Poster Session

Multi-Cycle Direct Oxide Reduction Stirrer Assessment Using Material Simulants

Tatiana Ayers (SRNL), Courtney Dilley (SRNL), Aidan Komendantov (SRNL), Will Weyer (SRNL)

An Entropic Approach to Estimating Orbital Occupancies in Plutonium

Miles F. Beaux II (LANL)

Further Investigations of Pu Metal with LIBS

Dung Vu (LANL), John D. Auxier II (SRNL), Jason Darvin (SRNL), D. DeWayne Dick (SRNL)

Corrosion Testing of Chemically Modified Tantalum Coupons in a High-Temperature Molten Salt Environment with Chlorine and Oxygen Gas

Greg Chipman (SRNL), Tatiana Ayers (SRNL)

Oxygen Concentration Measurements in Chloride Molten Salts

Adam Burak (Univ. Michigan), Stephen Raiman (Univ. Michigan)

Anode Heel Recycling: Removal of Gallium Through Pyrochemical Methods

Taylor V. Fetrow (LANL), Aaron M. Tondreau (LANL), Nickolas H. Anderson (LANL), Tabitha Kalin (LANL), Bonnie E. Klamm (LANL)

Drivers for Thermal and Radiolytic Degradation of Plutonium Oxalates

Jason R. Darvin (SRNL), Eliel Villa-Aleman (SRNL), Don D. Dick (SRNL), Thomas C. Shehee (SRNL), Bryan J. Foley (SRNL), Weslee A. Kersey (Univ. Florida), Kyle C. Hartig (Univ. Florida)

Metal Oxides as Isotopic Barcodes for Intentional Nuclear Forensics

Lorianne Shultz-Johnson (SRNL), Katherine Koh (SRNL), Kelsey Reamer (SRNL), Matthew Harrell (SRNL), Abigail Waldron (SRNL), Kyle Samperton (SRNL), Shelby Bowden (SRNL), Rachel Bergin (SRNL), Michael Bronikowski (SRNL), Christopher Barrett (SRNL), Spencer Scott (SRNL), Gage Green (SRNL), Matthew Wellons (SRNL)

Pu Particle Fate and Transport: Simulating and Validating Plutonium Particle Dynamics in Lab Environments

Scott Muller (PNNL), Mercedes DeSmet (PNNL), Neil Henson (PNNL), Lance Hubbard (PNNL), Anjelica Bautista (PNNL), Sarah Miley (PNNL), Aaron Nicholas (PNNL), Amanda Casella (PNNL), Ashley Williams (PNNL), Edgar Buck (PNNL), Debra Barnett (PNNL), April Carman (PNNL)

On the Influence of Temperature and H2 Pressure on Cerium Hydriding Behavior

C. Perderiset (CEA), K. Weulersse (CEA), V. Magnien (CEA), F. Delaunay (CEA)

Curium Oxide Synthesis and Characterization: Oxide Composition and Morphology Effects on Heavy Element Production

Connor J. Parker (ORNL), Samantha K. Cary (ORNL), Ida DiMucci (LANL), Stosh A. Kozimor (LANL)

Sputtering of Plutonium and Uranium Oxide Surfaces

Alessandro R. Mazza (LANL), William Ponder (LANL), Connor Dozhier (LANL), Daniel T. Olive (LANL), Sarah Hickam (LANL)

Morphological and Chemical Provenance Signatures from Plutonium and Uranium Materials

Brandon W. Chung (LLNL), Alexander A. Baker (LLNL), Scott B. Donald (LLNL), Tian Li (LLNL), Rachel Lim (LLNL), Uday Mehta (LLNL), Debra L. Rosas (LLNL), Donya R. Servando-Williams (LLNL), Nick H. Cicchetti (LLNL), Alex S. Ditter (Berkeley Lab), David K. Shuh (Berkeley Lab)

Microstructural Evolution of δ-phase 239Pu-Ga Alloys from Cryogenic to High Temperatures: A High-Resolution Neutron Diffraction Study

Alice I. Smith (LANL), B. Clausen (LANL), J. Zhang (LANL), D.W. Brown (LANL), J.E. Siewenie (LANL), T.D. Carter (LANL), S. Richmond (LANL), M. Ramos (LANL)

Exploring Structural Characteristics of Plutonium Using 4-Dimensional Scanning Transmission Electron Microscopy (4D-STEM)

