Plutonium Futures: The Science 2018

Table of Contents

Author Index

WIPP Operations and the Disposal of Plutonium

Todd A. Shraderÿ(DOE), invited

The Advantage of Fission Fragment Damage

M. K. Meyer (INL), S. Pimblottÿ(INL), S. Zinkle, M. Langÿ(Univ of Tennessee Knoxville), invited

Plutonium Alloys and Delta Phase Stability: Solute Element Diffusion Plays an Important Part in the Martensitic Reversion Process and the Corrosion Phenomenon

B. Oudot, B. Ravatÿ(CEA), A. Perronÿ(LLNL), L. Jolly, C. Gueneau, F. Delaunayÿ(CEA), invited

Effects of Irradiation-Induced Electronic Excitation on Simple and Complex Oxides

Cameron Tracyÿ(Stanford Univ), invited

Atom Probe Tomography Analysis of Plutonium

Dallas Reilly, Edgar Buck, Amanda Casella, Jordan Corbey, Timothy Lach, Tenisha Meadows, Daniel Perea, Karl Pitts, Jon Schwantes (PNNL)

Dependence of Mechanical Properties of Actinides on Nano-Grain Structure and Alloying Addition Distribution

A. V. Karavaev, V. V. Dremov, F. A. Sapozhnikov, G. V. Ionovÿ(RFNC)

Perspectives in Using Raman Spectroscopy for Characterizing the Microstructure of Plutonium-Bearing Materials

Laetitia Medykÿ(CEA), Patrick Simon, Aur‚lien Canizaresÿ(CEMHTI), Dario Manara, Rudy J. M. Konings, Jean-Yves Colleÿ(EC-JRC), Romain Vauchy, Christophe Valotÿ(CEA), Gilles Montagnac (CNRS), Philippe M. Martinÿ(CEA)

Solubility, Hydrolysis and Solid Phase Formation of Hexavalent Pu in Alkaline NaCl Solutions

D. Fellhauer, J. Schepperle, T. Schramm, X. Gaona, D. Schildÿ(KIT), O. Walterÿ(EC-JRC), J. Rothe, M. Altmaier, H. Geckeisÿ(KIT), invited

Pu Transport Mechanisms in the Environment: Field Evidence, Conceptual Models, Experimental Data, and Remediation Strategies

Mavrik Zavarinÿ(LLNL), invited

Examination of the Effect of Alpha Radiolysis on Pu(IV/V) Sorption to Minerals Using Multiple Pu Isotopes

A. Schnurrÿ(KIT), B. Powellÿ(Clemson Univ)

Terrestrial Distribution of Pu in China: A Review of Published Data

Sixuan Li, Qiuju Guoÿ(Peking Univ)

The BioGeoChemistry of Actinides Scientific Focus Area at Lawrence Livermore National Laboratory

M. Zavari, A. B. Kersting, E. Balboni, J. Begg, Z. Dai, S. Hellebrandt, Y. Jiao, R. Kips, H. Mason, R. Maxwell, K. Morrison, C. Pan, C. Pilgrim, T. Parsons-Davis, S. Tumeyÿ(LLNL), B. Powellÿ(Clemson Univ), W. Caseyÿ(Univ of California, Davis), C. Boothÿ(LBNL), G. Lawÿ(Univ of Manchester), H. Geckeis, F. Quintoÿ(Univ of Karlsruhe), D. Kaplanÿ(SRNL)

Laser Spectroscopy and Detection of Actinides/Lanthanides in Solutions

Igor Izosimovÿ(Joint Inst for Nuclear Research)

State and Composition of U Contained Within Fukushima Daiichi Derived Ejecta Particulate: Implications for Near-Surface Actinide Contamination and Species Mobility

P. G. Martin, Y. Satouÿ(JAEA), T. B. Scottÿ(Univ of Bristol)

Pu Redox Chemistry in the Presence of Iron-Bearing Minerals and EDTA

Nicole A. Mooreÿ(Univ of Notre Dame), Ezgi Yalcintas, Donald T. Reedÿ(LANL), Amy E. Hixonÿ(Univ of Notre Dame)

Localized Shear and Compression-Test Diagrams of Uranium Alloy with Niobium and Molybdenum at Dynamic Loading

V. A. Pushkov, A. V. Yurlov, A. N. Tsibikov, T. G. Naidanovaÿ(RFNC-VNIIEF)

Low Temperature Radiation Damage Study of ë-Phase 239PuGa Alloys by Neutron Diffraction

Alice I. Smith, Sven C. Vogel, Jianzhong Zhang, Scott Richmond, Michael Ramos, James Gallegos, Franz Freibertÿ(LANL)

Non-Equilibrium Chemical Routes to Metal Reduction

Ryan Stillwell, Kiel Holliday, Yaakov Idell, Jason Jeffriesÿ(LLNL)

Development of Am-241 Based Materials Used as Radioisotope Heating Element for Space Application

J.-F. Vigier, D. Freis, R. J. M. Koningsÿ(EC-JRC)

Microstructure of ë-phase 239Pu-2at.%Ga Alloy at Low Temperature by Neutron Diffraction Peak Profile Analysis

Alice I. Smith, Jianzhong Zhang, Bjorn Clausen, S. C. Vogel, Donald W. Brown, Franz F. Freibertÿ(LANL)

Out with the Old and in with the New: Plutonium Materials Research Enhancements at Los Alamos National Laboratory

Jeremy N. Mitchell, Terry G. Holesinger, Matthew M. Schneider, Paul H. Tobashÿ(LANL)

