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Sebastien Kerisit

Institution
Pacific Northwest National Laboratory
ORCID
ORCID logo 0000-0002-7470-9181

Projects

Mechanistic Understanding of Glass-Water Reaction

Lead Institution
Oak Ridge National Laboratory
Principal Investigator
Eric Pierce
Project type
Large-Scale EMSL Research
The construction of valid rate models, such as the Transition State Theory Kinetic Rate Equation, to describe the dissolution of rock-forming minerals, the evolution of soils, and the corrosion…

Probing the Mesoscale Structure at Complex Electrode-Electrolyte Interfaces

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Vijayakumar Murugesan
Project type
Large-Scale EMSL Research
Molecular interactions at electrode-electrolyte interface are pivotal to the modern energy storage/conversion and microelectronic devices. However, our predictive understanding about the impact of…

Multi-Resolution Structure and Reactivity of Kinetically
Roughened Oxide Surfaces: Nanometric Scaling Behavior
and Molecular-Scale Controls (Rosso BES,PNNL Scope #43862. Rosso BES)

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Kevin Rosso
Project type
Exploratory Research
Surfaces of Fe oxides, Mn oxides and Si oxides (quartz) minerals in natural settings exhibit a significant degree of morphological heterogeneity on scales from 1-1000 nm. Surface roughness and its…

Reactivity of Soil Organic Carbon with Minerals under Low Water Conditions

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
John Loring
Project type
Exploratory Research
The manner in which soil organic carbon (SOC) binds to and reacts with mineral surfaces affects SOC (bio)degradation, SOC mobility, soil wettability, mineral dissolution, and the bioavailability of…

Thrust Area #2: Molecular modeling of electron transfer in Fe(III) oxides

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Kevin Rosso
Project type
Grand Challenge
Molecular modeling and simulation studies in combination with electron transfer theory calculations will be carried out to characterize the cytochrome mediated electron transfer process across the…

Probing the Mesoscale Structure of Complex Electrode-Electrolyte Interfaces

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Vijayakumar Murugesan
Project type
Large-Scale EMSL Research
Molecular interactions at electrode-electrolyte interface are pivotal to the modern energy storage/conversion and microelectronic devices. However, our predictive level understanding about the…

Oxide Surface Structure and Acidity

Lead Institution
Brigham Young University
Principal Investigator
Barry Bickmore
Project type
Large-Scale EMSL Research
If we are to understand interfacial geochemical reactions on a molecular scale and apply the insights we gain to field-scale modeling, we must find ways to integrate the results of molecular-scale…

Molecular-scale controls on heteroepitaxy at mineral-water interfaces

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Sebastien Kerisit
Project type
Large-Scale EMSL Research
The objective of the proposed research is to elucidate and quantify the molecular-scale mechanisms of heteroepitaxial nucleation and growth at mineral-water interfaces. Despite several examples of…

Reduction of U6+ by magnetite and the rate of electron transfer

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Frances Skomurski
Project type
Large-Scale EMSL Research
The reductive adsorption of uranium(VI) by ferrous iron in magnetite (Fe3O4) is an important process for reducing the mobility of contaminants in groundwater and for sequestering radionuclides in the…

Interfacial Investigations of Nuclear Waste Forms

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Joseph Ryan
Project type
Exploratory Research
EMSL resources are requested to enable an international team of collaborators to solve fundamental problems in interfacial glass corrosion chemistry. With the recent dismissal of Yucca Mountain as…

Mineral Reactivity and Transformations in Adsorbed Water Films

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
John Loring
Project type
Large-Scale EMSL Research
Transformations of minerals covered in thin films of adsorbed H2O are ubiquitous in nature and occur under unique chemical and physical constraints. But in contrast to bulk aqueous systems,…

Influence of Adsorbed Organic Acids on Soil Mineral Wettability

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
John Loring
Project type
Large-Scale EMSL Research
Soil wettability is dictated by the extent to which hydrophilic mineral surfaces are covered by hydrophobic soil organic carbon (SOC) from bacterial decomposition, decaying plant matter, or root…

Advances in Understanding Electron Transfer Kinetics at Environmental Interfaces

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Kevin Rosso
Project type
Large-Scale EMSL Research
This EMSL user proposal requests a continuation of EMSL access for a BER funded Environmental Molecular Sciences Institute (EMSI) project led by Dr. Rosso at PNNL. This project constitutes the PNNL…

Microscopic Mass Transfer of U and Tc in Subsurface Sediments

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Chongxuan Liu
Project type
Exploratory Research
This project will investigate microscopic mass transfer process and its influence on and coupling with geochemical and biogeochemical reactions in subsurface sediments. The research will focus on…

Building a Predictive Understanding of Particle-Based Mineral Growth

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
James De Yoreo
Project type
Large-Scale EMSL Research
Traditional models of mineral formation through monomer-by-monomer addition have been challenged by recent evidence for crystallization through the addition of "particles," ranging from…