  • Fundamental Understanding of Nucleation Processes to Assess Solution Stability and Phase Growth and Genesis
  • Gregg Lumetta  (Project completed in fiscal year 2018)
  • Monitoring Diffusion of Actinide Daughters and Granddaughters in Metals for Chronometer Applications
  • Dallas Reilly  (Project completed in fiscal year 2018)

Science Thrust 3: Analytical Capabilities

  • Determining Radiolytic Transient Intermediates and Interfacial Species and Their Roles in Aluminum Oxyhydroxide Reactivity
  • Zheming Wang
  • Characterization of Radiation Induced Materials Defects Across Scales
  • Luke Sweet
  • Damage Mechanisms and Defect Formation in Irradiated Model Systems
  • Steven Spurgeon
  • Dissolution of Spent Nuclear Fuel: An In-situ and Atomic Resolution TEM Study
  • Edgar Buck
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