Theresa M. Kucinski (LANL), Matthew T. Janish (LANL)

Characterization of MC-15 Neutron Detector for Source Quantification

C. Egozi (LANL), R. Winkler (LANL)

Computational Study of the Interactions of Tetravalent Actinides (An = Th-Pu) with the α-Fe13 Keggin Cluster

Ryan L. Dempsey (Univ. Manchester), Nikolas Kaltsoyannis (Univ. Manchester)

Vapor Pressure Measurements of Low Concentration Actinides in FLiBe

S. Scott Parker (LANL), Hannah K. Patenaude (LANL), J. Matt Jackson (LANL), Marisa J. Monreal (LANL)

Development of Magnesia-Based Cement for the Solidification of Pu-Bearing Effluent and Disposal at WIPP

William Jolin (SRNL), Katy Broadwater (SRNL), Casey Feldt (Savannah River Nuclear Solutions), Brandon Young (Savannah River Nuclear Solutions), Nathan Wyeth (SRNL)

Experimental Measurements of the Electronic Structure of Plutonium-Containing Samples Using Scanning Tunneling Spectroscopy

Benjamin R. Heiner (Univ. Notre Dame), Miles F. Beaux (LANL)

Controlled Supercriticality for Materials Testing: Restarting LANL Pulsed Reactor Testing of Plutonium After 20 Years

A. Foley (LANL), D.T. Olive (LANL), E.S. Lum (LANL)

High Resolution Electron Microscopy Analysis of Delta Pu Implanted with He Bubbles

Matthew J. Olszta (PNNL), Dallas Reilly (PNNL), Andrew Casella (PNNL), Mark Engelmann (PNNL), Scott J. Tumey (LLNL), Scott C. McBeath (LLNL), Swanee J. Shin (LLNL), James M. McNaney (LLNL)

PuO2 Photoluminescence

Don D. Dick (SRNL), Jason R. Darvin (SRNL), Megan Hoover (SRNL), Thomas C. Shehee (SRNL), Bryan J. Foley (SRNL), Eliel Villa-Aleman (SRNL)

Testing the Next Generation of Solvents: The Search for an Alternative to HFC and HFE Solvents

M.A. Torcivia (SRNL)

Rationalizing the Stabilizing Power of Pnictogen Oxides for the Oxidation of Cf(III) Using Tb(III) and Pr(III) as Redox Surrogates

Cristian Celis-Barros (ORNL), Trenton Vogt (Michigan State)

The Effects of Hubbard-U on Plutonium Oxides

Alexandria R. Alcantara (LANL), Sarah C. Hernandez (LANL)

Cs2PuCl6 in Pyrochemical Plutonium Processing: A Preliminary Surrogate Study on the Thermal Behavior of Cs2CeCl6

Kristen Pace (LANL), Andrew Strzelecki (LANL), Nikki Wolford (LANL), Nick Anderson (LANL), Ben Stein (LANL)

High Energy X-Ray Characterization of Microstructure at Macroscopic Depths in Pu Alloys

D.W. Brown (LANL), D.T. Carver (LANL), B. Clausen (LANL), T. Jacobs (LANL), R. Pokharel (LANL), D.J. Savage (LANL), A.I. Smith (LANL), C. Yablinsky (LANL), P. Kenesei (ANL), J.-S. Park (ANL)

Quantifying Plutonium Surface Reactions with High Energy X-Ray Diffraction and μ-Computed Tomography

D.T. Carver (LANL), D.W. Brown (LANL), B. Clausen (LANL), R. Pokharel (LANL), D.J. Savage (LANL), P. Kenesei (ANL), J.-S. Park (ANL)

In-Situ Observation of Hydride Formation During Focused Ion Beam Milling

Douglas S. Smith (LANL), Theresa M. Kucinski (LANL), Matthew T. Janish (LANL), Sarah C. Hernandez (LANL)

X-ray Photoelectron Spectroscopy Data Fitting Using a Genetic Algorithm

Alaina Thompson (Illinois Institute of Technology), Jeff Terry (Illinois Institute of Technology), Dan Olive (LANL), Miu (Andy) Lau (Boise State), Min Long (Boise State), Evan Restuccia (Univ. Missouri), Tim Stack (Illinois Institute of Technology)

Stabilization of Reactive Fragments at High Valent f-elements Through Imidophosphorane Ligand Derivatives