Understanding the Atomistic to Mesoscopic Processes in Uranium Hydride Nucleation and Growth

Terry G. Holesinger, Edward F. Holby, Roland K. Schulze, Matthew T. Janish, Matthew M. Schneider, Eric L. Tegtmeier, Andrew W. Richardsÿ(LANL)

Feasibility Study of Separation of Plutonium from Metallographic Epoxy Mounts Using a Cremated Remains Processor

Jerzy Kulisÿ(LANL)

Study on the Leaching of Actinides from Nuclear Fuel Debris

Akira Kirishima, Daisuke Akiyamaÿ(Tohoku Univ), Takayuki Sasakiÿ(Kyoto Univ), Nobuaki Satoÿ(Tohoku Univ)

The Selectively Separation of Cerium(?) by Sodium Bismuthate Nano-Sheets

Ning Wang, Chu-Ting Yang, Sheng Huÿ(CAEP)

The Sellafield Plutonium Storage Can Surveillance Programme: Characterization of PuO2 After Extended Storage

M. Carrott, H. Colledge, J. Dodds, M. Farrer, C. Gregson, J. Holt, C. Mason, R. Orr, M. Sarsfield (NNL), H. E. Simsÿ(Sellafield Ltd.), R. J. Taylor, L. Walton, S. Woodall, D. Woodheadÿ(NNL), J. Hobbs, H. Steeleÿ(Sellafield Ltd)

GNEP-Sponsored Feasibility Studies of MOX Fuel Cycles in American BWRs and PWRs

Thongchai Patchana, Craig Hove, Thomas Bajatÿ(Framatome), Dieter Bender (retired)

Thermal Stability and Crystal Structure of Uranium Nitride

Xiaofang Wang, Zhong Long, Yin Hu, Ke-zhao Liuÿ(CAS)

Structural and Electrochemical Investigations of Trivalent and Tetravalent Metal-Doped UO?

Sang Ho Lim (KAERI/UST), Jeongmook Lee, Jandee Kim, Young-Sang Youn, Jong-Yun Kimÿ(KAERI)

Stable-Isotope Fractionation of Nitrogen by Uranium in Nitric Acid

Jacquelyn M. Dorhout, Marianne P. Wilkerson, Samuel M. Cleggÿ(LANL)

Radiolytic Recombination of H2, O2 and N2 over PuO2 and Ceramic Oxide Surrogates

Darryl Messer, Luke Jonesÿ(Dalton Cumbrian Facility/Univ of Manchester), Robin Orr (NNL), Sven Koehler (Dalton Cumbrian Facility/Univ of Manchester/Manchester Metropolitan Univ), Simon Martin Pimblottÿ(Dalton Cumbrian Facility/Univ of ManchesterINL)

Possibility of Actinide Protection with Metal Coatings

T. Kazakovskaya,ÿE. Goryachevÿ S. Bezrukovÿ(RFNC -VNIIEF)

The Temperature-Dependent Transition From Parabolic to Linear Oxide Growth on Uranium Determined by Grazing Angle X-Ray Diffraction

C. K. Saw, Y. Idell, W.J. J. Siekhausÿ(LLNL)

AES Investigation of Plutonium Oxidation at High Relative Humidity

S. B. Donald, A. J. Nelson, W. McLeanÿ(LLNL)

Spectroscopic Ellipsometry Investigation of Time Dependent Oxidation Rates of Uranium in Pure Oxygen

Y. Idell, W. Siekhaus, K. Blobaum, W. McLean IIÿ(LLNL)

A Study on the Microstructure-Dependent Hydriding Characteristics of Uranium with Different Cooling Rates

Hefei Ji, Peng Shi, Xiaolin Wangÿ(CAEP)

Modelling the Surface Chemistry of Plutonium Oxide

Jonathan Collard, Nikolas Kaltsoyannisÿ(Univ of Manchester)

Effects of Sputtering on Pu Surface by STM/STS/AES

Miles F. Beaux, Neliza Le¢n Brito, Igor O. Usovÿ(LANL)

Microscopic Characterization of Teardrop Specimens Exposed to Plutonium Bearing Materials

Juan G. Duque, Josh Narlesky, Mary Ann Stroud, Daniel Rios, Elizabeth J. Kelly, Stephen A. Joyce, John M. Berg, D. Kirk Veirs, Laura A. Worlÿ(LANL)

The First Principles Study of Interaction Properties Between Reactive Molecules and Pu-Dioxide Surface

Bo Sun, Hai Feng Liu, Hai-Feng Songÿ(IAPCM)

Valence Configurations and 5f Electron Localization in Pu Metal

J. J. Joyce, K. S. Graham, D. P. Moore, P. H. Tobash, J. N. Mitchell, S. Richmondÿ(LANL), G.H. Landerÿ(EC JRC)

Lanthanide and Actinide Imidophosphorane Chemistry: Molecular Models of Mixed-Valent f-Element Materials

Henry S. La Pierre, Natalie T. Rice, Thaige P. Gompa, Dominic P. Russoÿ(Georgia Tech), Joshua Telserÿ(Roosevelt Univ), Lukas Palatinusÿ(Czech Academy of Sciences), John Bacsaÿ(Georgia Tech)

Synthesis and Characterization of Tetravalent Actinide Complexes with Nitrogen Donor Ligands

Sebastian Sch”ene, Roger Kloditz, Juliane M„erz, Peter Kaden, Michael Patzschke, Peter W. Roesky (KIT), Thorsten Stumpf, Atsushi Ikeda-Ohnoÿ(HZDR)

