Andrew G Stack Group Leader, Geochemistry & Interfacial Sciences Contact stackag@ornl.gov | 865.574.8450 All Publications Decoding Oxyanion Aqueous Solvation Structure: A Potassium Nitrate Example at Saturation... Unraveling the Effects of Strontium Incorporation on Barite Growth—In Situ and Ex Situ Observations Using Multiscale Chemic... In Situ 27al Nmr Spectroscopy of Aluminate In Sodium Hydroxide Solutions Above and Below Saturation with Respect to Gibbsite Geochemical Evidence for Rare-Earth Element Mobilization during Kaolin Diagenesis... Free-Energy Landscape of the Dissolution of Gibbsite at High pH... Decoding Oxyanion Aqueous Solvation Structure: A Potassium Nitrate Example at Saturation Investigating calcite growth rates using a quartz crystal microbalance with dissipation (QCM-D)... Hydration Structure of the Barite (001)-Water Interface: Comparison of X-ray Reflectivity with Molecular Dynamics Simulations... Uncovering the atomistic mechanism for calcite step growth... Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates... A comparative study of surface energies and water adsorption on Ce-bastnäsite, La-bastnäsite, and calcite via density funct... Wellbore Cement Porosity Evolution in Response to Mineral Alteration during CO2 Flooding... Precise Determination of Water Exchanges on a Mineral Surface... Extraction of Organic Compounds from Representative Shales and the Effect on Porosity... The dynamic nature of crystal growth in pores... Crystal Structures, Surface Stability and Water Adsorption Energies of La-Bastnäsite via Density Functional Theory and Exper... Heterogeneous Nucleation and Growth of Barium Sulfate at Organic-Water Interfaces: Interplay between Surface Hydrophobicity a... Internal Domains of Natural Porous Media Revealed: Critical Locations for Transport, Storage, and Chemical Reaction... Internal Domains of Porous Media Revealed: Critical Locations for Transport, Storage, and Chemical Reaction... Crystal Structures, Surface Stability, and Water Adsorption Energies of La-Bastnäsite via Density Functional Theory and Experimental Studies Wellbore Cement Porosity Evolution in Response to Mineral Alteration during CO<sub>2</sub> Flooding Heterogeneous Nucleation and Growth of Barium Sulfate at Organic–Water Interfaces: Interplay between Surface Hydrophobicity and Ba<sup>2+</sup> Adsorption Precise determination of water exchanges on a mineral surface Precipitation in Pores: A Geochemical Frontier... Growth Kinetics and Morphology of Barite Crystals Derived from Face-Specific Growth Rates... Pagination First page « First Previous page ‹‹ … Page 2 Current page 3 Page 4 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Google Scholar Organizations Physical Sciences Directorate Chemical Sciences Division Chemical Transformations Section Geochemistry and Interfacial Science Group