Haruko Tateyama (Georgia Tech), Henry S. La Pierre (Georgia Tech)

Precise Compositional Characterization of Plutonium Alloys by Electron Probe Microanalysis

James Maner (Savannah River Nuclear Solutions), Michael Matthews (Atomic Weapons Establishment), Gordon Moore (LANL)

Establishing a Material Characterization Laboratory for the Savannah River Plutonium Processing Facility (SRPPF)

James Maner (Savannah River Nuclear Solutions), Roger Bright (Savannah River Nuclear Solutions), Monica Tran (Savannah River Nuclear Solutions), Victoria Ibarra (Savannah River Nuclear Solutions), Daniel Foley (Savannah River Nuclear Solutions)

Non-Linear Bonding Trends in 1,2-Dithiolate Actinide Complexes

Nicholas Beck (Colorado School of Mines), Thomas Albrecht-Schoenzart (Colorado School of Mines)

Expanding the Scope of the Actinide Lanthanide SEParation Concept (ALSEP) in Nuclear Waste Remediation

Quinn E. Summerfield (Univ. Nevada, Las Vegas), Logan A. Smith (Univ. Nevada, Las Vegas), Artem V. Gelis (Univ. Nevada, Las Vegas)

Thermodynamics of Impurities in Plutonium Alloys: Ab initio and CALPHAD Investigation of Pu-Cr-Ga-Fe-Ni-U System

Emily E. Moore (LLNL), Alex Landa (LLNL), Per Söderlind (LLNL), Scott Peters (LLNL), Aurélien Perron (LLNL), Tien Roehling (LLNL)

Extraction of Pu(IV) from Nitric Acid by 2-Ethylhexylphosphonic Acid Mono-2-Ethylhexyl Ester and N,N,N',N'-Tetra-2-Ethylhexyldiglycolamide

Logan Smith (Univ. Nevada, Las Vegas), Artem V. Gelis (Univ. Nevada, Las Vegas)

The Structures and Optical Spectra of Hydrated Trivalent Plutonium Tetrazolate Compounds

Zhuanling Bai (Colorado School of Mines), Thomas E. Albrecht-Schönzart (Colorado School of Mines)

Summarizing Nuclear Science Documents and how These Summaries are Influenced by Education vs Experience

Eric Hoar (SRNL), Megan Hoover (SRNL), Lindsay Roy (SRNL)

Manufacture and Design of "SRNL Mini-Mixer Settlers" -- Historic Significance, Fabrication Lessons, and Modern Upgrades to Solvent Extraction Equipment

Rachael Fara (SRNL), Russell Crowder (SRNL), Ryan Shaw (SRNL), Sun Jae Kim (SRNL), Tracy Rudisill (SRNL)

Modeling Dose Rates in Plutonium Downblend Processes in the K-Area Interim Surveillance Glovebox

Keith C. Bledsoe (ORNL), R. Blake Wilkerson (ORNL), Douglas E. Peplow (ORNL), Arzu Alpan (ORNL), Robert E. Grove (ORNL), Deanna Stimac (SRNL)

Uranium (VI) Solubility Behavior in WIPP-Specific Brine and in the Presence of WIPP-Relevant Organics

Ceren Kutahyali Aslani (LANL), Ugras Kaplan (LANL), Adrianne Navarrette (LANL), Jandi Potter (LANL), Jonathan Icenhower (LANL)

Recovery of PuO2 from a Complex CaCl2 Matrix Using Aqueous Capabilities at LLNL

Brandon Smiddy (LLNL), Samuel Cross (Atomic Weapons Establishment), David Roberts (LLNL)

Investigation of CdZnTe for Plutonium Facility Hold-up Measurements

A.J. Liebmann (LANL), C. Egozi (LANL), R. Winkler (LANL)

Transmission Electron Microscopy of Plutonium at Los Alamos National Laboratory: History and Future Prospects

Matthew T. Janish (LANL), Matthew M. Schneider (LANL)

Structural Changes in Molten Salt Fuel and/or Waste Stream Compounds Cs2UCl6 and Cs2UO2Cl4 from Room Temperature to Melting

Benjamin W. Walusiak (LANL), Alice I. Smith (LANL), Sven C. Vogel (LANL), Stephen S. Parker (LANL), Madeline Shore (Georgetown Univ.), Karah E. Knope (Georgetown Univ.), Christopher L. Cahill (George Washington Univ.)