Characterization and Kinetic Study of Plutonium III and IV Oxalates

Christopher R. Armstrongÿ(PNNL)

The Synthesis and Characterization of Anhydrous Actinide Chlorides and Organic Cations

Jared Stritzinger, George Goffÿ(LANL)

Chemical Separations for the Nuclear Fuel Cycle

Terry Toddÿ(INL), invited

Separation of Neptunium from Actinides in Acidic Feeds Using Different Extractants

P. K. Mohapatraÿ(BARC), invited

Closing the Nuclear Fuel Cycle

Mark A. Williamsonÿ(ANL), invited

Radiolytic Gas Generation From Adsorbed Water on the Surface of PuO2

Luke Jonesÿ(Univ of Manchester), Robin Orr, Howard Simsÿ(NNL), Simon Pimblottÿ(INL)

Development of Process Monitoring Tools for the Uranium-Plutonium Separation and Purification from Spent Nuclear Fuel by Liquid-Liquid Extraction

Sylvain Costenoble, SylvainBroussard, Johann Sinot, Vincent Vanel, Christian Sorel, Marc Montuir, Manuel Miguirditchian, St‚phane Grandjeanÿ(CEA)

Plutonium and Uranium Coordination in the SiC Layer of Irradiated TRISO Fuel

Rachel Seibertÿ(IIT), Kurt Terraniÿ(ORNL), Jeff Terryÿ(IIT)

Plutonium Environmental Chemistry: Mechanisms for the Surface-Mediated Reduction of Pu (V/VI)

Amy E. Hixonÿ(Univ of Notre Dame), invited

Redox Behavior of Pu (III/IV) in Dilute to Concentrated Saline Systems

E. Yalcintasÿ(LANL), A. N. Gaiser, T. Albrecht-Schmittÿ(Florida State Univ), Donald T. Reedÿ(LANL)

Speciation of Plutonium and Uranium in Natural Seawater and in P. Lividus Sea Urchin

M. R. Beccia, B. Reeves, M. Maloubierÿ(Universit‚ C“te d'Azur), T. Dumas, P. Moisyÿ(CEA, DEN), P. L. Solariÿ(Synchrotron SOLEIL), M. Monfort, C. Moulinÿ(CEA, DAM, DIF), D. K. Shuhÿ(LBNL), C. Den Auwer (Universit‚ C“te d'Azur)

New Chelating Agents for Plutonium Pulmonary Decorporation

L. L‚ostÿ, L. Vincent, N. Sbirrazzuoliÿ(Insti de Chimie de Nice, Uni), J. Roquesÿ(Univ Paris-Sud), A. Van Der Meerenÿ(CEA), C. Hennig, A. Rossbergÿ(HZDR), C. Den Auwer,ÿ C. Di Giorgio (Inst de Chimie de Nice)

Metallurgy of PuGa Alloys: The Latest Insights into ë-Phase Stability and Oxidation

B. Ravat, B. Oudot, L. Jolly, F. Lalire, A. Perron, F. Delaunayÿ(CEA), invited

In Stream Monitoring of Off-Gasses from Plutonium Fluorination

Amanda Casellaÿ(PNNL), Job Belloÿ(Spectra Solutions), Sam Bryan, Richard Clarkÿ(PNNL), Calvin Delegardÿ(TradeWinds), Jennifer Carter, Forrest Heller, Amanda Lines, Bruce McNamaraÿ(PNNL), invited

Progress on the Thermophysical Properties of Some Plutonium Alloys and Compounds

Paul H. Tobash, Eric D. Bauer, Jeremy N. Mitchell, Daniel S. Schwartz, Franz J. Freibert, Scott Richmondÿ(LANL), David W. Wheelerÿ(AWE), Thomas. E. Albrecht-Schmittÿ(Florida State Univ)

EXAFS Studies of Radiation Damage and Annealing in Pu

Daniel T. Olive, Alison L. Pugmire, Franz J. Freibertÿ(LANL), Corwin H. Boothÿ(LBNL)

Effect of Grain Size on Gallium Precipitation in Gallium-Stabilized ë-Plutonium: A Numerical Study

Piheng Chen, Xinchun Laiÿ(CAEP)

A New Paradigm in Actinide Research: Nuclear Materials Science at the Micron-Scale

Jon Schwantes, Reid Peterson, Dallas Reilly, Richard Clark, Daniel Perea, Richard Buckner, Edgar Buck, John Cliff, Michelle Conroy, Timothy Lach, Paul MacFarlanÿ(PNNL), J. David Robertsonÿ(Univ of Missouri, Columbia), Camille Palmer, Todd Palmerÿ(Oregon State Univ), Sue Clarkÿ(PNNL)

Plutonium Aerosol Informatics: Understanding, Communicating, and Managing Radiation Safety in Plutonium Science

Mark D. Hooverÿ(National Inst Occupational Safety & Health), Leigh J. Cashÿ(LANL)

Pu Mobility in the Vadose Zone: Influence of Organic Matter, Redox Cycling, and PuO2 Dissolution

Brian A. Powellÿ(Clemson Univ/SRNL), Nathan Conroy, Melody Maloubier, Kathryn Peruskiÿ(Clemson Univ), Hilary Emersonÿ(Florida International Univ), Daniel I. Kaplanÿ(SRNL), Mavrik Zavarin, Annie Kerstingÿ(LLNL)

