Andrew G Stack

Andrew G Stack

Acting Division Director, Chemical Sciences; Group Leader, Geochemistry & Interfacial Sciences

Bio

Andrew G. Stack focuses on understanding how minerals react with their surrounding solutions. He is the PI of the Basic Energy Sciences Geosciences project at ORNL, entitled "Atomic- to Pore-Scale Geochemical Processes."

Awards

Outstanding Contributions to Geosciences Research Award (2014). U.S. DOE Basic Energy Sciences, Geosciences Program

Award for One of Top 14 Technical Presentations (out of > 300), Twelfth Annual Conference on Carbon Capture, Utilization & Sequestration. Pittsburgh, PA, May 13-16, 2013

Profile featured at ORNL web-site: Part I, Part II and STEM Magazine (2015).

Profile featured in American Chemical Society’s College-To-Career web-site.

Finalist for Asylum Research AFM Image Contest

Projects

ERKCC72 - Atomic- to Pore-Scale Geochemical Processes (BES Geosciences)
ERKCC67 - Nanoscale Control of Geologic CO2 (Energy Frontier Research Center)
CEED500 - Critical Materials Institute (Energy Innovation Hub)
ERKCG08 - Interfacial Dynamics in Radioactive Environments and Materials (Energy Frontier Research Center)

Publications

  1. Bracco, J. N.; Lee, S. S.; Stubbs, J. E.; Eng, P. J.; Heberling, F.; Fenter, P.; Stack, A. G. (2017)  Hydration Structure of the Barite (001)-Water Interface: Comparison of X-ray Reflectivity with Molecular Dynamics Simulations.  J. Phys. Chem. C  122, 12236-12248 DOI: 10.1021/acs.jpcc.7b02943

  2. De La Pierre, M.; Raiteri, A. G.; Stack, A. G.; Gale, J. D. (2017) Uncovering the atomistic mechanism for calcite step growth.  Angew. Chem. Int’l. Ed. 56, 8464-8467 DOI: 10.1002/ange.201701701

  3. Srinivasan, S. G.; Shivaramaiah, R.; Kent, P. R. C.; Stack, A. G., Riman, R. E.; Anderko, A.; Navrotsky, A.; Bryantsev, V. S. (2017) A Comparative Study of Surface Energies and Water Adsorption on Ce-Bastnästite, La-Bastnästite, and Calcite via Density Functional Theory and Water Adsorption Calorimetry.  Phys. Chem. Chem. Phys.  19(11), 7820-7832.  DOI: 10.1039/C7CP00811B

  4. Wang, H.-W.; Daemen, L. L.; Cheshire, M. C.; Kidder, M. K.; Stack, A. G.; Allard, L. F.; Neuefeind, J.; Olds, D.; Liu, J.; Page, K. (2017) Synthesis and structure of synthetically pure and deuterated amorphous (basic) calcium carbonates.  Chem. Comm. 53, 2942-2945.  DOI: 10.1039/C6CC08848A

  5. Cheshire, M. C.; Stack, A. G.; Carey, J. W.; Anovitz, L. M.; Prisk, T. R.; Ilavsky, J. (2017) Wellbore Cement Porosity Evolution in Response to Mineral Alteration During CO2 Flooding. Environ. Sci. Technol. 51, 692-698 DOI: 10.1021/acs.est.6b03290

  6. Stack, A. G.; Borreguero, J. M.; Prisk, T. R.; Mamontov, E.; Wang, H.-W.; Vlcek, L.; Wesolowski, D. J. (2016) Precise determination of water exchanges on a mineral surface.  Phys. Chem. Chem. Phys. 18, 28817-28828 DOI: 10.1039/C6CP05836A

  7. DiStefano, V. H.; McFarlane, J.; Anovitz, L. M.; Stack, A. G.; Gordon, A. D.; Littrell, K. C.; Chipera, S. J.; Hunt, R. D.; Lewis, S. A.; Hale, R. E.; Perfect, E. (2016) Extraction of organic compounds from representative shales and the effect on porosity.  J. Nat. Gas. Sci. Engr., 35, 646-660 DOI: 10.1016/j.jngse.2016.08.064

  8. Godinho, J. R. A.; Gehrke, K. M.; Stack, A. G.; Lee, P. D. (2016)  The dynamic nature of crystal growth in pores.  Sci. Rep., 6:33086 DOI: 10.1038/srep33086 

  9. Srinivasan, S. G.; Shivaramaiah, R.; Kent, P. R. C.; Stack, A. G., Navrotsky, A.; Riman, R. E. Anderko, A.; Bryantsev, V. S. (2016) Crystal Structures, Surface Stability and Water Adsorption Energies of La-Bastnäsite via Density Functional Theory and Experimental Studies.  J. Phys. Chem. C, 120, 2811-2829, DOI: 10.1021/acs.jpcc.6b04747

  10. Dai, C.; Stack, A. G.; Koishi, A.; Fernandez-Martinez, A.; Lee, S. S.; Hu, Y. (2016) Heterogeneous Nucleation and Growth of Barium Sulfate at Organic-Water Interfaces: Interplay between Surface Hydrophobicity and Ba2+ Adsorption.  Langmuir 32, 5277-5284 DOI: 10.1021/acs.langmuir.6b01036 

  11. Zachara, J.; Brantley, S.; Chorover, J.; Ewing, R.; Kerisit, S.; Liu, C.; Perfect, E.; Rother, G.; Stack, A. G. (2016)  Internal Domains of Natural Porous Media Revealed: Critical Locations for Transport, Storage, and Chemical Reaction.  Environ. Sci. Technol. 50, 2811-2829 DOI: 10.1021/acs.est.5b05015

  12. Stack, A. G. (2015) Precipitation in Pores:  A Geochemical Frontier.  Rev. Mineral. Geochem.  80, 165-190 DOI: 10.2138/rmg.2015.80.05 (#1 or #2 most highly read RiMG article Sept., 2015 - Dec., 2015).

  13. Godinho, J. R. A.; Stack, A. G. (2015) Growth kinetics and morphology of barite crystals derived from face-specific growth rates.  Cryst. Growth Des. 15, 2064-2071 DOI: 10.1021/cg501507p

  14. Stack, A. G.; Kent, P. R. C. (2015) Geochemical Reaction Mechanism Discovery from Molecular Simulation.  Environ. Chem. 12, 20-32.  DOI: 10.1071/EN14045

  15. Hatzell, M. C.; Raju, M.; Watson, V. J.; Stack, A. G.; van Duin, A. C. T.; Logan, B. E. (2014) Effect of Strong Acid Functional Groups on Electrode Rise Potential in Capacitive Mixing by Double Layer Expansion.  Environ. Sci. Technol. 48, 14041-14048.  DOI: 10.1021/es5043782

Facilities Used

SNS, HFIR, OIC, NERSC, APS, ALS, CNMS, etc.