Creating New Chemical Process Models for Pu Processing

Silvina A. Di Pietro (LLNL), John D. Brown (LLNL), Bradley C. Childs (LLNL), Maria P. Demireva (LLNL), Maryline G. Ferrier (LLNL), Tsuyoshi A. Kohlgruber (LLNL), Saurabh Narain (LLNL), Ahilan Renganathan (LLNL), Hiroshi H. Saito (LLNL), Jeremy A. Scher (LLNL), Scott A. Simpson (LLNL), Emma R. Tardiff (LLNL), Lawrence E. Banks (LLNL)

Small-Scale Pu Anion Exchange Contact Studies for Model Development

Tsuyoshi A. Kohlgruber (LLNL), Silvina A. Di Pietro (LLNL), Emma R. Tardiff (LLNL), Scott A. Simpson (LLNL), Maryline G. Ferrier (LLNL), Bradley C. Childs (LLNL), Saurabh Narain (LLNL), Maria P. Demireva (LLNL), Jeremy A. Scher (LLNL), Hiroshi H. Saito (LLNL), Lawrence E. Banks (LLNL)

Interpreting Pu Radiation Damage in EXAFS Data Using Genetic Algorithm Fitting

Daniel Olive (LANL), Ari Foley (LANL), Meghan Gibbs (LANL), Sarah Hickam (LANL), Jeremy Mitchell (LANL), Alison Pugmire (LANL)

Impact of Outer-Sphere Cations on Selective Precipitation of Actinide Chloride Complexes with Cesium Chloride

Brittany L. Huffman (LANL), Thomas E. Shaw (LANL), Aldo M. Jordan (LANL), Monica S. Mullis (LANL), Nikolas H. Anderson (LANL), David B. Kimball (LANL), Sara L. Adelman (LANL), Brian T. Arko (LANL), Stosh A. Kozimor (LANL)

An Ab-initio Study of Self-Irradiation Damage in alpha-Pu

Roxanne M. Tutchton (LANL), Kashi Subedi (LANL), Raymond Atta-Fynn (LANL), Sarah C. Hernandez (LANL)

Plutonium Metallography Development and Microstructural Characterization at PNNL

Matthew T. Athon (PNNL), Jacqueline I. Royer (PNNL), Dallin J. Barton (PNNL), Matthew J. Olszta (PNNL), Scott H. Swenson (PNNL), Strother J. Cooper (PNNL), Lucas E. Sweet (PNNL), Dallas D. Reilly (PNNL)

Site-Sharing Na+-Ce(IV)/Pu(IV) Sulfate Compounds

A. Kirstin Sockwell (Univ. Notre Dame), Elodia Ciprian (Univ. Notre Dame), Ginger E. Sigmon (Univ. Notre Dame), Allen G. Oliver (Univ. Notre Dame), Peter C. Burns (Univ. Notre Dame), Amy E. Hixon (Univ. Notre Dame)

Plutonium Phase Stability Through Thermophysical Evolution

Najeb M. Abdul-Jabbar (LANL), Shane C. Mann (LANL), David M. Wayne (LANL), Jeremy N. Mitchell (LANL)

Combining Automated Experimentation and Machine-Learning for Spent Nuclear Fuel Separations

Logan J. Augustine (LANL), Yufei Wang (LANL), Stosh A. Kozimor (LANL), Sara L. Adelman (LANL), Joshua Schrier (Fordham Univ.), Enrique R. Batista (LANL), Danny Perez (LANL), Ping Yang (LANL)

Nuclear Magnetic Resonance and Physical Properties of Pu-B and Pu-C Compounds

Eric D. Bauer (LANL), R. Yamamoto (LANL), S.B. Blackwell (LANL), P. Sherpa (Univ. California, Davis), A.R. Altenhof (LANL), H.E. Mason (LANL), A.P. Dioguardi (LANL), M. Hirata (LANL), H. Yasuoka (LANL), W.A. Phelan (LANL), S.M. Thomas (LANL), S.K. Cary (ORNL), S.A. Kozimor (LANL), P.H. Tobash (LANL), D.C. Arellano (LANL), J.D. Thompson (LANL), F. Ronning (LANL)