Probing Plutonium Dioxide Nanoparticles with Synchrotron Methods

Evgeny Gerberÿ(ESRF/HZDR/Lomonosov Moscow State Univ), Anna Romanchukÿ(Moscow State Univ), Ivan Pidchenko, C. Hennigÿÿ(ESRF/HZDR), Alexander Trigubÿ(Kurchatov Inst), Stephan Weissÿ(HZDR), Andreas C. Scheinostÿ(ESRF/HZDR), Stepan Kalmykovÿ(Moscow State Univ), Kristina O. Kvashninaÿ(ESRF/HZDR)

Innovative Nuclear CRMs for EURATOM Safeguards and Industry

Buda Razvan, Yetunde Aregbe,ÿN. Banik, J. Bauwens, R. Bujak, R. Carlos Marquez, A. M. S nchez Hern ndez,ÿ K. T¢th, Evelyn Zulegerÿ(EC-JRC)

A Comparison of Plutonium Abundance in Soil from Sites in the United Kingdom Measured with High Efficiency, High-Resolution ?-Ray Spectroscopy, Neutron Assay and Accelerator Mass Spectrometry

C. Tighe, M. Cristlÿ(ETH ),C. Degueldreÿ(Lancaster Univ), J. Andrewÿ(Dounreay Site Restoration Ltd), M. J. Joyce (Lancaster Univ)

Uranium (VI) Complexation with Aqueous Silicates in the Acidic to Alkaline pH-Range

Henry Loeschÿ(HZDR), Jan Titsÿ(PSI), Nina Huittinenÿ(HZDR)

Development and Validation of a Surrogate for the Plutonium-Gallium System

Duncan R. Brocklehurst, Rachel N. Gaudet, John D. Auxier II, Howard L. Hallÿ(Univ of Tennessee Knoxville)

Trivalent Impurities Promote Oxygen Vacancy Segregation and Increase Oxygen Transport at Actinide Oxide Grain Boundaries

Adam R. Symington, James Grantÿ(Univ of Bath), Marco Molinariÿ(Univ of Huddersfield), Stephen C. Parkerÿ(Univ of Bath)

Aliovalent Actinide Incorporation into Zirconium(IV) oxide?Spectroscopic Investigations of Defect Fluorite Structures

Manuel Eiblÿ(HZDR), Samuel Shaw, Katherine Morrisÿ(Univ of Manchester), Thorsten Stumpf, Nina Huittinen (HZDR)

What Metallurgical Phenomena Can We Deduce from High-Precision Bulk Density Measurements?

Alexandria N. Marchi, Ryan M. Holguin, Franz J. Freibertÿ(LANL)

L-Base Lathe at Los Alamos National Laboratory

Wendel Brownÿ(LANL)

The PreCalc Project: Development of a Dynamic Model for Plutonium Processing

Lindsay E. Roy, Christopher South, Si Young Lee, Chaitanya Deoÿ(SRNL)

Characterization of Damage in Small Plutonium Samples

Meghan J. Gibbs, Jeremy N. Mitchell, Miranda L. Williams, Tomas A. Martinez, Carlos D. Archuletaÿ(LANL)

Study of Young's Modulus of Alpha and Delta Plutonium

Clarissa A. Yablinsky, Meghan J. Gibbs, Taylor R. Jacobs, Miranda L. Williams, Carlos D. Archuleta, Tomas A. Martinez, Tarik A. Salehÿ(LANL)

Advanced X-Ray Diffraction Line Profile Analysis Methods for Understanding the Microstructure Properties Distributions of Plutonium Oxide as a Function of Processing Conditions

Lucas E. Sweet, Jordan F. Corbeyÿ(PNNL), Matteo Leoniÿ(Univ of Trento)

Towards the Electrolytic Oxide Reduction (EOR) of PuO2: Mitigating Side Reactions in the Cerium System

Marisa J. Monreal, J. Matt Jackson, David A. T. Rodriguez, Kirk R. Weisbrodÿ(LANL), Michael F. Simpsonÿ(Univ of Utah)

Measurement of Length Changes in Naturally Aging Plutonium

S. K. McCall, K. E. Lema, P. B. Mirkarimi, D. Ruddle, J. R. Jeffries, B. W. Chungÿ(LLNL)

Fuel Pellet Swelling and Fracture in Response to Helium Release in 238Pu Fuel Pellets

Roberta N. Mulfordÿ(LANL)

Phase Identification and Thermophysical Properties Evaluation of As-Cast and Annealed Pu-Zr alloys

Cynthia Adkinsÿ(INL), Assel Aitkaliyevaÿ(Univ of Florida)

Microfluidic Devices Applied to Uranium and Plutonium Recovery from Pyrochemical Processing

Janelle Droessler, Eric Auchter, Kevin Boland, Rebecca Chamberlin, Casey Finstad, George Goff, Quintessa Guengerich, David Kimball, Justin Marquez, Quinn McCulloch, John Rowley, Bradley Skidmore, Kirk Weisbrod, Stephen Yarbroÿ(LANL)

A Workshop on the History of Plutonium Processing at Hanford Washington as the Foundation for Modern-Day Plutonium Process Science

F. N. Smith, D. E. Meier, M. K. Edwards, C. R. Armstrong, J. A. Katalenich, A. J. Casella, D. D. Reilly, L. Sweet, J. M. Tingey, G. J. Lumetta, W. K. Pitts (PNNL), C. H. Delegardÿ(Tradewind LLC), D. S. Barnett, M. D. Engelmannÿ(PNNL)

Plutonium Rock-Like Oxide fuel (ROXf) System, Their Once-Through Burning and Usage

