Andrew G Stack Group Leader, Geochemistry & Interfacial Sciences Contact 865.574.8450 | STACKAG@ORNL.GOV All Publications Wellbore Cement Porosity Evolution in Response to Mineral Alteration during CO2 Flooding... Carbonation of MgO Single Crystals: Implications for Direct Air Capture of CO2 Inhibition of Reaction Layer Formation on MgO(100) by Doping with Trace Amounts of Iron Influence of Dissolved Iron in Solution on MgO Hydroxylation and Carbonation... Iron Impurity Impairs the CO2 Capture Performance of MgO: Insights from Microscopy and Machine Learning Molecular Dynamics Variation in Cation Adsorption Mechanism Controlled by Chemical and Structural Heterogeneities at the Quartz (101)–Water Interface Impact of magnetic and electric fields on the free energy to form a calcium carbonate ion-pair Ion Correlations Decrease Particle Aggregation Rate by Increasing Hydration Forces at Interfaces... Variations in proton transfer pathways and energetics on pristine and defect-rich quartz surfaces in water: Insights into the... Testing the hypothesis that solvent exchange limits the rates of calcite growth and dissolution Effect of Nucleation Heterogeneity on Mineral Precipitation in Confined Environments Real-Time Atomic-Scale Structural Analysis Resolves the Amorphous to Crystalline CaCO3 Mechanism Controversy Molecular Mechanisms of Sorbed Ion Effects during Boehmite Particle Aggregation... Multilevel atomic structural model for interstratified opal materials Reaction Layer Formation on MgO in the Presence of Humidity Armoring of MgO by a Passivation Layer Impedes Direct Air Capture of CO2 Structure of the Bastnäsite (001) Surface by Crystal Truncation Rod X-ray Diffraction and Ab Initio Molecular Dynamics: Implications for Separations of a Rare Earth Ore Mineral Predicting Outcomes of Nanoparticle Attachment by Connecting Atomistic, Interfacial, Particle, and Aggregate Scales The evolution of solvation symmetry and composition in Zn halide aqueous solutions from dilute to extreme concentrations The evolution of solvation symmetry and composition in Zn halide aqueous solutions from dilute to extreme concentrations Sorption of Arsenate, Selenate, and Molybdate on the Barite (001) Surface Assessing an aqueous flow cell designed for in situ crystal growth under X-ray nanotomography and effects of radiolysis products Grain boundary widening controls siderite (FeCO3) replacement of limestone (CaCO3) Solution Structure and Hydration Forces between Mica and Hydrophilic Versus Hydrophobic Surfaces Sealing fractures to increase underground storage security: Lessons learned from a multiscale multimodal imaging study of a syntaxial vein in a mudrock Pagination Current page 1 Page 2 Page 3 … Next page ›â¶Äº Last page Last » Key Links Curriculum Vitae Organizations Physical Sciences Directorate Chemical Sciences Division Chemical Transformations Section Geochemistry and Interfacial Science Group