In-Line LIBS Development for Chemical Analysis in Actinide Materials

Dung M. Vu (LANL), Bryan C. Paulus (LANL), Young-Shin Park (LANL), Kelly E. Aldrich (LANL), Christopher J. Godt (LANL), Brendan J. Gifford (LANL), Amanda J. Neukirch (LANL), Aaron A. Forde (LANL), Elizabeth J. Judge (LANL), James E. Barefield II (LANL), Didier Saumon (LANL), Jerrad P. Auxier (LANL), Samuel M. Clegg (LANL), Ronald Martinez (LANL), James P. Colgan (LANL), Lisa K. Fulks (LANL), John D. Auxier II (SRNL)

Advancements in Resonant Ultrasound Spectroscopy

Tannor T.J. Munroe (LANL), Christopher A. Mizzi (LANL), Boris Maiorov (LANL)

Classical Molecular Statics and Dynamics Study of PuO2 High-Coincidence Grain Boundary Structures and Defects

Larissa M. Woryk (LANL), Aaron A. Kohnert (LANL), Sarah C. Hernandez (LANL)

Increasing Efficiency of the CoXTL Concept: Recent Improvements in Am Oxidation Kinetics

Jennifer M. Pyles (Univ. Alabama, Birmingham), Jeffrey D. Einkauf (ORNL), Luke R. Sadergaski (ORNL), Laetitia H. Delmau (ORNL), Bruce A. Moyer (ORNL), Jonathan D. Burns (Univ. Alabama, Birmingham)

Behavior of Tungsten Components During Actinide Pyroprocessing

Elise M. Shauf (Univ. Michigan), Adam Burak (Univ. Michigan), Stephen S. Raiman (Univ. Michigan)

Oxic and Anoxic Adsorption of Cs, Tc, Pu, and Np to Na-montmorillonite

Matthew Riss (Clemson Univ.), Brian Powell (Clemson Univ.)

Surface Properties of Actinide Dioxide and Their Effect on Reactivity

Enrique R. Batista (LANL), Gaoxue Wang (LANL), Ping Yang (LANL)

Understanding the Mechanisms of Ce Oxidation at Micro and Atomic Scales

Dallin J. Barton (PNNL), Jacqueline I. Royer (PNNL), Matthew T. Athon (PNNL), John M. Mayer (PNNL), Delaney Davis (PNNL), Josephine C. Hartmann (PNNL), Parker K. Okabe (PNNL), Kayla H. Yano (PNNL), Jordan F. Corbey (PNNL), Lucas E. Sweet (PNNL), Daniel E. Perea (PNNL), Shawn L. Riechers (PNNL), Dallas D. Reilly (PNNL), Richard A. Clark (PNNL), Matthew Nelson (Savannah River Nuclear Solutions), James Maner (Savannah River Nuclear Solutions)

Investigating Actinide Containing Single Particle Systems Using Synchrotron-Based X-Ray Fluorescence and X-Ray Absorption near Edge Fine Structure

Dominic Piedmont (Brookhaven), Mehmet Topsakal (Brookhaven), Andrew Kiss (Brookhaven), Lorrianne Shultz-Johnson (SRNL), Rachel Bergin (SRNL), Shawna Tazik (SRNL), Christopher Barrett (SRNL), Simerjeet K. Gill (Brookhaven)

Electrolytic Polishing Experiments on Plutonium

Zachary Levin (LANL), Michael Middlemass (LANL), Victoria Cox (LANL), Holly Neff (LANL), Roger Jaramillo (LANL), Simon Barlow (LANL)

Characterization of Internal Localized Corrosion in Plutonium-Bearing Material Storage Containers

Emmanuel Perez (SRNL), Roderick Fuentes (SRNL), Henry Ajo (SRNL)

Aquatic Chemistry of An(III)/Ln(III) and U(VI) in Dilute to Concentrated Nitrate and Sulfate Systems

X. Gaona (Karlsruhe Institute for Technology), P.F. dos Santos (Karlsruhe Institute for Technology), A. Lassin (French Geological Survey), F. Greb (Karlsruhe Institute for Technology), C. Shang (Karlsruhe Institute for Technology), F. Häusler (Karlsruhe Institute for Technology), K. Garbev (Karlsruhe Institute for Technology), A. Skerencak-Frech (Karlsruhe Institute for Technology), D. Fellhauer (Karlsruhe Institute for Technology), M. Altmaier (Karlsruhe Institute for Technology), B. Made (National Agency for Radioactive Waste Management)