Ashraf Elsayed Mohamed Mohamedÿ(Brno Univ)

An Overview Plutonium Work at NSUF Facilities at Los Alamos National Laboratory

Tarik A. Saleh, Thomas J. Venhaus, Adrian S. Losko, Sven C. Vogelÿ(LANL)

Automation Separation and LSC Determination of Plutonium

Qinghua Xu, Zhonghua Xiong, Binyuan Xia, Hailing Zhang, Huanhuan Ding, Weidong Liuÿ(CAEP)

Computational Modeling of Pu (III) Oxalate Precipitation in Acid Solution

Jacob L. Bair, Kerry E. Garrett, David G. Abrechtÿ(PNNL)

Pu Surface Science Lab Capabilities at Los Alamos National Laboratory

Kevin S. Graham, Thomas Venhaus, John J. Joyce, Daniel Olive, Sarah Hernandezÿ(LANL)

Recent Progress of Uranium Surface Nitridation

Kezhao Liu, Xiaofang Wang, Yin Hu, Zhong Long, Lizhu Luoÿ(CAEP)

Corrosion of Uranium in Liquid Water Under Contained Conditions with a Headspace Deuterium Overpressure

A. Banos, T. B. Scottÿ(Univ of Bristol)

Comparison of Oxidation Behaviors of UN0.68 and UN1.66 by XPS

Lizhu Luo, Yin Hu, Kezhao Liu, Xiaolin Wangÿ(CAEP)

Molecular Coordination on Erbium and Plutonium Surfaces: An Infrared Spectroscopy Study

J. D. Anderson, K. Campbell, T. J. Venhausÿ(LANL)

Sorption of Trivalent f-Elements by Biomaterials of Marine Origin ?A TRLFS and Solid-State NMR Study

Kaitlin Kim Karlotta Kammerlanderÿ(Technische Univ Dresden), Nina Huittinenÿ(HZDR), Silvia Paaschÿ(Technische Univt Dresden), Thorsten Stumpfÿ(HZDR), Eike Brunnerÿ(Technische Univ Dresden)

ToF-SIMS Analysis of Hydrogen Within the Native Plutonium Oxide Layer

Thomas J. Venhaus, Sarah C. Hernandezÿ(LANL), Paul Rousselÿ(AWE)

Exploring Mesoscale Plutonium Surface Features via Atomic Force Microscopy

Miguel A. Santiago C¢rdoba, Neliza Le¢n-Brito, Reuben J. Peterson, Miles F. Beaux II, Igor O. Usovÿ(LANL)

Effects of Oxygen Gas Exposure on the Electrical Properties and Electronic Structure of a 7 Atomic % Ga Stabilized ë-Pu Sample Surface

Neliza Le¢n-Brito, Miles F. Beaux, Igor O. Usovÿ(LANL)

Computational Tools for Uranium Compounds

Andrew Miskowiec, Ashley E. Shields, Jennifer L. Niedziela, Marie C. Kirkegaardÿ(ORNL)

First Principles Investigation of the Electronic and Magnetic Structure of Pu6Fe

Sarah C. Hernandez, John M. Willsÿ(LANL)

Strong Anharmonicity in Uranium: Deeper Understanding Through Principal Vibrational Mode Analysis

Sven P. Rudinÿ(LANL)

Tuning f-Electron States in USb2 via Extreme Conditions

N. P. Butchÿ(NIST/Univ of Maryland), R. L. Stillwellÿ(LLNL), I-L. Liuÿ(NIST/Univ of Maryland), S. T. Weirÿ(LLNL), Y. K. Vohraÿ(Univ of Alabama at Birmingham), N. Harrison, M. Jaimeÿ(LANL), J. R. Jeffriesÿ(LLNL)

Synthesis of Electrically Active Switched Ion Exchange Electrode for the Removal of Cesium Ion

A. F. Tawfic, Mohy M. Sabry, M. Yassin Mohsenÿ(Military Technical College)

Covalency in An(III/IV) (An=Pu, Am) Hexachlorides

Jing Su, Stosh A. Kozimor, Enrique R. Batista, Ping Yangÿ(LANL)

Observation of Intense X-Ray Scintillation in a Uranyl Organic Framework

Yaxing Wang (Soochow Univ/Sichuan Univ), Xuemiao Yin ÿ(Soochow Univ), Ning Liuÿ(Sichuan Univ), Zhifang Chai, Chuao Wangÿ(Soochow Univ)

Probing Uranium Complexation with Bio-Inspired Octadenate Hydroxypyridinonate (HOPO) and Catecholamide (CAM) Chelators

Korey P. Carter, Gauthie J.-P. Deblonde, Corwin H. Booth (LBNL), Rebecca J. Abergelÿ(LBNL/Univ of California, Berkeley)

Probing the Influence of Acidity and Temperature to Th(IV) on Hydrolysis, Nucleation, and Structural Topology

Jian Lin, Jian-Qiang Wangÿ(CAS)

Radiation Resistant Covalent Organic Frameworks for Actinide Sequestration: A Breakthrough Under Highly Acidic Conditions

Jipan Yu, Liyong Yuan, Shuai Wang, Jianhui Lan, Zhifang Chai,ÿ(CAS), John K. Gibsonÿ(LBNL), Weiqun Shi (CAS)

Theoretical Insights on the Actinide Endohedral Borospherenes

Cong-Zhi Wang, Tao Bo, Jian-Hui Lan, Qun-Yan Wu, Zhi-Fang Chai, Wei-Qun Shiÿ(CAS)

Alpha Energy Spectrum From a Plutonium Metal Surface

Yongqiang Wang, Daniel Olive, Scott Richmondÿ(LANL)

Desorption of Plutonium from Altered Nuclear Melt Glass Colloids

Claudia Joseph,ÿ Enrica Balboni, (LLNL), Teresa Baumerÿ(Univ of Notre Dame), Kerri Treinen, Anne B. Kersting, Mavrik Zavarinÿ(LLNL)

Regulatory Perspectives on Plutonium Oxidation States at the Waste Isolation Pilot Plant, Carlsbad, New Mexico, USA

E. F. U. Santillanÿ(EPA)

Waste Forms for the Nuclear Fuel Cycle

William J. Weberÿ(Univ of Tennessee), Rodney C. Ewingÿ(Stanford Univ), E. R. Vance, Daniel Greggÿ(ANSTO), Sylvain Peugetÿ(CEA,), Thierry Wissÿ(EC-JRC), invited

Exploring and Expanding High Oxidation States of Actinides

John K. Gibsonÿ(LBNL), Monica Vasiliuÿ(Univ of Alabama), Wibe A. de Jongÿ(LBNL), Kirk Petersonÿ(Washington State Univ), Phuong D. Dau, Yu Gongÿ(LBNL), David Dixonÿ(Univ of Alabama)

Pu Dissolution Yield of a Spent SFR MOX Fuel as a Function of Axial Position in the Reactor (PHENIX NESTOR-3 Tests)

Nathalie Reynier-Tronche, Emilie Buravand, Eric Esbelin, Laurent Huyghe, Stephane Grandjean, Benedicte Arab-Chapeletÿ(CEA)

Microstructural Characterization of Pu-Based Fuels

Assel Aitkaliyevaÿ(Univ of Florida), invited

Recent Research Activities on the Separation and Coordination Chemistry of Transuranium Elements at INET

Chao Xu, Jing Chenÿ(Tsinghua Univ)

Cesium Separation from Aqueous Streams by Calix-Mono-Crown-Arene

Marie Simonnet, Yuji Miyazaki, Shinichi Suzuki, Tohru Kobayashi, Hideaki Shiwaku, Resuke Doi, Tsuyoshi Yaitaÿ(JAEA)

A New Chemical Route of Nuclear Fuel (U,Pu)O2?ë by Advanced Thermal Denitration in the Presence of Organic Additive

Martin Leblanc (CEA/ICSM), Gilles Leturcq, El‚onore Welcommeÿ(CEA), Xavier Deschanelsÿ(ICSM), et Thibaud Delahayeÿ(CEA)

Preparation of a New Water Soluble Polynuclear Peroxide Complex of Pu(IV)

Matthieu Virot, Elodie Dalodiere, Thomas Dumasÿ(CEA), Oliver Dieste Blanco, Thierry Wissÿ(EC-JRC), Philippe Moisy, Sergey I. Nikitenkoÿ(CEA)

A New Look at the Chelation of Transplutonium Elements Through EXAFS Spectroscopy

Gauthier J-P. Deblonde, Corwin H. Boothÿ(LBNL), Morgan P. Kelley, Jing Su, Enrique R. Batista, Ping Yangÿ(LANL), Rebecca J. Abergelÿ(LBNL/ Univ of California, Berkeley)

Characterization of Isostructural An(IV) Complexes with Hetero-Donor Imine Ligands

Thomas Radoskeÿ(HZDR), Olaf Walterÿ(EC-JRC), Juliane M„rz, Peter Kaden, Roger Kloditz, Michael Patzschke, Thorsten Stumpf, Atsushi Ikeda-Ohnoÿ(HZDR)

Spectroscopic and Theoretical Studies on the Extracted Complexes of Am3+/Cm3+ by Purified Cyanex301: Multi-Species and Remarkable An-S Covalency

Ning Pu, Xihong Heÿ(Tsinghua Univ), Linfeng Raoÿ(LBNL), Chao Xu, Jing Chenÿ(Tsinghua Univ)

Investigations into Plutonium Oxidation

K. Graham, S. Hernandez, J. Joyce (LANL), W. Lakeÿ(AWE), A. Nelsonÿ(LLNL), Paul Roussel (AWE). T. Venhausÿ(LANL), invited

Plutonium and Uranium from Weapons Testing: Characterizing the Long-Lived Source Term in Fallout

K. S. Hollidayÿ(LLNL), J. M. Dierken, M. L. Monroeÿ(AFIT), M. A. Fitzgerald (LLNL/UNLV), N. E. Marks, R. C. Gostic, K. B. Knightÿ(LLNL), J. L. Pacold, W. W. Lukens, C. H. Booth, D. K. Shuhÿ(LBNL), G. R. Eppichÿ(LLNL), K. R. Czerwinskiÿ(UNLV), I. D. Hutcheonÿ(LLNL), J. W. McCloryÿ(AFIT), invited

Ultra-Trace Analysis with AMS of Actinides from Global Fallout and In-Situ Tracer Tests

Francesca Quinto, Horst Geckeisz (KIT), Karin Hain (VERA Lab), Urs M„der (Univ of Bern), Markus Plaschke (KIT), Thorsten Sh„fer (KIT/FSU). Peter Steier (VERA Lab), invited

Analysis of Plutonium Containing Particles by Resonant Laser-SNMS

Hauke Bosco, Manuel Raiwa, Martin Weiss (Leibniz Univ Hannover), Klaus Wendtÿ(Johannes Gutenberg-Univ Mainz), Clemens Waltherÿ(Leibniz Univ Hannover)

Plutonium Mass Content Accurate Determination by Controlled Potential Coulometry at CETAMA

S‚bastien Picart, Ygor Davrain, Marielle Crozet, Dani‚le Roudilÿ(CEA)

Research Progress of Plutonium Measurement in the Environment

Wen Sheng Ren, Wenjing Dong, Dong Zhao, Hexiang Huang, Wei Weiÿ(CAEP)

Oxide Conversion Kinetics Investigated by Spectroscopic Ellipsometry

L. N. Dinh, R. Gollott, C. K. Saw, J. Stanford, A. J. Nelson, P. G. Allen, C. Gardner, C. Hrousis, W. McLean IIÿ(LLNL)

Auger Electron Spectroscopy of Plutonium Metal and Oxides

David P. Moore, Thomas J. Venhaus, John J. Joyce, Daniel T. Olive, Sarah C. Hernandez, Kevin S. Grahamÿ(LANL)

Electron and Ion Beam Effects in the Quantitative Analysis of Pu Surface Chemistry

A. J. Nelson, S. B. Donald, D. J. Roberts, W. A. Tlabot, W. McLeanÿ(LLNL)

Adsorption, Dissociation, and Desorption of Water Molecules on the PuO2 Surface Studied by Ab Initio Molecular Dynamics Simulations

Cui Zhang, Yu Yang, Ping Zhangÿ(IAPCM)

Identification of Chlorine-Containing Gases in PuO2 Storage Containers

Daniel Rios, John M. Berg, Andrew J. Gaunt, Joshua E. Narlesky, Douglas K. Veirs, Laura A. Worlÿ(LANL)

Evaluating Covalency for Plutonium and the Other f-Elements

Stosh A. Kozimorÿ(LANL), Sharon E. Boneÿ(SLAC National Accelerator Lab), Samantha K. Cary, David L. Clark, Alex S. Ditter, Justin N. Crossÿ(LANL), Matthias W. Lobleÿ(Freudenberg Technology Innovation and Freudenberg Performance Materials), Andrew Kerridgeÿ(Lancaster Univ), Nikolas Kaltsoyannisÿ(The Univ of Manchester), Stefan G. Minasianÿ(LBNL), Veronika Mockoÿ(LANL), Henry S. La Pierreÿ(Georgia Tech), Angela C. Olson, Brian L. Scottÿ(LANL), S. Chantal E. Steiberÿ(California State Polytechnic Univ), Benjamin W. Stein, Jing Suÿ(LANL), David K. Shuhÿ(LBNL), Marianne P. Wilkerson, Ping Yangÿ(LANL)

Fingerprints of Electron Correlations in Various Phases of Plutonium: Electronic Properties of Pu19Os Simulating ?-Pu

Ladislav Havela, Silvie Maskova, Pavel Javorskyÿ(Charles Univ), Jindrich Kolorenc, Alexander Shickÿ(ASCR), Eric Colineau, Jean-Christophe Griveau, Rachel Eloirdi, Thomas Gouderÿ(EC-JRC), invited

New Aspects of Actinides (Th, U and Np) Chemistry in Oxo-Selenium System

Eike M. Langer, Evgeny V. Alekseev,ÿ(FzJ)

Np and Pu Electronic Structure Through Metal-Ligand Multiple Bonds

Andrew J. Gauntÿ(LANL), invited

Schiff Base Coordination Complexes with Pu(IV) and Ce(IV)

Bonnie E. Klamm, Matthew L. Marsh, Cory J. Windorff, David E. Hobart, Thomas E. Albrecht-Schmittÿ(Florida State Univ)

ë Back-Donation in AnIV Metallacycles (An=Th, Pa, U, Np, Pu)

Ivan A. Popov, Morgan P. Kelley, Enrique R. Batista, Ping Yangÿ(LANL)

Plutonium Chlorides: A Platform to Explore Assembly, Structure and Bonding

R. Gian Surbellaÿ(PNNL), Lucas C. Ducatiÿ(Univ of S?o Paulo), Jochen Autschbachÿ(Univ at Buffalo), Jon M. Schwantesÿ(PNNL), Christopher L. Cahillÿ(The George Washington Univ),

Formation and Migration Barrier Energies of Point Defects in ë-Pu and ë-Pu-Ga

Sarah C. Hernandez, Franz J. Freibert, Richard Hoagland, Blas P. Uberuaga, John M. Willsÿ(LANL), invited

Theoretical Analysis of the Properties of Pu(IV) and Pu (VI)

Paul S. Bagusÿ(UNT), Connie J. Nelinÿ(Consultant), invited

Exploring the Topology and Electronic Correlations in PuB4

Laurel E. Winter, Hongchul Choi, Wei Zhu, Samantha Cary, Zhoushen Huang, Ross D. McDonald, Veronika Mocko, Brian L. Scott, Paul H. Tobash, Joe D. Thompson, Stosh A. Kozimor, Eric D. Bauer, Jian-Xin Zhu, Filip Ronningÿ(LANL)

Environmental Chemistry of Plutonium

Horst Geckeisÿ(KIT), Mavrik Zavarinÿ(LLNL), Brit Salbu, Ole Chr. Lind, Lindis Skipperudÿ(NMBU), invited

Plutonium Oxidation and Corrosion with EXAFS

Alison L. Pugmireÿ(LANL), invited

Focused Ion Beam and Microanalysis of Uranium and Plutonium Materials for Nuclear Forensics

Brandon W. Chung, Scott B. Donald, David J. Roberts, William A. Talbot, Denise D. Ashley, Nick E. Teslich, Art J. Nelsonÿ(LLNL), invited

Detection and Analysis of Molecular Speciation for Assessing Chemical Behavior

Marianne P. Wilkersonÿ(LANL), John Bargarÿ(SLAC National Accelerator Lab), David L. Clarkÿ(LANL), Steven D. Conradsonÿ(SLAC National Accelerator Lab), Alexander S. Ditter, John J. Joyce, Stosh A. Kozimor, Daniel T. Olive, Alison L. Pugmire, Amy R. Ross, Brian L. Scott, Jared T. Stritzinger, Gregoy L. Wagner, Angelique D. Wallÿ(LANL), Samuel Webbÿ(SLAC National Accelerator Lab), invited

Process Monitoring for Plutonium Content of U-TRU Alloys

B. R. Westphal, S. X. X. Li, D. A. Sell, J. C. Westphalÿ(INL)

On-Line Monitoring of Pu: Speciation Characterization, Spectroelectrochemical Analysis, and Real-Time Quantification for CoDCon Process

Amanda M. Lines, Susan R. Adami, Sergey I. Sinkov, Amanda J. Casella, Gabriel B. Hall, Jarrod R. Allred, Gregg J. Lumetta, Samuel A. Bryanÿ(PNNL)

Role of Carbon Oxides on Gas Formation Through Radiolysis Process in Nuclear Storages

L. Berlu, L. Venault, J. Vermeulenÿ(CEA)

Development of Rapid Semi-Empirical Quantum Models for Plutonium Surface Corrosion

Nir Goldmanÿ(LLNL/Univ of California, Davis), B lint Aradiÿ(Univ of Bremen), Rebecca K. Lindsey, Laurence E. Friedÿ(LLNL)

PhotoElectron Spectroscopy Study of H2O Adsorption and Dissociation on Oxidized Pu Metal

L. Jolly, B. Ravat, B. Oudot, F. Delaunayÿ(CEA)

A Catalytic Approach to Thermal Recombination of H2 and O2 over the Surface of PuO2 and PuO2 Surrogates

Thomas A. Donocliftÿ(Univ of Manchester), Robin M. Orr, Howard E. Simsÿ(NNL), Simon M. Pimblottÿ(INL)

The Initial Kinetics and Corrosion Morphology for Reaction of Pu2O3-Coated Plutonium with Low Pressure Hydrogen

Gan Li, Haibo Li, Wenhua Luoÿ(CAEP)

Investigating the Dependence of Hydrogen Generation from High-Purity Plutonium Oxides on Radiolysis

J. E. Narlesky, D. K. Veirs, M. A. Stroud, J. M. Berg, J. Kulis, E. L. Romero, D. Rios, K. V. Wilson, L. A. Worlÿ(LANL)

Pu Electronic Structure and Speciation Applying Pu M5 Edge HR-XANES and RIXS

Tonya Vitovaÿ(KIT), invited

Recent Developments at the Interface of Quantum Matter and Plutonium Science

John L. Sarraoÿ(LANL)

Actinide Chemistry and Selectivity Revealed Through In Vivo Contamination and Decorporation Experiments

Rebecca J. Abergelÿ(Univ of California Berkeley/LBNL), Gauthier J.-P.Deblondeÿ(LNL), Dahlia D. An, Stacey Gaunyÿ(LBNL), invited

Covalency of Actinides (AnIII, AnIV) with Chelating Agents Across the Actinide Series (An = Th to Es)

Ping Yang, Enrique Batista, Morgan Kelley, Jing Suÿ(LANL), invited

Inner and Outer Sphere Plutonium(IV) Coordination with Amide and Carbamide Ligands

Dominique Guillaumontÿ(CEA), El‚onor Acher, Cl‚mence Berger, Thomas Dirks, Nathalie Boubals, Thomas Dumas, Christelle Tamain, C‚cile Marie, Laurence Berthonÿ(CEA)

Complexation of Pu(VI) with N,N, N?, N? (TMOGA) and Related Ligands: Optical Properties and Complexation Modes

Lei Xu, Ning Pu, Chao Xu, Jing Chenÿ(Tsinghua Univ)

Structural Investigation of Plutonium Oxalate Species over Time and Comparison of Their Oxide Products

Jordan F. Corbey, Sergey I. Sinkov, Lucas E. Sweet, Calvin H, Delegard, Amanda J. Casella, David E. Meierÿ(PNNL)

Thermoelectric Properties of Strongly Correlated Compounds AnPd? (An = Pu, Np)

K. Gofrykÿ(INL), J.-C. Griveau, E. Colineauÿ(DG Joint Research Center), K. A. McEwenÿ(Univ College, London), W. J. Nellisÿ(Harvard Univ), J. L. Smithÿ(LANL)

Magnetostriction of Ga-Stablized d-Pu

Neil Harrison, Jonathon B. Betts, Marcelo Jaime, Paul Tobashÿ(LANL), invited

Unifying DFT+U Approach for Plutonium Modeling, Boris Dorado

Bernard Amadon, Fran‡ois Bottin, Johann Bouchetÿ(CEA)

Free-Energy Calculations for Plutonium

Per S”derlind, Babak Sadighÿ(LLNL)

Temperature Dependent and Real Time Studies of Elastic Moduli of ë-239Pu and Alloys

Boris Maiorov, Jonathan B. Betts, Fedor F. Balakirev, Albert Miglioriÿ(LANL)